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Start / Ask the Naked Scientists
Ask the Naked Scientists
H
715 avsnitt • Längd: 25 min • Månadsvis
Om podden
How many organs could you donate and remain alive? How many planet Earths could fit inside the Sun? How high is a giraffe’s blood pressure? Why is the sea blue? To find out, Ask The Naked Scientists!
The podcast Ask the Naked Scientists is created by Dr Chris Smith. The podcast and the artwork on this page are embedded on this page using the public podcast feed (RSS).
Avsnitt
Has it been a strange year for weather?
15 november 2024 |
19 min
Dr Chris Smith answers questions from the listeners of CapeTalk. Including, why are pregnant women told to take folic acid? What causes ears to itch? Why is vomit yellow? Is there a relationship between organs of the body and areas of the skin? How effective is carbon dating? Like this podcast? Please help us by supporting the Naked Scientists
Why do athletes spit on the ground?
8 november 2024 |
23 min
Dr Chris and Clarence take on another selection of topics from across the scientific spectrum: Who were the victims of the Mount Vesuvius eruption? How does one get rid of ringworm? What are the effects of a low heart rate? If our internal body temperature is 37 degrees, why do we feel warm when it's 35 degrees outside? What is an eating disorder? Can an element in the periodic table be changed into another? Like this podcast? Please help us by supporting the Naked Scientists
What should you do if a lift cable snaps?
1 november 2024 |
22 min
Do animals lower their mating standards when drunk? Why do different farts make different noises? What should you do if your lift cable snaps? Were there two Earths at one point? Where do mosquitoes go during the day? Is tinnitus always a ringing sound? Is Teflon safe to use? Is there such thing as a universal frame of reference? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Do other animals see colour?
25 oktober 2024 |
19 min
In this episode of Ask! The Naked Scientist, Dr Chris explains how our eyesight changes as we age, what the difference is between a brown and white egg shell, and the growing threat of antimicrobial resistance... Like this podcast? Please help us by supporting the Naked Scientists
Are ambidextrous people more intelligent?
18 oktober 2024 |
17 min
Listener science questions from South Africa answered by Dr Chris this time include: Do you urinate more liquid than the alcohol you consume? Why do dark skinned people get pigmentation underneath their armpits and between their thighs? What are the latest developments in helping restore vision to blind people? Like this podcast? Please help us by supporting the Naked Scientists
Why do we have car headlights on during the day?
11 oktober 2024 |
19 min
Dr Chris answers listener questions. Including, is air made up of the same proportion of stuff everywhere on Earth? What is earwax? Where is it produced and for what reason? How does time work at the North Pole? Why do strong perfumes cause sinus congestion? Like this podcast? Please help us by supporting the Naked Scientists
What is the best way to get rid of hiccups?
4 oktober 2024 |
20 min
Can you bring someone back from the dead? Can a special diet help flexibility in older people? What is the best way to get rid of hiccups? Are hovercrafts safe? Why is yawning contagious? Does hot water sound different to cold water? Are there tardigrades on the ISS? Dr Chris Smith and Zain Johnson have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why do fairground rides get worse as we age?
27 september 2024 |
29 min
In a break from the usual format, the producers of The Naked Scientists take over from Clarence Ford to ask Dr Chris Smith some of your burning scientific questions. How does intuition work? Can you transplant a pancreas? Could we mine our second Moon? Why do lights flicker in our peripheral vision? Can one testicle still let you reproduce? Why do we dislike fairground rides as we age? Do we know what causes tinnitus? All will be revealed... Like this podcast? Please help us by supporting the Naked Scientists
Should you wash every day?
20 september 2024 |
16 min
Should you wash every day? Does washing your clothes damage them? Should you have a washcloth just for your face? Why does moving air make the temperature go down? Dr Chris Smith and Relebojile Mabotja have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Are more male babies born after a war?
13 september 2024 |
17 min
Why do some people struggle to read? Are more male babies born after a war? Are some people allergic to hot skin? Why do some men's breasts swell up? Why do we use different frequencies for different broadcasts? Why do traffic lights go red when you're in a hurry? Dr Chris Smith and Relebogile Mabotja have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Can someone's heart keep beating after death?
6 september 2024 |
15 min
Why do some people grind their teeth? Can someone's heart keeping beating when they're dead? How does the brain interpret words? How do we know how long something has been dead for? Dr Chris Smith and Relebojile Mabotja have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
How do bones heal themselves?
30 augusti 2024 |
18 min
How much do wildfires contribute to carbon release? How do bones heal themselves? Why do weeds seem to grow faster than other plants? Why do some animals float, but others sink? Why do ducks like spinach? How did we evolve different blood types? Why do some people's temperature go down when they're feeling ill? How many of our metals come from space? Why do snails come out in the rain? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
What should we know about monkeypox?
23 augusti 2024 |
22 min
What is monkeypox, and how can we tackle it? Why can't you walk through walls if atoms are mostly empty space? If X-Rays are harmful, why are microwaves and infrared not harmful? What are the benefits of the Large Hadrin Collider? Does taking Vitamin C harm your immune response? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Will we ever run out of helium?
16 augusti 2024 |
18 min
Will we ever run out of helium? Will any planets in the solar system get knocked out of orbit? What causes ovulation pain? Is it wise to pop a zit? Why are two astronauts stuck in space? Have we re-invented lost inventions? Dr Chris Smith and Sara-Jayne Makwala King have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
How many cigarettes does it take to get hooked?
12 augusti 2024 |
17 min
This week, Dr Chris and Relebongile find out how dietary salt affects the body, how loneliness and loss of a loved one can cause ill-health, what a blind person "sees" in their mind's eye, how broken fingers heal, how many cigarettes does it take to get hooked, and why does alcohol withdrawal cause shaking and tremors... Like this podcast? Please help us by supporting the Naked Scientists
Why do athletes perform better on the day?
2 augusti 2024 |
15 min
Questions for Dr Chris Smith on this week's Ask! include: What are the health benefits of exercise? How do you explain deja vu? Can you be in two places at once? What factors influence the weather? Like this podcast? Please help us by supporting the Naked Scientists
Do teabags carry microplastics?
26 juli 2024 |
20 min
Dr Chris answers a wide range of listener science questions. What is entropy and how does it reconcile with equilibrium? What happens when they put dogs to sleep? Why can I read words when the vowels are removed? How do hair implants work? How does a bird find worms? Can birds see their own tails? Why do I cry when I have a bad cold? Like this podcast? Please help us by supporting the Naked Scientists
Why can't other apes grow long head hair?
19 juli 2024 |
20 min
Why does your washing sometimes smell bad? What is the difference between forecast temperature and 'real feel'? Why can't other apes grow long head hair? What is the difference between a sprinter and a marathon runner? Why do Greenland sharks live so long? Can parrots see themselves in the mirror? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Are we overprotective of our children?
12 juli 2024 |
19 min
Dr Chris answers listener submitted questions including: would it be possible to slingshot continuously around the Earth and Mars? When does our consciousness 'switch on?' How worried should we be if we're outside during a thunderstorm? Is 0 positive or negative? What maintains our body temperature? Like this podcast? Please help us by supporting the Naked Scientists
Why can we only recycle some types of plastic?
5 juli 2024 |
19 min
Do women suffer from flatulence, and what affects your level of flatulence? Does hitting someone on the head actually knock them out? Is being a psychopath down to nature or nurture? Why does the weather stay warm when the seasons shift? Why can we only recycle some types of plastic? Can a swollen heart be reduced in size? Can nuclear rods power spaceships? Can mattresses and pillows reduce snoring? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
What happens to the body in extreme cold?
28 juni 2024 |
20 min
Does laying on your left side clean your organs? Are faces the only difference that different populations have, and why do we notice facial differences? What happens to the body when your body drops drastically? How does the body react to extreme trauma? Why do we get blemishes on our skin? Could you transplant muscles around the body? How do you seek help after a suspected rabies bite? Dr Chris Smith and Krystal Orderson have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Would an organ donor's DNA be in your body?
21 juni 2024 |
21 min
What causes monkeypox? Would an organ donor's DNA be in your body? Why does alcohol abate the symptoms of a hangover? Can you get bird flu from bird poo? Why do birds bob their head when they walk? Where does the word 'humour' come from? Is there a scientific basis on the laws of attraction? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why is the longest day not the hottest day?
14 juni 2024 |
21 min
Dr Chris Smith answers listener science questions; what factors impact the onset of glycosuria? Might we have contaminated Mars with organisms from Earth? Why did the universe form the way that it did? Like this podcast? Please help us by supporting the Naked Scientists
Why don't our lungs fill up with dust?
7 juni 2024 |
20 min
Are skin tags an indication of diabetes? Why don't cattle flee from fire? Do apples stimulate your appetite? Why are some cats great at hunting, and others not? Why doesn't dust fill up our lungs? What is the sediment at the bottom of frozen wine? When did our tail become a coccyx? What causes ringworm? What drives the magnetic field? Dr Chris Smith and Krystal Orderson have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Are some people more prone to addiction?
31 maj 2024 |
15 min
Dr Chris Smith chats with Relebogile Mabotja and her listeners about their science questions. Today: do older people yawn less frequently? And should you avoid zero sugar fizzy drinks whilst pregnant? Like this podcast? Please help us by supporting the Naked Scientists
How were the pyramids built?
24 maj 2024 |
15 min
This time on Ask!, Dr Chris explains how tree rings helped scientists confirm last summer was the hottest for 2000 years. Also, how were the pyramids built? And where are we with understanding and treating Alzheimer's disease? Like this podcast? Please help us by supporting the Naked Scientists
Is there a cure for OCD?
17 maj 2024 |
24 min
Chris Smith covers another cast of interesting queries submitted by listeners. They include: Why do we have accents? Is there such a thing as the "devil's hour?" What is acid reflux? Is there such a thing as race? If you had unfettered access to the James Webb Space Telescope, what would you point it at? Like this podcast? Please help us by supporting the Naked Scientists
Do fish drink water?
10 maj 2024 |
21 min
Dr Chris takes on listener questions: how long can someone survive without food and water? Why are some of us more prone to hangovers? Do gorillas drink water? Does spicy food cause vivid dreams? What causes insomnia? Like this podcast? Please help us by supporting the Naked Scientists
Is the '10,000 hours rule' accurate?
3 maj 2024 |
17 min
In this week's selection of science questions, Dr Chris explains the impact of sweetners on the body, what happens when we suffer a stroke, and where the other half of the moon disappears to... Like this podcast? Please help us by supporting the Naked Scientists
How does cloud seeding work?
26 april 2024 |
14 min
Why are viruses so contagious? Are there any treatments for macular degeneration? How are we treating depression with psychedelics? Why do people lose their sense of smell? Is cloud seeding a real thing? Dr Chris Smith and Relebogile Mabotja have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why do we dream the things we dream?
19 april 2024 |
20 min
Is our perfect total eclipse just a total coincidence? Where do our dreams come from? Can you launch a missile without it being picked up by satellites? Which animals have the best memory? Do humans have any instincts? Can gravity be 1g on a planet with a greater mass than Earth? Where could we go when Earth becomes uninhabitable? What was there before the beginning of the Universe? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Are lactose intolerant mothers allergic to their own milk?
12 april 2024 |
21 min
Why did the eclipse move west to east across the Earth? Why are we so interested in nuclear fusion? Could we ever breathe underwater? What is the opposite force to gravity? Would alcohol sterilise a drowning fly? What the difference between cancer and cancerous growths? Are lactose introlerant mothers allergic to their own milk? Like this podcast? Please help us by supporting the Naked Scientists
Do ants count their steps?
5 april 2024 |
22 min
Do animals ever get lost? Do ants count their steps? Could we recreate the greenhouse effect on Mars? Why can you hear some aircraft, but not others? Could we mine the Moon? Is it ever too late to stop somking? Do people with autism have a different brain structure? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Do farmers produce double yolk eggs on purpose?
22 mars 2024 |
18 min
Dr Chris answers more listener submitted questions including, Why is South Africa on the bottom of the world map? Why are countries interested in landing on the moon again? How do undersea cables work? What is the Square Kilometre Array? Why are my car keys better at unlocking my car than my TV remote is at controlling my TV? Like this podcast? Please help us by supporting the Naked Scientists
Why do we want to scratch our wounds?
15 mars 2024 |
20 min
Chris Smith answers science questions from the public. Does the rate of nail growth differ between men and women? What are the advantages of a nose swab over a mouth swab? What could improve the connectivity of my remote? Accounting for the rotation of Earth, does a plane flying from London to Cape Town fly in a straight line? How does a colour printer work? Like this podcast? Please help us by supporting the Naked Scientists
Could popping a pimple on your face kill you?
8 mars 2024 |
21 min
Do statins affect your Vitamin D production? Why do we have leap years? Which came first, the chicken or the egg? Could we live on the moon of Titan? Did COVID come from a lab? What aspects of science can we still now answer? Could popping a pimple on your face kill you? How does wireless charging work? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
How much does the internet weigh?
1 mars 2024 |
22 min
Chris Smith answers another sample of enquiries from across the scientific spectrum: What might have caused my beetle infestation? Why do so many cultures describe an afterlife? What's the medical explanation for 'cracking the seal?' How do lions identify cubs that aren't theirs? If the Earth stopped rotating, would we feel it? Will hydrogen combustion engines be efficient? Like this podcast? Please help us by supporting the Naked Scientists
Can you die of fright?
23 februari 2024 |
15 min
What causes the noise in a lightning strike? How do astronauts' bodies change after a long time in space? Can you die of fright? Are we living in the past? Why don't insects get hurt when they fall? Dr Chris Smith and Relebogile Mabotja have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Does your life flash before your eyes when you die?
16 februari 2024 |
18 min
Why do birds stand on one leg? Which animals can we eat, and which can we not? Does your life flash before your eyes when you die? Does a plug's wiring orientation matter? Why does hearing water make you need the toilet? Does anything travel alongside the ISS? Dr Chris Smith and Relebogile Mabotja have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
How much rainfall becomes groundwater?
9 februari 2024 |
16 min
Dr Chris Smith answers listener questions including, how can we communicate science better? How much distance do we travel through space each second? Why might I feel stomach pain when I'm hungry and I take a cold drink? What causes people to feel sleepy when they're near a pregnant woman? Why do we enter planes on the left rather than the right? Like this podcast? Please help us by supporting the Naked Scientists
How does the Sun transfer heat to the Earth?
2 februari 2024 |
15 min
Chris Smith takes on listener questions, including: How far out to sea do seagulls fly? How is the malaria vaccine rollout going? Why does hot weather make your muscles more tired? What is the hottest temperature humans can survive? How do vultures track their lunch? How do some people retain more information? Like this podcast? Please help us by supporting the Naked Scientists
What is ultra processed food?
26 januari 2024 |
18 min
Chris Smith takes on listener submitted questions including, why do people disagree so much on what temperature to set the heating? Where do swallows and swifts go in the winter? Is it true that parrots don't have taste buds? And, what is dry ice? Like this podcast? Please help us by supporting the Naked Scientists
Do mosquitoes prefer certain people?
19 januari 2024 |
19 min
Why might chilli cause an upset stomach? How does a boomerang work? What's the difference between 50Hz and 60Hz of energy? Why does Saturn have a hexagon? Are stars moving away from us? How do we know how large underground oil deposits are? Why aren't cameras as good as out eyes? Do mosquitoes prefer certain people? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why doesn't the Earth make wind as it moves through space?
12 januari 2024 |
21 min
Why kind of gas is in a gas giant planet? Can you do anything about sleepwalking? What causes stutters and speech impediments? Does blowing out birthday candles spread germs onto the cake? Why don't we feel the wind from moving through space? What are shooting stars? Why don't we have strangers with identical DNA? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Where did Earth get its water from?
5 januari 2024 |
20 min
In the first Ask! of 2024, Dr Chris Smith tackles questions on UV rays, Fahrenheit vs Celsius, whether the Three Gorges Dam could be slowing down the Earth's rotation, what drives dictators to do bad things, whether neutrinos pose a threat to humans, and what happens to our bodies after we die? Like this podcast? Please help us by supporting the Naked Scientists
Are some wildfires beneficial?
22 december 2023 |
22 min
Are some wildfires beneficial? What is the worst case scenario for climate change? What causes lactose intolerance? Does sunscreen cause a vitamin D defiency? Why do blind people still move their eyes around when thinking? Why do we scratch itches? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Does Mercury have a moon?
18 december 2023 |
18 min
This week, a Christmas surprise in Dr Chris's tree that he'd rather not have brought home; should I drink water from aircon machines or even vehicle exhausts, will coffee make me live longer, is the flag planted during the Moon landing still there, what's the scientific basis of itching, which planets don't have a moon, and what makes mosquitoes prefer me to other people? Dr Chris and Talk Radio 702's Relebogile Mabotja take on your science questions... Like this podcast? Please help us by supporting the Naked Scientists
What is the science behind a midlife crisis?
8 december 2023 |
15 min
What is the science of a midlife crisis? Can you store stainless steel in the fridge? Where do flies go in the winter? Could you make food directly from soil? Do the sun and the moon change positions in the winter? Why does the mouth generate saliva? How do worms get into your body? Dr Chris Smith and Relebogile Mabotja have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Are scientific discoveries becoming less groundbreaking?
1 december 2023 |
24 min
Dr Chris and Clarence Ford take on listener questions. This time they include, is intelligence more nature or nurture? Is time travel possible? Could time travellers be walking among us? Are Tibetan monks really capable of levitating? Why do I feel down during the holidays? What are the differences between lab grown and mined diamonds? What are weeds and why do they always grow where they shouldn't? Like this podcast? Please help us by supporting the Naked Scientists
Will we be able to put the AI genie back in the bottle?
24 november 2023 |
19 min
Should we ban AI from the military sphere? Does eating too much meat cause gout? What determines the shape of clouds? Are recycled tyres a safe material for roads? Like this podcast? Please help us by supporting the Naked Scientists
Should you sleep on your side or your back?
17 november 2023 |
21 min
Does COVID damage your brain? Why do moths have 'dust' on their wings? Where did the oldest plants come from? Is it better to sleep on your side or your back? Who is the top dog in a pack when humans aren't around? What is your pineal gland for? Why would stomach ulcers cause headaches? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Does alcohol burn off in cooking, and is curiosity genetic?
14 november 2023 |
16 min
Does alcohol burn off during cooking, why people put their principles in front of their own life and freedom, what causes ageing and can gene editing be used to reverse it, and is curiosity genetic across species? And does Dr Chris believe in God? Relebogile Mabotja and Dr Chris Smith have the answers to the questions you're asking! Like this podcast? Please help us by supporting the Naked Scientists
Why does music make me emotional?
10 november 2023 |
22 min
Dr Chris takes more listener questions. This week, they include: Why do the sun and the moon appear the same size during a lunar eclipse? How long does it take bowel movements to return to normal after a colostomy? Can you prick a balloon without popping it? Is an enlarged heart dangerous? Do wild horses suffer without having their hooves maintained? Like this podcast? Please help us by supporting the Naked Scientists
How long do dreams actually last?
3 november 2023 |
22 min
How does a boomerang work? Are windturbines harmful to birds? Which are smarter, dogs or cats? Can you breathe liquid air? How do racecar spoilers work? How long are dreams in real time? What affects systolic blood pressure? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
What causes amnesia?
27 oktober 2023 |
17 min
In this edition of Ask!, Dr Chris answers these questions and more: Do pineapples really eat you as you eat them? Do they have any health benefits? And why am I gaining weight as I go through the menopause? Like this podcast? Please help us by supporting the Naked Scientists
Why is cancer so hard to treat?
20 oktober 2023 |
13 min
Can fasting help with gut health? Why is cancer so hard to treat? Does a change in the weather lead to joint pain? How do you deal with chronic constipation in children? Dr Chris Smith and Relebogile Mabotja have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why are there 7 years in a dog year?
13 oktober 2023 |
24 min
What is our water carbon footprint? Does microwaving food destroy the nutritional value? Why do golf balls have dimples? Should we be desalinating water? Why are breastfed babies less likely to become obese? How did we calculate a dog year? Why do we always look at something that we're told not to? What is intermittent fasting? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Does eating grapefruit affect taking medication?
6 oktober 2023 |
18 min
Does prior infection or vaccine protect better against COVID? How do you know when something is wrong with your bowels? What is the difference between old and new vaccines? What effect does grapefruit have on taking mediaction? What are the chemical markers that someone is pregnant? Chris Smith and Relebogile Mabotja have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Will ChatGPT replace The Naked Scientists?
29 september 2023 |
20 min
Why do animals dream? Why do weird dreams feel so normal? Do ovulating people have more vivid dreams? Why might someone stop dreaming? Will ChatGPT replace The Naked Scientists? What is deja vu? Why is so much money being invested into AI? Can sunflowers absorb radioactive waste? Is the Mexican alien real? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Is one apple a day enough?
22 september 2023 |
26 min
Do skin care products live up to the hype? Is it cheaper to heat homes with electricity or gas? How does IVF work? How long will the sun continue to burn for? What is arthritis? What is the sensation of deja vu? Is there a cure for baldness? Like this podcast? Please help us by supporting the Naked Scientists
How do we know what other planets are made of?
15 september 2023 |
25 min
How does colour blindness work? How do we know what other planets are made of? Why might a red dye suddenly disappear? Why don't you feel the velocity of a plane for the whole flight? Do mobile phones in crowded spaces expose us to anything dangerous? What causes testicular torsion? How do you avoid getting rats in your car? Where did humans come from? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
What's the best way to stop signs of aging?
8 september 2023 |
14 min
Do collagen skin treatments work? What exactly are teeth? Are DNA tests ever 100% accurate? Why do dead bodies float? Why doesn't the pole star move? Like this podcast? Please help us by supporting the Naked Scientists
Why do wires always end up in knots?
1 september 2023 |
23 min
Why am I right footed, but left handed? Why are dogs' sense of smell so superior? Do people with bigger eyes have better peripheral vision? Why do guns recoil? What's the function of the black patterns on the peripheries of car windscreens? Why are yawns contagious? Why are nuclear bombs so deadly? Like this podcast? Please help us by supporting the Naked Scientists
Are there chemical elements yet to be discovered?
25 augusti 2023 |
20 min
Why do I have to pee when I wash my hands? Are daddy long-legs poisonous? Are taste buds generic across the population? Why are babies so amused by their reflection? How effective are statins? Like this podcast? Please help us by supporting the Naked Scientists
When does earth's atmosphere become space?
18 augusti 2023 |
20 min
Dr Chris Smith tackles the impressive array of questions from listeners. What gives non Newtonian liquids their special properties? Could wearing socks in bed increase the risk of having a stroke? Do Inuits not experience dental decay? Why can't we remember when we fall asleep? And what makes certain foods traditional breakfast items? Like this podcast? Please help us by supporting the Naked Scientists
What holds atoms together?
11 augusti 2023 |
16 min
Why do we explore space? Why does a flame produce less of a shadow? Do zeolites pollute water? Why do some people float better in water than others? Like this podcast? Please help us by supporting the Naked Scientists
Why do fridges get lights but freezers don't?
4 augusti 2023 |
21 min
Should you drink re-boiled water? How do bees know who to attack? Should we just leave the deep sea alone? Why do some countries drive on the left? What causes fire? Why do we need the toilet as soon as we get home? Why is there a fridge light and not a freezer light? Why does the moon move in the sky? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
What causes cluster headaches?
28 juli 2023 |
21 min
How do we fuel cars more sustainably? What causes morning sickness during pregnancy? Why does California have a sunny Christmas? Why are some smells able to summon powerful memories? Why can I hear fluid flowing when I move my neck? Is premature ejaculation nature's way of hastening reproduction? And what's the physics behind why stars twinkle? Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists
What is on the dark side of the Moon?
21 juli 2023 |
20 min
How high a temperature can human's survive? Why does cleaning your ear make your eyes roll? How do astronauts make it back from the moon? What is on the dark side of the Moon? Should we put parachutes on aeroplanes? How long can DNA samples last? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Do artificial sweeteners cause cancer?
14 juli 2023 |
21 min
Why do we itch ourselves? How do kidney stones form? I've started sleeping on a more comfortable mattress - why am I getting back pain? Like this podcast? Please help us by supporting the Naked Scientists
What is causing climate change?
8 juli 2023 |
21 min
What is causing climate change? Does pumping out oil leave a hole behind in the Earth? What does an Adam's apple do? What causes temperature differences from day to day? How does throat singing work? What would happen to Twitter's data if it collapsed? What is the spring tide, and why is it dangerous? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
What causes ocean swell?
30 juni 2023 |
22 min
If there was nothing before the big bang, who created nothing? When egg shell falls into the pan, why is the rest of the egg shell the most effective way to fish it out again? And what's going on with the James Webb space telescope? Dr Chris Smith and 567 CapeTalk's Clarence Ford take a look... Like this podcast? Please help us by supporting the Naked Scientists
How much pressure was on the Titan sub?
23 juni 2023 |
19 min
What are the benefits of cold water swimming? How much pressure was on the Titan submersible? How big are protons and electrons? Why do all babies have straight hair? Why are orcas sinking sailboats? Why does a glass hob's heat not move laterally? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why is a cold called a cold?
9 juni 2023 |
21 min
Why do my eyes burn when raindrops run into them? Why can eye and hair colour change? Why do I cry when I go to the loo? Like this podcast? Please help us by supporting the Naked Scientists
Why disinfectants kill only 99.9% of germs
2 juni 2023 |
19 min
How do flysprays work, and are they harmful for humans? What's "muscle memory" and where are these memories stored? Why do disinfectants "only" kill 99.9% of germs? How do I cleanse domestic rainwater tanks to kill microbes? How does freefall - as described by orbiting astronauts - work? If I let my pet cobra go, will it survive in the wild? What's the basis of sweating, and why do some people sweat more than others? Dr Chris Smith and CapeTalk's Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why do my flowers only smell nice at night?
27 maj 2023 |
19 min
This week,?What makes an appendix burst? Why do we blush??Do carrots really improve our eyesight? What other foods can we eat to regenerate our organs? Can lions survive on seafood? Can studying the arts impact on my health? And why do some flowers only release their scents at night, a how? Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why do bright lights make spots in my vision?
15 maj 2023 |
23 min
What are hiccups and what's the medical term for the phenomenon? How far to the horizon and why does it always appear to be at eye-level? What are lectins and are they harmful? What is pulmonary fibrosis, why does it happen and can it be cured? Why do bright lights make spots on my vision, and why does the colour change when I close my eyes? And as a 65 year old in good health and with 4 Covid-19 vaccines and one mild SARS-CoV-2 infection, do I need another Covid-19 booster?? Like this podcast? Please help us by supporting the Naked Scientists
Which came first, the chicken or the egg?
14 maj 2023 |
25 min
Why do we always find cockroaches on their back? How does medicine know where it hurts? Why do we dream? Why is the Earth still so hot? What came first, the chicken or the egg? Why did Chernobyl explode? How much energy does a seed need to grow? Can we work out how much energy there is in the world? Why do most of us look different? Chris Smith and Clarence Ford answer questions from the students of the International School of Cape Town... Like this podcast? Please help us by supporting the Naked Scientists
Is JWST disproving the big bang theory?
28 april 2023 |
23 min
Why do I feel phantom pain? What is the sleep in my eyes constituted of? Why are things we drop into our eyes poisonous to ingest? What is fibromyalgia? What is aquamation? Like this podcast? Please help us by supporting the Naked Scientists
Do we have two sets of DNA?
21 april 2023 |
25 min
What makes the brain age? Why don't ice skaters get dizzy? Do we have two sets of DNA? Where does all of the burned fuel go? Do dogs get headaches? Why are dogs so good at pattern recognition? Does someone carrying a donor egg provide any of the child's DNA? Would watering your lawn increase the chance of rain? Dr Chris Smith and Amy MacIver have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Can we control AI?
31 mars 2023 |
20 min
The dangers of mains electricity. Are computers helping or hindering our lives? What if I shine a torch while travelling at the speed of light? Like this podcast? Please help us by supporting the Naked Scientists
Why do we cry when we laugh?
24 mars 2023 |
20 min
Why is TB so drug resistant? How do nature drugs fit the lock and key in our brains? Why are some family members less fussy eaters than others? Why do we cry when we laugh? Is a love of public speaking from nature or nurture? What's the point of going to Mars? Dr Chris smith and have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Does red really make bulls angry?
17 mars 2023 |
19 min
How do we get a transplanted heart to start pumping in someone's body? Is it possible to have a stomach transplant? Is Earth's crust displacement likely to have occured in the past? Like this podcast? Please help us by supporting the Naked Scientists
What would T-Rex taste like?
17 mars 2023 |
21 min
Can pain medicines go off? Why is mouldy cheese ok? What is the James Webb Space Telescope looking at? How long would it take someone to adapt to living in a different climate? Like this podcast? Please help us by supporting the Naked Scientists
Can mosquitos get drunk off blood alcohol?
3 mars 2023 |
18 min
How can I bulk up my muscles? Where does candle wax disappear to? Why don't pigs eat onions? Do women take on male DNA when they're pregnant? Like this podcast? Please help us by supporting the Naked Scientists
Can you sing one song to the tune of another?
6 februari 2023 |
18 min
Why do we teach kids nursery rhymes? How do we know how anatomically modern humans populated the world? What is cataract surgery, how is cataract surgery performed, and is there an upper age limit? Is most human behaviour innate, or learned? Why does water boiled in a microwave sometimes explode when you add sugar or coffee? Join Dr Chris and TalkRadio 702's Relebogile Mabotja to find out... Like this podcast? Please help us by supporting the Naked Scientists
Are mobile phone microwaves dangerous?
27 januari 2023 |
19 min
Why is earth's magnetic field changing direction? Why can I sense when someone is looking at me? How might the world come to an end? Why does time seem to be going past more quickly as I get older? Like this podcast? Please help us by supporting the Naked Scientists
What would a solar flare do to Earth?
20 januari 2023 |
18 min
What would a large solar flare do to Earth? Why do stars appear to flicker, or move? Can animals experience regret? How does AI work? What are probiotics? Dr Chris Smith has all the answers for the listeners on Radio 702 and 567 CapeTalk... Like this podcast? Please help us by supporting the Naked Scientists
Is the carrot top safe to eat?
13 januari 2023 |
20 min
Do scientists know how many stars are in the galaxy? Why do some ailments only affect us at night? Should I get a petrol or diesel car? Are we drinking the same water as our ancient ancestors? What's the difference between intelligence and creativity? Like this podcast? Please help us by supporting the Naked Scientists
Are there any advantages to having a disease?
6 januari 2023 |
24 min
Does flash photography harm baby's eyesight? What is ocular myasthenia gravis? Can having a disease give you an advantage against another disease? Why are soldiers so prone to PTSD? Why is it so difficult to predict the weather? What does it mean to be double-jointed? Are we susceptible to certain rhythms? Why is water so important? Like this podcast? Please help us by supporting the Naked Scientists
What is cellular data and what do we pay for?
4 januari 2023 |
24 min
Is carbonated water better for you than still water? Why are some dogs scared of fireworks, and being touched? Is there a cure for tinnitus? Do energy drinks actually give you energy? Why does the second cup of tea never taste as good as the first? What is electronic data? What is a melanoma? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Will identical twins die of the same thing?
16 december 2022 |
21 min
Chris answers an eclectic crop of science questions including: why do we appear to have superhuman strength in high stress situations? Are science and religion at odds with one another? What's the cause of grid outages and blackouts? Will identical twins die of the same illness/disease? Why are manufactured goods so prone to breaking despite technological advancements? Are coal mines on the verge of becoming obsolete? Why do we hold our heads in exasperation? Like this podcast? Please help us by supporting the Naked Scientists
How does our brain coordinate our body?
9 december 2022 |
25 min
What role do cockroaches play in our ecosystem? What would happen if all of Earth's gases combined? Why is the universe expanding? What is the most flammable gas? Why does the Earth look flat from the ground? How does the brain co-ordinate the body? How were the pyramids built so long ago? What happens to our body during a heart attack? In this 'Classroom Edition' of Ask The Naked Scientists, Dr Chris Smith and are answering the questions set by pupils at John Graham Primary School... Like this podcast? Please help us by supporting the Naked Scientists
How do we know how old the Earth is?
2 december 2022 |
25 min
When is the next comet? What is past the milky way? Which animals have been sent into space? Did the moon come before the Earth? What lifts up the moon? What are all the dents in the moon? How did the moon form? How do we know how old the Earth is? Why are Neptune and Uranus blue? Why is the sun the only star we can see in the daytime? How fast do you need to go to escape a black hole? Is there other life in the universe? In this 'Classroom Edition' of Ask The Naked Scientists, Dr Chris Smith, Clarence Ford are answering the questions set by pupils at Parow East Primary School... Like this podcast? Please help us by supporting the Naked Scientists
How do animals survive in the deep sea?
25 november 2022 |
22 min
Why is nearly everyone right handed? How do genetically modified crops work? Why do some animals bob their head as they walk? How did stem cells restore people's sight? Why are people so hesitant to use CRISPR? How big are Qatar's air conditioners? Why doesn't honey go off? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why do I cry when I trim my nose hairs?
11 november 2022 |
23 min
Are we the only animals that do maths? Why are we still driving vehicles with high emissions given our climate concerns? Could volcanoes pose a threat to earth? Are animals susceptible to malaria? What causes bees to get angry? Why are there more dinosaur fossils than those of people? Like this podcast? Please help us by supporting the Naked Scientists
Do I get drunk quicker after Sober October?
25 oktober 2022 |
23 min
Neanderthal genetics and what DNA can tell us about ancient societies, no evidence for telekinesis, whether low blood pressure is a bad thing, the reason why humans cry, human DNA diversity in Africa and beyond. Also, do I get drunk quicker after "Sober October", can a team of cyclists solve the energy crisis, is Earth gaining or losing mass, will nature eventually deal with invasive species, and are electric cars a good thing? Dr Chris and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists
How do planes fly upside down?
14 oktober 2022 |
21 min
How do planes fly upside down? Why do sheep eat so much grass? What is outside of the universe? How does hypnotism work? What does anaesthetic do? Why don't the colour stripes in toothpaste mix? Why don't we keep primates as pets? What is the cold shiver? Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why are bad habits so hard to kick?
7 oktober 2022 |
24 min
Why are bad habits so hard to drop? Are we in a new industrial revolution? Why don't islands have snakes? How do drugs know where to go? Would fireworks work on Mars? Which foods cause inflammation? Why can't we harness power from. The Earth's magnetic field? How does sepsis get into the body? Should you avoid steroids? Do masks affect learning development in children? Dr Chris and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why do birds fly in formation?
30 september 2022 |
19 min
Why is Pluto not considered a planet anymore? What is the possibility of there being more than one universe? Why do birds not get electrocuted when they stand on electrical wires? Is the universe finite or infinite? If it is finite, what is it expanding into? What is the actual measurement of a lightyear? How do meteors form? Why do birds fly in formation? Like this podcast? Please help us by supporting the Naked Scientists
Why Doesn't Super Glue go Hard in the Tube?
19 september 2022 |
24 min
What's the difference between mist and fog? Would 1 kilometre on our orbit make the difference between life and death on Earth? How do washing powders get clothes clean? How does sunlight and seawater lighten hair? How deafening was the Big Bang? Will rainwater wash clothes better than tapwater? Why does water issuing from a tap when you first turn it on, look white with tiny bubbles? Why doesn't Super Glue go hard in the tube? Are gravitational waves audible? Like this podcast? Please help us by supporting the Naked Scientists
Why do some people learn languages so easily?
14 september 2022 |
19 min
What is the difference between 93 and 95 octane petrol? Why is the sea salty? What is at the end of the universe? How can we cure epilepsy? Like this podcast? Please help us by supporting the Naked Scientists
Are diet supplements a scam?
2 september 2022 |
25 min
Could we slow down light to see backwards in time? Why does the moon appear not to rotate? Why don't some melting icebergs lead to sea level rise? What are the problems with Newtonian physics? Do acupuncture and fish therapy work? Are supplements a scam? How did our solar system form? Does light therapy work? Lester Kiewit and Dr Chris have the answers... Like this podcast? Please help us by supporting the Naked Scientists
Should we want to stop feeling pain?
5 augusti 2022 |
24 min
Did the Earth just have its shortest day ever? Should we ever stop feeling pain? Why are different areas of hair on our body different colours? Is your car's speedometer correct? Are orcas evil? Why don't woodpeckers get brain damage? How do pigeons navigate? Lester Kiewit and Dr Chris have the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why does time only move forward?
29 juli 2022 |
20 min
How do we know that white light contains every colour? Why does time only move forward? Why aren't birds electrocuted by power lines? How do aeroplanes manage to stay airbourne? Why can't different species reproduce? How do X-Rays work? Why do antibiotics work against bacteria, but not viruses? Lester Kiewit and Dr Chris have the answers... Like this podcast? Please help us by supporting the Naked Scientists
Can we Still see the Big Bang?
22 juli 2022 |
25 min
Can the James Webb telescope see the origins of the Universe? Does freezing your jeans remove stains and preserve the colour? What are the effects of tumours in the adrenal glands? How many people have ever lived on Earth? Does a drink stop a cramp? Will the James Webb Telescope unlock new physics for us? Why is AM frequency affected by power lines? Lester Kiewit and Dr Chris have the answers... Like this podcast? Please help us by supporting the Naked Scientists
What is time?
8 juli 2022 |
27 min
What's better to injest after antibiotics treatment, yoghurt or probiotics? What makes milk and snow so white? Why does being exposed to cold water make one breathe so heavily? Is time really a human construct? This and more are the subject of Lester and Chris' weekly science QnA session... Like this podcast? Please help us by supporting the Naked Scientists
Do we sneeze in our sleep?
1 juli 2022 |
23 min
Why chainsaw's blunt over time, planet rotation, Star Trek's on the money with scientific accuracy, mathematical conundrums, sneezing in your sleep, the kinetic energy of a sneeze and our perception of flavour. Lester and Dr Chris have the answers... Like this podcast? Please help us by supporting the Naked Scientists
Counting all the stars in the known universe
24 juni 2022 |
25 min
Consumption of energy in the brain; the role of my adam's apple; seed anatomy; why there are so many planets; body components that suck oxygen from the air; NASA predicts the number of stars in our universe; why do flowers bloom in spring; measuring the milky way; the chemical properties of bromine; pursuing the origns of life; if the moon isn't cheese, what is it made of? Dr Chris Smith joins 567 Cape Talk's Lester Kiewit to talk the answers through... Like this podcast? Please help us by supporting the Naked Scientists
Drinking alcohol as you soak?
17 juni 2022 |
24 min
Soap on the bathroom mirror with a hot shower running; sedatives acting unusually; coffee reduces tiredness but also provides a lick of energy; does a glass of sherry warm you up on a cold night; how do you contract shingles; asian flush; water density experiment for you to try at home; is the conflict in Ukraine speeding up climate change. Dr Chris Smith joins 567 Cape Talk's Lester Kiewit to talk the answers through... Like this podcast? Please help us by supporting the Naked Scientists
DNA fingerprints after an arm transplant!
3 juni 2022 |
26 min
The Platinum Jubilee; aerodynamics and physics of tailgating vehicles; why planets and the moon are all in the same orbital plane; how ants lead their nest-mates to a food source; animal extinction; how light can reveal what something is made of; do transplant recipients inherit genetic diseases from their donors; and would someone with an arm transplant leave a different DNA fingerprint with their new hand? Dr Chris Smith joins 567 Cape Talk's Lester Kiewit to talk the answers through... Like this podcast? Please help us by supporting the Naked Scientists
How do ants breathe?
28 maj 2022 |
23 min
What are stars made of? How do ants breathe? How does a person catch chickenpox? Why are sunsets and sunrises red? What are planets made of? How many bones in a human body? How do Earthquakes occur? IF the Earth's round, why don't we fall off? Why doesn't sand dissolve? How does a bird fly? This week Lester and Dr Chris are with the kids at the AKA snapshot study group to find out what they want to know... Like this podcast? Please help us by supporting the Naked Scientists
Why do boats have round portholes?
20 maj 2022 |
27 min
Shortages of cooking oil, risks of being hit by lightning and can lightning travel through your plumbing; why boats have round portholes; what's the memory capacity of a human brain; can we measure happiness; do animals feel happy and sad like we do; what gives farts their unique characteristics, and why do stars twinkle? Lester and Dr Chris have the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why doesn't our own snoring wake us up?
2 maj 2022 |
24 min
Why do some animals sleep standing up? And do fish sleep? Why are elderly voices higher pitched than younger voices? Why does the outside temperature drop just before the sunrise? Why do I feel pain in my ears during a plane takeoff, and why does chewing gum help? Do cats and dogs recognise their siblings? Why is yawning contagious? Do dogs get depressed? And why doesn't our own snoring wake us up? Dr Chris and Abongile Nzelenzele have the answers... Like this podcast? Please help us by supporting the Naked Scientists
How are some children geniuses?
8 april 2022 |
26 min
Can trees produce more than 1 type of fruit? Why do some flowers only have a scent at night? What makes fruit taste sweet? How does the Google search engine work? How do motorcycle tyres grip the road? How are some children geniuses? What is myasthenia gravis? What's the difference between a sickness, a disease, an illness, an affliction, a malaise and a disorder? How does reverse swing work on a cricket ball? And how do tides work? Dr Chris Smith and Lester Kiewit have the answers... Like this podcast? Please help us by supporting the Naked Scientists
Will a cold onion make me cry less?
4 april 2022 |
19 min
Why are humans still born with bits we don't need - will evolution do away with them? Did an onion make me cry less because it was cold from the fridge? Do animals get diabetes like humans do? What is the physics of a rainbow? Where does lightning come from? What did cloning Dolly the Sheep mean for me? And is Covid-19 nature redressing the balance? Dr Chris Smith and Relebogile Mabotja have the answers... Like this podcast? Please help us by supporting the Naked Scientists
Smoking causes cancer but cures salmon?!
18 mars 2022 |
24 min
Nominative determinism; can cold showers ward off coughs and flu; what's von Willebrand's Disease; if smoking causes cancer how does it cure salmon; why can some people roll their tongues; what's "Agent Orange"; in television, how does a green screen work; do crocodiles age more slowly than we do; what is Helicobacter pylori? Chris and Lester have the answers... Like this podcast? Please help us by supporting the Naked Scientists
Full tank or better to drive about half full?
11 mars 2022 |
20 min
Is it better to keep the tank topped up to full, or should I drive around on half empty: what's better for my car and fuel consumption? Why might althletes take an ice bath after exercise? If I go out with wet hair, will I really catch a cold, or is that a myth? Do babies sleep better in a cooler room? What's the difference between an electrical blackout and a brownout? Is the expensive face cream better than the cheaper one? Lester Kiewit and Dr Chris have the answers... Like this podcast? Please help us by supporting the Naked Scientists
If identical twins marry identical twins...
1 mars 2022 |
19 min
What happens, genetically, when a black and a white human partner have children? And if a pair of genetically identical twins marries another pair of identical twins, are their kids genetically brothers and sisters? Do birds have ears? And if you lose one of your special senses, do other senses strengthen to compensate? What's the reason for human handedness? And does a blood transfusion recipient carry the genes of the blood donor? Dr Chris has the answers... Like this podcast? Please help us by supporting the Naked Scientists
Are my feet ageing faster than my face?
20 februari 2022 |
17 min
Why does my kiddie object to wearing shoes? What is spacetime and how does time dilation work? What is entanglement, otherwise known as spooky action at a distance? Are my feet ageing faster than my head? When a person dies, does their energy pass into their offspring? How does hyperloop technology work? Relebogile Mabotja and Dr Chris Smith have the answers... Like this podcast? Please help us by supporting the Naked Scientists
Dark side of the moon for the James Webb?
7 februari 2022 |
15 min
How does the James Webb Space Telescope work, and what will it reveal to us? How do spring and neap tides work, and what determines the times of tides? What causes hot flushes and night sweats? And why park the James Webb Space Telescope out in space - why not on the dark side of the moon? Lester Kiewit and Dr Chris Smith are back in action! Like this podcast? Please help us by supporting the Naked Scientists
What's the best shaped ice cube?
14 januari 2022 |
24 min
What's the best shaped ice cube, the study suggesting a pan-coronavirus vaccine might be on the cards, why a temperature of 30 degrees C feels hot despite being below human body temperature, what effect have wars had on human population, where has the flu gone to in recent wnters? Join Dr Chris to find out! Like this podcast? Please help us by supporting the Naked Scientists
Why do I think I look different in photos?
24 december 2021 |
27 min
Why cockroaches invariably are found dead on their backs; what happens to old and previous Covid-19 variants; why do I see myself differently in photographs compared with when I look in the mirror; how do chickens produce eggs; what powers deep space probes; why do some people snore, especially after a few drinks; and why is yawning contagious? Dr Chris Smith and Lester Kiewit have the solutions! Like this podcast? Please help us by supporting the Naked Scientists
Why does everything taste rotten after Covid?
17 december 2021 |
26 min
Why, after a dose of Covid-19, am I left with a new taste sensation resembling rotten onions? Why does bleached hair look blond, not white, and does salt water decolour the hair of surfers? How do I get rid of unwanted facial hair? Why is the hole my dog digs bigger than the dirt or sand that came out of it!? Why do mosquitoes prefer me to my wife? Does lighting a match do away with the smell of poo? Dr Chris and Lester Kiewit have the answers... Like this podcast? Please help us by supporting the Naked Scientists
Can memories be artificially implanted?
4 december 2021 |
25 min
What boils fastest, a glass or plastic kettle? Do animals adapt to their surroundings? Why do I feel sleepy when I take a trip to the coast? What's an itch? Why can I hear my husband snoring, but not me doing it myself? Can we artificially insert memories into the brain? Why do the colour of the sea vary in different locations? Why is entropy not a force? What is in it for a virus? Like this podcast? Please help us by supporting the Naked Scientists
Is Google Maps harming my sense of direction?
20 november 2021 |
28 min
This week, what's the bottom line on sanitising surfaces against Covid-19? Why, wonders Lester, am I so sluggish for the first few hours of the day? And can you train your chronotype to be a better morning person? Does it make a difference if you sleep on your left or your right? Why is gambling addictive and is addiction a genetic trait? Can pornography be addictive? And will resorting to apps like Google Maps impact my sense of direction? Join Dr Chris Smith and Lester Kiewit for the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why doesn't an injured spinal cord re-grow?
11 november 2021 |
26 min
The chemistry of fireworks, can I safely eat one year old Christmas cake, why we don't fall out of bed at night, what the Universe is expanding into, the reason we have to remove laptops from bags at airports, why the spinal cord won't spontanteously regenerate, sleep apps, and the science of forgetfulness all go under Lester and Dr Chris's microscope for analysis this week! Like this podcast? Please help us by supporting the Naked Scientists
How long does Covid-19 vaccine immunity last?
3 november 2021 |
23 min
This week we join young learners at Christel House school who ask us about the duration of immunity to Covid-19 post-vaccine and post-infection. Also, menstrual synchrony and whether it's fact or fiction, craniofacial abnormalities and the developing baby, the threat humans face from Artificial Intelligence (AI), why we're conscious and why we sleep. Dr Chris Smith and Lester Kiewit have the answers... Like this podcast? Please help us by supporting the Naked Scientists
How different are dog and human brains?
25 oktober 2021 |
26 min
What gases are present in lava? What happens when hot magma meets cold water in the sea? How different is an animal's brain to my own? How much of my intelligence is down to genes, and how much is the environment in which I grew up? Do photons weigh anything? Is there a cancer pandemic? And will a spoon in the neck of the bottle keep champagne fizzy? Dr Chris and Lester Kiewit tackle your burning questions... Like this podcast? Please help us by supporting the Naked Scientists
Are farts infectious?
15 oktober 2021 |
27 min
This week, James Croll and Mulitun Milankovic's contributions to planetary climate cycles; what it takes to knock a planet off-axis; where do clouds falling off Table Mountain go; does a discharged battery weigh less than a charged battery; the cheese reaction and bad dreams; why some foods go through undigested; why are planets round; birds recognising their own flocks; Captain Kirk heads to space; is a bad smell potentially infectious? Lester Kiewit and Dr Chris have the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why are only some batteries rechargeable?
4 oktober 2021 |
25 min
This week, where Vitamin D comes from, if lab-grown protein is vegan-friendly, how mammals evolved to dive deep underwater, how genes can be used to track evolution, how chillies create a burning sensation in the mouth, whether feet change shape as we age, what makes a battery rechargeable, and why tropical seas tend to be blue and clear. Dr Chris Smith and Lester Kiewit have the answers... Like this podcast? Please help us by supporting the Naked Scientists
What makes a virus like Covid-19 mutate?
29 september 2021 |
22 min
What makes a virus mutate? Why does bladder control become so much harder to achieve the closer I get to a toilet? How does sneezing work? How are vaccines quality controlled and assured around the world? What happens to Covid-19 vaccines if the cold-chain is broken? Dr Chris and Africa Melane have the answers... Like this podcast? Please help us by supporting the Naked Scientists
Can science bring back extinct species?
18 september 2021 |
29 min
This week it's time to join another local school to answer their burning science questions including can we bring back extinct species from the dead; is the Universe infinite; can we replace cells and tissues in the body; will science solve Alzheimer's Disease; are humans getting taller; how do viruses like Covid-19 evolve and change; why do black holes matter; and, an easy one to finish on: what's consciousness!? Like this podcast? Please help us by supporting the Naked Scientists
How does a water softener work?
11 september 2021 |
27 min
What causes r-rolling difficulties otherwise known as rhotacism? Also, why do we have to stay still in an MRI scanner, why is calcium a metal, what makes water hard and how does a water softener work, what is the impact of a caesarian birth on health and why, what's the reason dementia affects short but not long term memory, and how does gravity work? Join Lester and Dr Chris for the answers to this week's crop of questions... Like this podcast? Please help us by supporting the Naked Scientists
Why does heat wipe out a magnet?
3 september 2021 |
26 min
This week we ask whether we're about to start spoiling other planets with our space forays, if there is antimatter in the human body, what causes cluster headaches, whether microwaving can ripen avocado, what causes long-sight, how atomic clocks operate, the basis of entropy and thermodynamics, why heat wipes out a magnet, and whether cleaning surfaces is a good idea for combating Covid-19... Like this podcast? Please help us by supporting the Naked Scientists
Can two light rays collide?
28 augusti 2021 |
26 min
Is there such a thing as a true circle? Can two light rays collide with one another? What makes the sky look blue? Have aliens ever visited Earth? Will time travel ever be possible? What's the perfect pH for seed germination? Would a truck full of birds weigh less if all the birds took off? What's at the bottom of a black hole? Why is poo brown despite the fact we all eat different foods? This week the questions for Dr Chris come from the kids at Gaia Waldorf School, and they're very hard! Like this podcast? Please help us by supporting the Naked Scientists
In computing, how does the cloud work?
21 augusti 2021 |
26 min
Why do I shiver when I wee? How does carbon dating work? What can I not tickle myself - is that similar to why I mind my own farts less than someone else's? Does breath-holding block tickle sensations? How does "the cloud" work in computing? Why are sunsets red, and what is the green flash? Why would a telegraph pole by the road vibrate of its own accord? Dr Chris and Lester have the solutions! Like this podcast? Please help us by supporting the Naked Scientists
Allergic to just one part of an animal?
14 augusti 2021 |
27 min
Can you be allergic to one part of an animal but not another? What's the point of dreaming? What happened before the Big Bang? What's in wine that causes hangovers, and is this an allergic reaction? Are we seeing into the past when we detect light from far away in space? Why does driving through a long tunnel or across a bridge make me feel giddy? Lester and Dr Chris make your head spin with the answers! Like this podcast? Please help us by supporting the Naked Scientists
Does digital data weigh anything?
6 augusti 2021 |
25 min
How do African animals withstand extreme cold in the Kalahari? Does the data we're all generating and storing weigh anything? How does relativity relate to the real world? Why do we run Olympic races in the direction we do? Is the ozone hole disappearing now? Were left handers less able to defend themselves back in history? Is a germinating seed making new matter? And will volcanoes eventually empty the Earth of magma? Lester and Chris have the answers... Like this podcast? Please help us by supporting the Naked Scientists
Are we at peak human Olympic performance?
24 juli 2021 |
24 min
Why do some forms of heater seem to warm a room up faster? What's the different between Alzheimer's Disease and dementia? Are aluminium cooking utensils a risk factor for Alzheimer's? Can magic mushrooms control dementia, or other mood disorders? How do we know what's inside the Earth, and did we collide with another planet during Earth's past? Are microwaves a risk for cancer? Is there a limit to human Olympic performance? Like this podcast? Please help us by supporting the Naked Scientists
Why does squinting sharpen vision?
17 juli 2021 |
25 min
In this week's show, recorded before the Euro 2021 final, Dr Chris explains why Inuits survive on polar fare with impunity but Shackleton's crew developed nutritional deficiency when they were stuck in the Antarctic. Also, why laser beams are bad for goalkeepers, if energy drinks are dangerous, why squinting sharpens vision, if there humans with better senses than average, and what is meant by the percentage chance of rain? Like this podcast? Please help us by supporting the Naked Scientists
Electric eels to power the national grid?
28 juni 2021 |
18 min
Can electric eels power the national grid? What does 5% alcohol in a beer really mean? Does alcoholic hand cleanser ruin your fingerprints? Why does warm water on cold feet feel scalding hot? Is behaviour genetic - do I inherit my mood from my dad? Join Dr Chris and Azania Mosaka as they unravel the answers... Like this podcast? Please help us by supporting the Naked Scientists
What happened to the Wankel Rotary Engine?
18 juni 2021 |
29 min
This week, what happened to the Wankel Rotary Engine; why does air become thinner at altitude and thicker at depths; and why do I need to blow my nose vigorously when I first wake up but not at other times of the day? Also, what are the best pollinators, what's the evidence for macro-evolution, why do many great discoveries get discovered at the same time by independent workers, and what happens in the brain during hypnosis. Join Dr Chris and Lester Kiewit for the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why don't tennis players get one massive arm?
16 juni 2021 |
27 min
Which is better, male or female? Why does one nostril sometimes seem to work better than the other? Why do some birds hop but others waddle? What's monosodium glutamate and what does it do to food? Why are other people's farts harder to tolerate? What causes multiple pregnancies? Why do we sometimes feel cold? And why don't professional sportsmen, like tennis players, not end up with one massive dominant arm? Join Dr Chris Smith and Lester Kiewit for the answers... Like this podcast? Please help us by supporting the Naked Scientists
How do bees make honey?
7 juni 2021 |
20 min
Why might it feel colder at daybreak compared with during the night? What's the best gap between doses for Covid-19 vaccines? What causes albinism and can albinos do anything to make their skin darker? What are stretch marks? And how do bees make honey? Join Dr Chris and Azania Mossaka for the answers... Like this podcast? Please help us by supporting the Naked Scientists
Can dogs detect Covid-19?
28 maj 2021 |
20 min
This week how medical detection dogs are sniffing out Covid-19 with 94% success rates, the force powering the expansion of the Universe, how a master key works, whether parallel universes are more fact than fiction, what was Dr Chris's favourite science subject at school, what causes bad dreams, what triggers early labour, and should a Covid-19 recoveree get vaccinated? Like this podcast? Please help us by supporting the Naked Scientists
Why sugared cucumber might taste like melon
21 maj 2021 |
23 min
This week, expiry dates on vaccines, what is a smell and how does the body's olfactory (smelling) system work? Why does the smell of fruits change during the ripening process? Why might sugar on cucumber taste like melon? Do some people inherit genes that mean some smells are inapparent to them? When clouds disappear, where have they gone? How does a cell phone touchscreen work? And why do car exhausts seem to last longer these days? Like this podcast? Please help us by supporting the Naked Scientists
Why won't water burn?
8 maj 2021 |
17 min
This week, the Covid-19 crisis in India and why it's happening, we discuss why water, despite being replete with hydrogen and oxygen which burn readily, is incombustible, we talk through the safety profile of the coronavirus vaccines, find out why shaking the remote control can apparently bring dead batteries back to life, and touch on the ageing process. We also bid farewell to Kieno, who is departing for pastures new... Like this podcast? Please help us by supporting the Naked Scientists
Why don't animals have green fur?
30 april 2021 |
21 min
This week, why it's more comfortable to look at the Sun on the horizon compared with when it's directly overhead, why dogs pee on upright objects, where mosquitoes go in winter, is it normal to have one foot bigger than the other, and what's the best way to breed tall children? Ray White and Chris Smith take on your science questions... Like this podcast? Please help us by supporting the Naked Scientists
Low platelets, but blood clots. Why?
19 april 2021 |
19 min
If the AZ vaccine causes blood clots, why do affected individuals have low platelets, which should make clotting less likely? Also, when the Earth wobbles on its axis, does the Moon's orbit also change? How many genes of mine will my offspring carry? Could we dump nuclear waste in space? Why do disinfectants claim to kill 99.9% of bugs? Where do they get that number from?! Dr Chris Smith and Azania Mosaka have the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why halt the Johnson and Johnson Vaccine?
16 april 2021 |
27 min
Chris Smith and Kieno Kammies discuss the latest on blood clots and Covid-19 vaccines, including the US and South Africa decisions to halt use of the Johnson and Johnson vaccine. Also, are the vaccines a risk for people with aneurysms, what causes recurrent nosebleeds, can we mix flu and coronavirus vaccines, why the heart is so tied up with emotions, and does not having sex harm your health? Like this podcast? Please help us by supporting the Naked Scientists
Flu and Covid-19 vaccines together?
14 april 2021 |
26 min
Should I get vaccinated despite previous Covid-19 infection? Can I get a combined flu and Covid-19 shot? Why can't my pharmacist give me a Covid jab in South Africa? Is a Covid-19 vaccine safe for someone with a history of Guillain-Barre syndrome? Can you find out what Covid-19 variant has infected you? Did they really find Jack the Ripper? And why do dogs and cats turn around in circles when they first get into bed? Join Dr Chris Smith and Kieno Kammies for the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why do masks stop Covid-19 but not smells?
26 mars 2021 |
22 min
The people that don't believe Covid-19 is real, how ants smell out sources of food, how soda water makes you burp, a way to banish ants, what would you change about the human body, why masks stop Covid-19 but not smells, and how long is the recovery time from bone fusion surgery? Join Dr Chris Smith and 567 Cape Talk's Kieno Kammies for the answers... Like this podcast? Please help us by supporting the Naked Scientists
If I've had Covid-19, do I need a vaccine?
22 mars 2021 |
21 min
Why are the EU posturing around AstraZeneca's Covid-19 vaccine, and what will be the consequences? And if you've already caught coronavirus, should you still get vaccinated if you are already immune? What is ataxia and how can it be treated? What causes rigor mortis and how long does it last? In Covid-19 genetic vaccines, how long does the foreign genetic material persist in the body? Plus why conspiracy theories and misinformation proliferated online are so toxic. Like this podcast? Please help us by supporting the Naked Scientists
Do catwalk models have more neck bones?
12 mars 2021 |
24 min
Why is the Moon moving away from the Earth, and what would have been the consequence of it being closer to us millions of years ago? Also, why does Covid-19 anosmia stop me smelling Vick's Vapour rub but I can still feel its effects? Do models have more neck bones to account for their longer necks? Why do some people float but others sink in the swimming pool? And how does lightning work: does it travel upwards, downwards, or neither? Like this podcast? Please help us by supporting the Naked Scientists
Will not having sex harm my health?
8 mars 2021 |
24 min
Why do we fall asleep when we don't want to? Will going without sex harm your health? Why do aircraft resort to black boxes when they could send data to satellites? Why don't brakes overheat and lock on? Can you create a 1 degree angle? And why does Earth look flat for people on the surface when we all know it's not really flat? Join Dr Chris Smith and Talk Radio 702's Azania Mosaka for the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why haven't we evolved not to age?
27 februari 2021 |
26 min
Good news on the Covid-19 vaccine front from the UK, why South Africa isn't using AstraZeneca's vaccine, is the Universe under threat from "strangelets", why has evolution not solved the ageing problem, why ice sticks to an empty glass, the PCR test for Covid-19, and how to stop cats killing wildlife... Like this podcast? Please help us by supporting the Naked Scientists
Why does Covid come in waves?
15 februari 2021 |
19 min
Will loud music deafen my dog? Why are some dog breeds more docile than others? Why do Covid-19 outbreaks follow cycles of boom and bust? What gives a person their "second wind"? Why do ants invade my kettle and other electronic devices ? Is ant invasion in you home a sign that the place is dirty? Why have I got vibration sensations in my foot? Join Dr Chris Smith and 567 Cape Talk's Saskia Falken to find out... Like this podcast? Please help us by supporting the Naked Scientists
Can teeth fillings tune in to radio waves?
5 februari 2021 |
23 min
This week we talk vaccines for Covid-19, especially the Novavax trial results, and hear why it might be possible to tune into radio waves with your teeth. We also discuss Covid and cytokine storms, bubbles in the Milky Way, where the sharks go during a tsunami and how radioactivity is used to power spacecraft... Like this podcast? Please help us by supporting the Naked Scientists
Are the Covid-19 vaccines safe?
26 januari 2021 |
22 min
This week, Dr Chris and Kieno Kammies talk Covid-19 vaccinations, explore whether ivermectin might be a helpful coronavirus drug, explain how maggots get into wounds, unpick what's in the Covid-19 vaccine, and talk nanoparticles... Like this podcast? Please help us by supporting the Naked Scientists
Am I a snake: my yawns spray saliva!
22 januari 2021 |
21 min
This week, journey times to Mars, how stars come by the matter inside them, why some people feel compelled to eat paper, how coronavirus antibody levels correlate with Covid-19 severity, whether water really goes down the drain in different directions on opposite sides of the Earth, and why a yawn produces a spray of saliva. Join Dr Chris Smith and Azania Mosaka for the answers. Like this podcast? Please help us by supporting the Naked Scientists
Can you swallow upside down?
18 januari 2021 |
21 min
This week, Aza catches coronavirus, Covid-19 vaccines, viral variants and where are the mutations in the SARS-CoV-2 genome, can you still swallow when you're upside down, how was Einstein proved right, and what causes cramp? Dr Chris Smith has the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why do you float on the Dead Sea?
11 januari 2021 |
27 min
How do energy drinks give you a buzz? Why do planets orbit on a plane? Should we test for Covid-19 infection before we vaccinate? Do energy drinks cause diabetes? Why do you float on the Dead Sea? How does the Plimsoll Line on a boat work? When does Covid infectivity cease after death? What's your first and last organ to die? How do planets orbit? And what's the best way to get rid of rat poison? Join Dr Chris Smith for all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why car indicators flash at different rates
18 december 2020 |
15 min
How do point of care tests for Covid-19 work? Are they any good? How infectious are people asymptomatically infected with Covid-19? Why do different car indicators flash at different rates? How do accents work and where do they come from? How many Earths could fit inside Jupiter, and what is the "giant red spot"? Does wearing a facemask have any negative health impacts? Do hailstorms only happen in the daytime? Join Dr Chris Smith and Tshego Modisane for the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why is it dark in space?
8 december 2020 |
24 min
An update on the Pfizer vaccine for Covid-19, the lotto likelihood of sequential winning numbers, why swallows congregate around motorway bridges, the logistics of keeping the Covid-19 vaccine cold, and why is it dark in space? Also, why is there a Covid-19 vaccine in 10 months but no HIV vaccine after 4 decades, would we still have tides without the Moon, and why is the Moon white since the sky is blue? Join Dr Chris and 567 CapeTalk's Kieno Kammies for the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why shave sheep in winter?
4 december 2020 |
24 min
Why shear a sheep in winter when it's cold? And can animals count? Why do geese and turkeys chase people? Also, how does coronavirus infection alter our sense of smell and taste? How do artificial sweeteners work? And when it comes to survival of the fittest, what constitutes "the fittest"? What brings asteroids onto a collision course with the Earth? Dr Chris joins Kieno Kammies to answer this week's crop of farmyard-inspired - and other - questions... Like this podcast? Please help us by supporting the Naked Scientists
Can we taste through our fingers?
27 november 2020 |
21 min
Why did touching something make me taste metal? Also, what's the best liver detox, why does listening to loud music stop a stammer, does music help attention deficit disorder and is sunrise to the south even in the southern hemisphere. We also wonder whether perpetual motion is possible, why the sun can make some people sneeze, why ice cubes sometimes crumble, and how some fruits encourage others to ripen. Join Dr Chris Smith and Kieno Kammies for the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why does my Coke froth up when I add ice?
17 november 2020 |
16 min
Why does my Coke froth up when I add ice? How is an oesophageal stricture treated? Does immunity to other coronaviruses confer immunity to Covid-19? Can cats smell things that are poisonous? Why do athletes place their hands on their hips after exercise? And how do fingers help with heat control. Join Dr Chris Smith and Talk Radio 702 Azania Mossaka for all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why fidgeters are less fat
6 november 2020 |
22 min
This week, why teenagers can feel moody, what causes restless leg syndrome, fidgeting and obesity, Covid-19 genetic risk factors, whether potatoes can prevent night cramps and arthritis, and the effects of Epsom salts. Join Dr Chris Smith and 567 CapeTalk's Kieno Kammies for this week's crop of questions and answers... Like this podcast? Please help us by supporting the Naked Scientists
Do named painkiller brands work better?
4 november 2020 |
22 min
What's the best way to avoid mosquito bites, and a suggestion that tomatoes ward the insects off. Also, why cookers heat some parts of pans better than others, the mind-over-bladder effect when you really need to go, why generic drugs are no different to named brands, why oil makes a rainbow effect on water, if a previously transplanted kidney could be re-used elsewhere, and the toxicity of ozone. Join Dr Chris Smith and 567 CapeTalk's Koketso Sachane for the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why only use big dogs as sniffer dogs?
30 oktober 2020 |
24 min
Vitamin D for coronavirus? Narcissism and the brain. Why use big dogs as sniffer dogs? Understanding conversations in noisy places, and why that gets harder as we age. Why does my hand itch before I receive money? Is the new coronavirus linked to type I diabetes in children? And attaching significance to coincidence! Join Dr Chris on 567 CapeTalk for all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Would a fat person last longer in a famine?
26 oktober 2020 |
20 min
Can omnivores switch their diets to survive on whatever is available? Would a fat person last longer in a famine? How does serology help in the management of Covid-19? Could we use GM technology to develop a healthy form of tobacco? How and why do chameleons change colour? Why does ice stick to your skin? Why does a shop-bought chicken have tender meat and softer bones? Join Dr Chris Smith and Talk Radio 702's Azania Mossaka for the answers... Like this podcast? Please help us by supporting the Naked Scientists
What would a brain transplant feel like?
19 oktober 2020 |
21 min
The virtual reality system for visualising molecules, where Covid-19 came from, what would a brain transplanted individual experience, where did all the dust go when Beirut blew up recently, and why is smoking addictive? Join Dr Chris Smith and Talk Radio 702's Azania Mossaka as they delve into the answers... Like this podcast? Please help us by supporting the Naked Scientists
How does all that web fit inside a spider?
17 oktober 2020 |
18 min
How a tiny spider can spin so much silk, how the moon's cycle affects human behaviour, the effect of body weight on bone mass, the reason people have consciences, and the way to become a scientist all get discussed this week. Join Dr Chris Smith and Kieno Kammies for the answers... Like this podcast? Please help us by supporting the Naked Scientists
How does body weight affect the skeleton?
12 oktober 2020 |
20 min
Hyenas everywhere in the Kruger, but why so many? How does the human skeleton respond to changing body weight? Why remove and dump a whale carcass when it would rot down naturally? How long does the Covid-19 coronavirus remain viable in the body? Why is the sky blue? And is there a probiotic answer to body odour? Join Dr Chris Smith and Talk Radio 702's Azania Mosaka to find out the answers... Like this podcast? Please help us by supporting the Naked Scientists
Donald Trump diagnosed with Covid
2 oktober 2020 |
25 min
Donald Trump diagnosed with Covid-19, SNP MP Margaret Ferrier takes two trains despite coronavirus infection, and the answers to why toddlers have potbellies? Can free-divers get the bends? How does sunscreen work? What's actually inside a black hole? And why do we itch, and what's the point? Join Dr Chris Smith and Kieno Kammies from 567 CapeTalk as they shoot the scientific breeze... Like this podcast? Please help us by supporting the Naked Scientists
Toilet bleach: what's best, thick or thin?
25 september 2020 |
23 min
Would a baby exposed to 5 languages from birth learn all of them? Toilet bleach: what's best, thick or thin? Are new varieties of fruits equally good for you? What's the proof for absolute zero? How are radio and TV audiences measured? What causes high pitched sounds in the ear that appear to come from nowhere? Join Chris Smith and Kieno Kammies for the answers... Like this podcast? Please help us by supporting the Naked Scientists
How does alcohol in hand sanitiser work?
20 september 2020 |
22 min
How do different tasks recruit different parts of the brain? What's the story of potential life on Venus? How long to boil the perfect egg? What's homocysteine and how much is a safe level in the blood? How does alcohol in hand sanitiser work? What's the most intelligent animal? Are smartphones changing our brains? And does same sex attraction occur in wild animals as well as humans? Join Dr Chris Smith and Kieno Kammies for the answers... Like this podcast? Please help us by supporting the Naked Scientists
Covid-19: Has the world over-reacted?
13 september 2020 |
24 min
What causes new infections, like Covid-19, to emerge in the first place? Why does the same temperature seem to feel colder in the day than it does at night? Why have we locked down the world for Covid-19 when it seems less serious than we first thought? We also talk about the symptoms of long-Covid, and explain how the heart formed back in evolutionary history, with Dr Chris Smith and 567 CapeTalk's Kieno Kammies... Like this podcast? Please help us by supporting the Naked Scientists
Would sea level rise if we all went swimming?
7 september 2020 |
25 min
Why does sugar get onion smells off my skin? Are aluminium cooking pots harmful to health? Why don't hail stones make holes in leaves? What causes heart palpitations? If we all went swimming at the same time, by how much would the sea level rise? Why are covid swabs so long? How are fibre optic data transmission rates so high? Why can I hear my own heart in my ears? Join Dr Chris Smith and 567 CapeTalks Koketso Sachane to find out... Like this podcast? Please help us by supporting the Naked Scientists
Asymptomatic Covid-19, and where space starts
4 september 2020 |
17 min
At what temperature does the new coronavirus survive the best? Is there a tension between science and religion? Are food additives harmful? Why is covid aysymptomatic in some people, and when are we infectious? Where does the Earth stop and space begin, and do we switch off our sensation when we go to sleep? Dr Chris and Talk Radio 702's Azania Mosaka have the answers... Like this podcast? Please help us by supporting the Naked Scientists
How animals eat venomous snakes and not die
31 augusti 2020 |
24 min
Join Dr Chris and 567 CapeTalk's Kieno Kammies to hear why certain sounds make us shudder, whether you should sunbathe in winter, why Donald Trump is orange, what makes a crescent moon, why animals can eat venomous snakes and not be poisoned, the evidence that we really went to the moon, how is electricity made, and what is the best way to manage insomnia? Like this podcast? Please help us by supporting the Naked Scientists
Why do I look upside down in a spoon?
24 augusti 2020 |
20 min
This week climate records and snow in Australia. We also explain why reflections in a spoon are upside down? Would an astronaut adrift in space be fried, frozen, or both? How did the guy who invented a clock know the time? What links the ABCC11 gene and earwax? Why do only certain species look after their young? Is a vegan diet healthy for a growing child? And what are the bright silver sparkles when looking at a bright blue sky? Join Dr Chris Smith and Talk Radio 702's Azania Mosaka... Like this podcast? Please help us by supporting the Naked Scientists
Will living next to a 5G mast harm my health?
21 augusti 2020 |
28 min
How do induction loops in the road control traffic lights? Are there any health threats from 5G masts? Why do we yawn and why are yawns infectious? What guided ancient civilisations when they built landmark structures? What is tinnitus and can we treat it? Do birds fly in the rain? And what causes tennis elbow and how do I treat it? Join Dr Chris Smith on 567 CapeTalk for the answers! Like this podcast? Please help us by supporting the Naked Scientists
What causes a dead leg?
17 augusti 2020 |
22 min
What's happening when your arm or leg goes to sleep? What is the odds that ET exists elsewhere in the Universe? Is there a "right" way to sleep? What makes eyelids twitch? What is the D614G strain of Covid-19, and is it a threat? Why do children sleepwalk? Is space mining a realistic prospect? And why might a man's resting pulse rate be lower than a woman's? Dr Chris Smith joins Azania Mosaka to answer your questions on Talk Radio 702... Like this podcast? Please help us by supporting the Naked Scientists
How bacteria and viruses turn drug resistant
14 augusti 2020 |
22 min
Why we love music, the reason that standing on one leg becomes a challenge with age, how bacteria and viruses become drug resistant, how plants swap chemicals underground, how old is ancient starlight, and why does Venus appear to rise so rapidly on the horizon? Join Dr Chris Smith on 567 CapeTalk to find out... Like this podcast? Please help us by supporting the Naked Scientists
Why does my barbecue smoke follow me around?
7 augusti 2020 |
21 min
The science of explosions, including what happens when brake fluid and hypochlorite mix, and what blew up in Beirut, why lemons make you grimace, the reason that the smoke from the barbecue mysteriously seems to know where you are standing, what determines your IQ, how a fruit battery works, why we forget dreams, and how genetics controls height. Join Dr Chris Smith and 567 CapeTalk's Kieno Kammies for the answers... Like this podcast? Please help us by supporting the Naked Scientists
Can birds carry Covid-19?
2 augusti 2020 |
23 min
How supermarkets ripen fruits and vegetables, how people knew space existed before they went there, whether Covid-19 can infect birds, the advent of space tourism, why flight paths are sometimes curved rather than straight, what causes goose bumps, and are aeroplanes Covid-safe? Join Talk Radio 702's Azania Mosaka and Dr Chris Smith for the answers... Like this podcast? Please help us by supporting the Naked Scientists
Can I catch Covid19 from a library book?
27 juli 2020 |
19 min
Evidence for Russian Covid-19 vaccine espionage, whether minicabs spread coronavirus infection, whether Covid-19 can cling to a library book, how to spot a male ant, can birds carry Covid-19, why vaccines take so long to make, and what causes my heart to suddenly begin to race? Join Dr Chris Smith and 567 CapeTalk's Kieno Kammies to find out... Like this podcast? Please help us by supporting the Naked Scientists
Pneumonoultramicroscopicsilicovolcanoconiosis
19 juli 2020 |
22 min
This week what is special about the word pneumonoultramicroscopicsilicovolcanoconiosis, and, more importantly, what does it mean? Also, how do viruses and bacteria differ, does growing an Afro make you thin, how does body temperature vary across the day, does clipping hair and nails make them grow faster, and how do hair loss remedies work? Dr Chris Smith and Talk Radio 702's Refilwe Moloto have the answers... Like this podcast? Please help us by supporting the Naked Scientists
Is time travel possible?
12 juli 2020 |
21 min
This week, how blood transfusions from individuals who exercise could take decades off the brain ages of recipients, the toenails that refuse to grow, what causes giddiness, do we need to Earth ourselves to tackle unhealthy charge imbalances, and can air purifiers use UV to remove infectious diseases? Join 567 CapeTalk's Kieno Kammies and Dr Chris Smith for the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why is it easier to park a car in reverse?
8 juli 2020 |
20 min
This week, the intriguing question of how visible light, but not microwaves, can escape through the grille of a microwave oven, how far Earth and Mars are apart, the speed of a falling meteor, why parking a car in reverse is easier, the reason that oil and water won't mix, and the prospects of alien life. Join Dr Chris Smith and Talk Radio 702's Azania Mosaka for the answers... Like this podcast? Please help us by supporting the Naked Scientists
How fast does a decapitated head stop seeing?
3 juli 2020 |
21 min
What causes phantom limb pain? How does the bladder control when it fills and empties? What the F are food E numbers? Where does medical oxygen come from and will we run out? How fast does the brain switch off after decapitation? Why don't bats suffer a rush of blood to the head when they sleep upside down? And what causes catatonia? Join Dr Chris Smith and 567 CapeTalk's Kieno Kammies for the answers... Like this podcast? Please help us by supporting the Naked Scientists
How long am I infectious with COVID19?
1 juli 2020 |
21 min
This week, if something could move faster than light, how would we detect its speed? Also, why do we cry, and why do the experiences of others make my feet tingle? How far from Earth is Mars, why has smoking been banned in South Africa during Covid lockdown, why are wind turbines not placed single-file, how long am I infectious with Covid-19, and can you smell in space? Join Azania Mosaka and Dr Chris Smith for the answers... Like this podcast? Please help us by supporting the Naked Scientists
Does a mirror multiply light?
24 juni 2020 |
21 min
The UK eases the lockdown... a little bit, what makes our eyes move together, what makes Earth so special when it comes to supporting life, how long does a journey to Mars take, why can't I take my chemotherapy by mouth, does a mirror multiply light, and is climate change down to us, or natural temperature cycles? Join Dr Chris and Talk Radio 702's Azania Mosaka for the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why don't birds get cold feet?
12 juni 2020 |
17 min
This week how birds keep warm in winter, how long to recover from ventilation for Covid-19, when do doctors need to ventilate a patient, seeing your own brain by MRI, why sunlight is warmer in summer, and can infrared light kill Covid? Join Dr Chris Smith and 567 CapeTalk's Kieno Kammies for the answers... Like this podcast? Please help us by supporting the Naked Scientists
101 ways to sterilise a facemask
6 juni 2020 |
24 min
How to sterilise a facemask: will zapping it in a microwave oven, or steaming it over a kettle work? What's the deal with UVC to kill coronaviruses? Are books returned to libraries an infection risk? And what about deliveries of flowers? Can garlic fend off infection? Why do fridges jolt on? And is a plane journey a risk factor for infection? Join Dr Chris Smith and Kieno Kammies for the answers... Like this podcast? Please help us by supporting the Naked Scientists
Where does methanol come from in home brew?
1 juni 2020 |
21 min
This week where methanol comes from in home brewing, 5G and the coronavirus conspiracies, why cut flowers still need water, rice behaving bizarrely in the microwave, whether wind blows away infections, exploding jugs of custard, safe alcohol consumption, why light has the speed it does, and why weather stops a space launch. Join Chris Smith and Lester Kiewit for the answers... Like this podcast? Please help us by supporting the Naked Scientists
Are my muscles more efficient than a car?
25 maj 2020 |
19 min
Engine efficiency, what happens when the Earth's magnetic field flips, what is a solar minimum, why are some people shorter than others and what causes dwarfism, and how can I tell planets from stars? Join 702's Azania Mosaka and Dr Chris Smith for the answers... Like this podcast? Please help us by supporting the Naked Scientists
What are the thin bones in chicken wings for?
15 maj 2020 |
26 min
Antibody tests for Covid-19, do mild Covid cases produce as many antibodies as more severe infections, what is covid viral load, where did the water on Earth come from, how do diuretics work, why does cooked fruit taste more sour, how are memories laid down, what are the thin bones in a chicken leg, and do carrots really help us see in the dark? Dr Chris Smith and 567 CapeTalk's Pippa Hudson have the answers... Like this podcast? Please help us by supporting the Naked Scientists
Can blood group affect Covid-19 risk?
8 maj 2020 |
20 min
This week, Rasmussen's encephalitis and brain surgery, are packages safe from coronavirus contamination, do blood groups affect Covid-19 risk, why does the SARS-CoV-2 coronavirus appear to spread better in some places than others, what is heart ejection fraction, and how do I disinfect my groceries? Join Dr Chris Smith and Kieno Kammies from 567 Cape Talk, for all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Can a common cold confuse a coronavirus test?
1 maj 2020 |
17 min
Sending children back to school, the role of different facemasks in controlling coronavirus spread, whether common colds are confusing coronavirus tests, is everyone dreaming more at the moment or it is just me, how do we prevent coronavirus spread at the office, and what's the best way to keep viruses away from your face? Dr Chris Smith and CapeTalk's Kieno Kammies have the answers... Like this podcast? Please help us by supporting the Naked Scientists
UV light therapy for coronavirus? No Mr Trump
24 april 2020 |
14 min
When it comes to coronavirus and the lockdown, are we at risk of a treatment worse than the disease? Also is UV the new therapy for Covid-19, as Mr. Trump proposes, or is he mistaken? Why could SARS-CoV-2 not have originated in lab? How should we dispose safely of used personal protective equipment (PPE), and why, if older people have weaker immune systems, are older people more vulnerable to Covid-19? Join Dr Chris Smith and 567 CapeTalk's Kieno Kammies for all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Will lockdown lead to a fitter coronavirus?
19 april 2020 |
13 min
This week, are we breeding a fitter coronavirus? Lockdown measures suppress spread, but do they select for a virus with superior spreading power? Also, what are the half-moon shapes in finger and toenails? Do facemasks protect wearers, or third parties from viral infections? And how should I clean my shopping to keep coronavirus out of my home? Join Dr Chris Smith and 567 CapeTalk's Kieno Kammies for the answers... Like this podcast? Please help us by supporting the Naked Scientists
Can coronavirus be carried in semen?
10 april 2020 |
21 min
This week, coronavirus infection in big cats, how new diseases emerge in the first place, whether face masks work against coronavirus, can Covid-19 spread through the air, can you catch Covid from urine, and is previous TB a risk factor for severe coronavirus disease? Also, will wearing a face mask protect other people from you, is 5G a risk for Covid-19, and can coronaviruses be carried in semen? Join Dr Chris and Azania as they Ask the Naked Scientist... Like this podcast? Please help us by supporting the Naked Scientists
What does Earth look like inside?
4 april 2020 |
20 min
This week, how did birds dodge the dinosaur apocalypse? Why does my rug climb the wall? How can we make a country richer? What does Earth look like inside? Is Covid-19 a conspiracy? Where did viruses come from in the first place? And will lockdown produce a baby boom? Join Dr Chris and Kieno Kammies for the answers... Like this podcast? Please help us by supporting the Naked Scientists
Is Covid-19 a problem in pregnancy?
31 mars 2020 |
22 min
What is Covid-19? Are masks worth wearing to protect against coronavirus infection? How does flu compare with coronavirus infection? Do gloves help prevent Covid infection? Are viruses alive? Will ozone kill coronaviruses on my shopping? How does menthol clear nasal passages? And what happens if you catch coronavirus while pregnant? Join Dr Chris Smith and Talk Radio 702's Gushwell Brooks to find out! Like this podcast? Please help us by supporting the Naked Scientists
If I've had COVID-19, am I immune?
20 mars 2020 |
18 min
Why are people stockpiling? Why does no one remind people not to smoke? Why are some songs music to my ears but a cacophony for others? What determines the rate of radioactive decay? Is COVID-19 an experiment in biowarfare? Can hair carry coronaviruses? Can chloroquine combat coronavirus infection? Once I've recovered from coronavirus infection, am I immune? And will Dettol deactivate coronaviruses? Chris Smith and Jeremy van Wyk answer your science questions... Like this podcast? Please help us by supporting the Naked Scientists
Cancel matches to combat coronavirus?
13 mars 2020 |
23 min
Coronavirus conundrum: how best to block to the spread of the virus. Also, we discuss insect and spider bites, why plastic is such a problem for the oceans, the Mpemba effect - why hot water might freeze faster than cold water - and whether vitamins and supplements can boost your immune system... Like this podcast? Please help us by supporting the Naked Scientists
What else do mosquitoes eat?
21 februari 2020 |
18 min
Do blood groups affect mosquito preference for who they bite? What else do mosquitoes eat when they are not drinking blood? What is anger? How do blood groups work? Why do things like smoke and dirt seem to preferentially aim for our eyes? Is wildlife thriving around Chernobyl? And how far aloft is the sky blue? Join Kieno Kammies and Dr Chris Smith for the answers... Like this podcast? Please help us by supporting the Naked Scientists
What's gut instinct?
14 februari 2020 |
16 min
This week, we answer Paul's question about the size of a diamond you could make with the carbon in a piece of coal, we discuss where butterflies in your stomach come from, discuss the basis of gut instinct, and ask how much magnesium you need and how the body absorbs it. Join 567 CapeTalk's Kieno Kammies and Dr Chris Smith to find out... Like this podcast? Please help us by supporting the Naked Scientists
Did the new coronavirus come from pangolins?
10 februari 2020 |
14 min
Data on the Chinese emerging coronavirus and did it come from pangolins? Why does glassware look more shiny when wet? How does the body fight off viral infections? And what happens when you freeze breast milk? Talk Radio 702's Azania Mosaka and Dr Chris team up to Ask the Scientist! Like this podcast? Please help us by supporting the Naked Scientists
How long do viruses linger in the air?
7 februari 2020 |
23 min
What's the latest on the coronavirus situation? Do facemasks protect against viruses? Can we use nuclear bombs to combat climate change? Are artificial diamonds valuable? How long do viruses persist in the environment? What is WiFi sensitivity? Why does the Sun resemble popcorn in photographs? And why can I hear my sonic pest repeller? Dr Chris and 567 Cape Talk's Lester Kiewit for the answers... Like this podcast? Please help us by supporting the Naked Scientists
How many megapixels is my eye?
24 januari 2020 |
16 min
This week, what's the resolution of the human eye? Would nanobots be attacked by our immune systems? How small would a squash ball lump of coal be if you squished it into a diamond? Why do propellers look like they change speed, or even go backwards? And why do men's hairlines recede? Plus in the news, what's happening with this new coronavirus in China? Dr Chris chats with Kieno Kammies... Like this podcast? Please help us by supporting the Naked Scientists
Only one of my bottles of water froze
17 januari 2020 |
24 min
This week, why only one bottle of water froze while others remained liquid; do hot drinks cool you down? What's phlegm and is it safe to swallow? Is human body temperature changing? How did the NASA student intern discover an exoplanet? Are fizzy drinks safe for diverticular disease? And what's the ideal healthy diet for a human? Join Dr Chris and Kieno Kammies to find out... Like this podcast? Please help us by supporting the Naked Scientists
Can bacteria eat plastic?
10 januari 2020 |
24 min
This week, will a walk benefit my waistline; can bacteria eat plastic? Is it just humans that get prostate cancer? What limits the length of body hair? What's the physics of making a cricket ball swing? Can you combat male pattern baldness? And do sleep requirements change with age? Join Dr Chris and Kieno Kammies to Ask! The Naked Scientist and find out... Like this podcast? Please help us by supporting the Naked Scientists
What causes floaters in your eyes?
3 januari 2020 |
25 min
Welcome to 2020! And in our first show out of the gate this decade, we explore the science of excessive sweating; how you can get an egg within an egg; why dirty and clean water don't instantly mix; why people in the opposite hemisphere aren't upside down, what are eye floaters, and why does pressing on my eyes make me see bright lights? Join Dr Chris and 567 CapeTalk's Kieno Kammies to find out... Like this podcast? Please help us by supporting the Naked Scientists
Where do road corrugations come from?
20 december 2019 |
18 min
How might a sore throat be linked to a hear problem? Are elevated toilet cisterns better at flushing the toilet? What's your take on aliens and the paranormal? What are diabetes and coeliac disease? Why does my husband yawn so much? And where do road corrugations come from? Join Dr Chris and CapeTalk 567's Melanie Rice to find out! Like this podcast? Please help us by supporting the Naked Scientists
Virus vs bacterium: what's worse?
13 december 2019 |
17 min
What's an exponential dilemma? Why do copper bangles make your wrist go green? What causes hot flushes associated with menopause? Which is worse, viruses or bacteria? Why put power points at floor level? Can ketamine be used to treat mental illness? And why don't the bubbles from cracked joints cause an air embolism? Join Dr Chris and Kieno Kammies for the answers... Like this podcast? Please help us by supporting the Naked Scientists
Is mercury in vaccines safe?
9 december 2019 |
18 min
Why are preservatives, including mercury compounds like thiomersal, added to vaccines? What is "invert sugar" and is it better for my teeth? How does is "aquamation" - the alkaline hydrolysis equivalent of a cremation - work? Is crude oil the same stuff everywhere, or does the composition vary? Can you clean your teeth with bicarbonate of soda? Why do knuckles crack? And what actually is "acidity". Join Dr Chris and Kieno Kammies for all the answers... Like this podcast? Please help us by supporting the Naked Scientists
How do hard water and soft water differ?
29 november 2019 |
15 min
How does water-based water-repellent paint work? Did a burger on top of my normally vegetarian diet cause my belly ache? Why has no one invented a silent vacuum cleaner? And if an egg yolk ruptures, does that mean the egg is bad? Also, why the obsession with electric cars: surely hydrogen is the future? How do hard and soft water differ? And can blue-eyed parents have a brown-eyed baby? Join Dr Chris and Kieno Kammies for the answers on this week's Ask! The Naked Scientists... Like this podcast? Please help us by supporting the Naked Scientists
Does Prince Andrew not sweat in nightclubs?
22 november 2019 |
21 min
Do flu jabs really work? What's a TB gland? Can Prince Andrew really not sweat? Why does pinching your nose halt a sneeze? How old is the Earth and how do we know? If dogs have such a keen sense of smell, why get so close to a turd to sniff it? Why does tiredness cause bags under the eyes? And what's the best time of day to clean teeth, morning or night? Want to know the answer, join Dr Chris Smith and Kieno Kammies to find out... Like this podcast? Please help us by supporting the Naked Scientists
Does swimming after lunch really cause cramp?
15 november 2019 |
18 min
This week we're exploring why swimming on a full stomach might cause a cramp, whether it's really true that joints ache more when the weather's cold, and why does tapping the top of a beer bottle make the drink explode? Plus, why do aeroplanes fly high if there's less oxygen for the engines and less air for lift? And why does a child's hair often darken as they age? Join Dr Chris and Kieno Kammies for this week's Ask the Naked Scientist, to find out! Like this podcast? Please help us by supporting the Naked Scientists
Are bananas sterile inside?
8 november 2019 |
24 min
What are the medical risks and benefits of silver? Is what I call a smell the same experience for you? And why do some things smell appealing, but not others? Does engine oil have a best-before date? And why do metal insulin needles have a use-by date? What makes body odours attractive? Is the inside of a banana sterile? And how do scientists find the medical properties of plants? Like this podcast? Please help us by supporting the Naked Scientists
Where would a bullet fired in space end up?
1 november 2019 |
26 min
Does holding a car remote to your head really improve its range? What would happen to a bullet fired off the International Space Station? How did a marble make a hole smaller than itself in my window? Are mobile phone towers safe? Why does egg white go white when whipped? Why is colour blindness more common in men? And is toast bad for you? Join Dr Chris and Kieno Kammies for the answers to these and other cool science questions... Like this podcast? Please help us by supporting the Naked Scientists
Will salt make my pasta cook quicker?
25 oktober 2019 |
20 min
Why is salt needed in an old-fashioned ice-cream maker? Are gravity and electromagnetism the same, and could we build a big enough electromagnet to repel the Moon? Are some stars no longer where we see them? Does salt make water boil hotter and hence will my pasta cook quicker? Why do distant lights twinkle? How does an air conditioner work? Why do my ear-buds make me cough when I insert them? What causes my microwave oven to interfere with my WiFi and Bluetooth? Is it possible to re-magnetise the magnet on the bathroom cabinet? Can we use light to propel a spacecraft? And why do we find our... Like this podcast? Please help us by supporting the Naked Scientists
What actually is a shooting star?
22 oktober 2019 |
19 min
Is it ethical to grow a brain organoid in a dish? What's a shooting star? Do food preservatives build up in the body? What is cancer and why is it so tricky to treat? Why doe staring at a mobile phone screen cause car sickness on a long journey? Join Dr Chris and 702's Azania Mosaka and Ask! The Naked Scientists to find out... Like this podcast? Please help us by supporting the Naked Scientists
Can you suffocate under a duvet?
18 oktober 2019 |
19 min
Why does alcohol affect different people differently? What's the difference between white and brown sugar, and is the brown form healthier? Can you suffocate under a blanket? Why have only 28 days in February? Why do wind turbines have long thin blades but room fans use shorter wide blades? Does diluting alcoholic drinks affect how drunk you become? Why is some metal okay in the microwave but other metallic objects make sparks? Join Dr Chris and 567 Cape Talk's Kieno Kammies for this week's crop of questions. As they say - don't know the answer? Ask the Naked Scientists! Like this podcast? Please help us by supporting the Naked Scientists
How does the brain work?
10 oktober 2019 |
18 min
What will phenomics do for medicine? Is the limbic system in conflict with the brain's pre-frontal cortex? How does the brain actually work? And what is consciousness? Join Dr Chris and Talk Radio 702's Azana Mosaka to "Ask! The Naked Scientists" and answer your science questions... Like this podcast? Please help us by supporting the Naked Scientists
What does 2 degrees warming mean?
27 september 2019 |
21 min
What makes a brain creative? How do viruses, and the flu, evolve? When did ancient civilisations realise there were 365 days in a year? Has the LHC discovered new dimensions yet? Why does 2 degrees of global warming matter? Can memory be improved? Join Dr Chris and Cape Talk's Kieno Kammies as we Ask! The Naked Scientists! Like this podcast? Please help us by supporting the Naked Scientists
Why won't vaseline melt in the microwave?
20 september 2019 |
20 min
This week: plummeting bird populations; the global climate strike; whether blood-letting benefits high blood pressure; why vaseline won't melt in the microwave; how pilots land planes even though the Earth is spinning; how birds pattern their plumage; why your nose runs when you wake up; what causes morning breath, and why would a car use more fuel driving a journey on the outward leg compared with the return journey? Join Dr Chris and 567 Cape Talk's Kieno Kammies as we Ask! the Naked Scientists... Like this podcast? Please help us by supporting the Naked Scientists
Why am I addicted to eating toilet paper?
11 september 2019 |
21 min
Is flying a threat to glaucoma? Do blood groups affect diet? Is 5G harmful to my health? Why do cats have vertical pupils? What is candida infection and how can I treat it? Does speaking quickly actually communicate more information? Why am I addicted to eating toilet paper? Is the new 5G data network a health hazard? Join Dr Chris Smith and Talk Radio 702's Azania Mosaka as they strip down your science questions... Like this podcast? Please help us by supporting the Naked Scientists
Do wild animals snore?
6 september 2019 |
19 min
Chris Smith from the Naked Scientists takes on YOUR questions. What's the link between humidity and temperature? Is cooked meat or food healthier than the raw version? Why does the moon always have the same face pointing towards the Earth? Why do you feel like you're breathing in cold air after eating a menthol sweet? Why do we open our mouths when putting on makeup? Why are some people more susceptible to side effects of medication? Do wild animals snore? Like this podcast? Please help us by supporting the Naked Scientists
How long does a body take to decompose?
30 augusti 2019 |
22 min
How long does a body take to decompose? Why is spinach difficult to digest? How can you find natural water sources? Can stem cells repair retinitis pigmentosa? Does tolerance of temperatures change with race? Dr Chris answers the science questions you've always wondered about... Like this podcast? Please help us by supporting the Naked Scientists
What is the Earth's murmur?
23 augusti 2019 |
4 min
Chris Smith from the Naked Scientists takes on YOUR questions. Why do you sometimes see a half moon at sunrise? Why do some body hairs never go grey? Could a coin falling from the top of the Empire State Building kill you? What is the Earth's murmur? Why do effects from nuclear disasters like Chernobyl persist for many years? Does the amount of UV from the sun vary between different countries? Why do beans and sprouts make you pass gas? If a volcanic eruption as big as Krakatoa happened today and filled the atmosphere with ash, how long would planes be unable to fly? Could a person survive in... Like this podcast? Please help us by supporting the Naked Scientists
Are magnets a good source of electricity?
16 augusti 2019 |
19 min
Chris Smith from the Naked Scientists takes on YOUR questions. Can you use magnets as a source of electricity? Does chemotherapy make you lose hair from other parts of your body alongside your head? Can your brain adjust to seeing upside down by flipping your vision? Does leaving your car heater on in winter make you sick? Why does a microwave cook meat starting on the outside, but butter starting on the inside? Why does tinfoil not get hot in the microwave? Plus, the Australian National Phenome Centre - a project that could revolutionise healthcare... Like this podcast? Please help us by supporting the Naked Scientists
Why do birds swoop in front of cars?
4 augusti 2019 |
17 min
Chris Smith from the Naked Scientists takes on YOUR questions. Why do men go bald on the tops of their heads first? Do we really share 50% of our DNA with bananas? Why do birds swoop down in front of cars? Is there such a thing as tuberculosis of the spine? How is it you can tell people are looking at you out of the corner of your eye? Plus, the seagulls that are carrying antibiotic-resistant bacteria... Like this podcast? Please help us by supporting the Naked Scientists
Do dogs recognise their reflections?
26 juli 2019 |
21 min
Chris Smith from the Naked Scientists takes on YOUR questions. Do dogs recognise themselves in the mirror? Why is the sky blue? Why doesn't mitochondrial DNA recombine like other DNA, and does it run into problems with natural selection? Why did my tracksuit give me an electric shock? Would planting trees prevent climate change? Plus, Chris reflects on almost twelve years of questions on Talk Radio 702... Like this podcast? Please help us by supporting the Naked Scientists
Is the Moon a piece of planet Earth?
19 juli 2019 |
26 min
This week, on its 50th Anniversary, Dr Chris reflects on the Apollo 11 Moon landings, explores the basis of Bell's Palsy, explains the origins of an itch, and asks if wheat is bad for you. We also discuss the microbiome and food intolerance, why burned food tastes great but could give you cancer, whether Tourette's would be a good excuse for being caught speeding, why radio signals are out of sync through different devices, and if the Moon is a piece of planet Earth. As always, if you want to know the scientific answer... Ask the Naked Scientists! Like this podcast? Please help us by supporting the Naked Scientists
Are we really related to Neanderthals?
12 juli 2019 |
20 min
Chris Smith from the Naked Scientists takes on YOUR questions. Why might someone with diabetes lose a limb? How can you predict a dangerous solar flare? Are humans really related to Neanderthals? Do we love water because we evolved from the ocean? What percentage of our brains do we really use? What causes shingles, and what's the best way to treat it? Which parts of the brain are affected when you're stressed, and can cannabis help with stress relief? Plus, the 'smart' insulin that could mean the end of insulin pens... Like this podcast? Please help us by supporting the Naked Scientists
Can local honey cure hay fever?
5 juli 2019 |
24 min
Chris Smith from The Naked Scientists takes on YOUR questions on Cape Talk. Do we need an appendix? How does the Sun burn when there's no oxygen in space? How much water is lost in tinned goods? How can damaged fingertips grow back? Does bloodtype indicate whether a tattoo will fade? Was Einstein's brain different from most? Can local honey cure hayfever? Which form of transport is best for the planet? Are the continents drifting? Plus, we successfully launched your screams into space! Like this podcast? Please help us by supporting the Naked Scientists
Why do humans have cannabis receptors?
3 juli 2019 |
19 min
Why do flies exist? Could sound propel a spaceship? Why do humans have receptors for tetrahydrocannabinol in their brains? How do cars calculate their fuel consumption? And is all life descended from bacteria? Plus, we report on the recent discovery of a plume of methane on Mars: what does this mean for the likelihood of finding life on the red planet? Like this podcast? Please help us by supporting the Naked Scientists
Do microwaves damage food?
27 juni 2019 |
23 min
Why do achilles tendons snap, and can they be strengthened? Are gingers disappearing? Why does crying make your voice shake? Why can't we accurately predict the weather? Do microwaves damage food? Why does my eyelid twitch sometimes? What is burn-out? Is it normal to feel groggy some days? How important are lymph nodes? Like this podcast? Please help us by supporting the Naked Scientists
Why does alcohol make me dizzy?
26 juni 2019 |
21 min
This week we discuss the Naked Scientists experiment to test a scream in space, explain why some people sneeze so loudly, ask where standard weights and measures came from, hear why singing makes it easier to remember the words, and find out why the Chernoble power station exploded, why alcohol makes you drunk, and the basis of optimism... Like this podcast? Please help us by supporting the Naked Scientists
Why do we hum?
20 juni 2019 |
25 min
Chris Smith from The Naked Scientists takes on YOUR questions. Can contact eyes make your eyes better than perfect vision? How intense can deja-vu be? Why do we hum? Why are there more jetstreams in the Northern Hemisphere? Why doesn't armpit hair grow like head hair? Why are mushroom clouds mushrooms? Can you be allergic to electricity? And why does gravity attract mass? Plus, they say in space, no one can hear you scream, how true is that... Like this podcast? Please help us by supporting the Naked Scientists
Why does water bubble when it boils?
19 juni 2019 |
20 min
Join Africa Melane and Dr Chris for this week's round-up of science questions from the South African Cape, including why we can open the doors of a helicopter but not a passenger plane when it's flying, why water bubbles when it boils, what's the best position for sleeping, why fog rises from a lake surface on a cold day, and why boxers shouldn't blow their noses. Plus news of the world's first cannabis consumption... Like this podcast? Please help us by supporting the Naked Scientists
Why do bright lights trigger sneezes?
13 juni 2019 |
20 min
Chris Smith from The Naked Scientists takes on YOUR questions with Eusebius McKasier from talk radio 702. Could gravity from my first-floor apartment impact my sleep patterm? Why do hearts beat faster when we're excited? What are the consequences of dental surgery? Is prejudice carried in DNA? How does a master-key work? Does exercise and breathing more oxygen increase the ageing process? Why do bright lights cause sneezes? Plus, the single use plastic that saved endangered snails in Bermuda. Like this podcast? Please help us by supporting the Naked Scientists
Do anti-ageing creams really work?
12 juni 2019 |
19 min
For CapeTalk this week, Dr Chris explains what causes stomach butterflies, whether honey is healthier than sugar, why fog lifts, how to keep your memory in tip top condition, how much the Earth weighs, whether fish need to drink water, why cannabis makes some people feel creative, and whether anti-ageing skin creams actually make you look younger... Like this podcast? Please help us by supporting the Naked Scientists
Why do we blush?
6 juni 2019 |
20 min
Chris Smith from The Naked Scientists takes on YOUR questions with Eusebius McKasier from Talk Radio 702. Would a brain transplant keep someone's memories? Why do we blush? Is it bad to exercise when ill? How do you lose a sense of smell? Can it return? What is the difference between IQ and EQ? Why do we have three sets of DNA? With some questions from the BIO conference in Philadelphia. Like this podcast? Please help us by supporting the Naked Scientists
Were early humans vegetarians?
23 maj 2019 |
21 min
Chris Smith answers YOUR questions with Pippa Hudson.... Why does temperature change food flavour? Does the full moon impact the human body? Why do car wheels move in reverse in films? Were early humans vegetarians? Can you produce electricity in a vacuum? Does Vitamin-C cure a cold? Do 5G networks affect health? Plus, celebrating 100 years of Arthur Eddington and the eclipse that made Einstein's laws of gravity famous. Like this podcast? Please help us by supporting the Naked Scientists
Why do we cough?
16 maj 2019 |
22 min
Chris Smith answers the questions you've been sending in... Could we use charged liquid for electric cars? Why do beds feel cold and not room temperature? What causes climate change? How efficient are batteries? Why do we cough? Why do chillies give me hiccups? Plus, sea explorers find plastic in the most remote part of the ocean. Like this podcast? Please help us by supporting the Naked Scientists
Why do cats purr?
2 maj 2019 |
22 min
Chris Smith from The Naked Scientists takes on YOUR questions with Africa Melanie from CapeTalk. Why can only some animals be domesticated? Why do cats purr? Can senses change after surgery? Why don't I have a runny nose during sleep? How old is moon dust? Why do scars last until old age? Plus scientists detect a black hole that's munching on a neutron star... For more podcasts by The Naked Scientists, head to nakedscientists.com/podcasts.PLUS, you can follow the team on Instagram, Twitter and Facebook; @nakedscientists. Like this podcast? Please help us by supporting the Naked Scientists
What causes cyclones?
25 april 2019 |
18 min
Chris Smith from The Naked Scientists takes on YOUR questions with Eusebius McKaiser from Talk Radio. Is the Earth flat? Does cannabis have a healing effect? Can stem cells repair skin overgrowths? What causes cylones? Why can I hear sounds when my head is against a pillow? Why do stars look stationary from Earth? Can stem cells repair eye conditions? Plus the news story that kicked off all the stem cell questions; the new technique that repairs wounds faster. For more podcasts by The Naked Scientists, head to https://www.thenakedscientists.com/podcasts.PLUS, you can follow the team on... Like this podcast? Please help us by supporting the Naked Scientists
Will a comet crash into Earth?
11 april 2019 |
18 min
Chris Smith from The Naked Scientists takes on YOUR questions with Eusebius McKaiser... Why do my nails hurt after I remove nail polish? What does GI mean? Do black holes stop the universe expanding? How are flight routes planned? Will a comet crash into Earth? Why do I get electric shocks from my car? Plus, the first ever image of a black hole! For more podcasts by The Naked Scientists, head to https://www.thenakedscientists.com/podcasts You can follow the team on Instagram, Twitter and Facebook. Like this podcast? Please help us by supporting the Naked Scientists
Can computers develop consciousness?
4 april 2019 |
21 min
Chris Smith from The Naked Scientists takes on YOUR questions with Eusebius McKaiser from Talk Radio 702. Can we use energy from nuclear fusion yet? Is the water in our atmosphere the same as in a river? Can computers develop consciousness? Why do some people think the Earth is flat? Why are clouds different colours? Why is a plane's black box indestructible? Why do hot baths make me dizzy? Plus scientists strap cameras on to Great White Sharks to keep them safe! Like what you hear? Why not support The Naked Scientists by leaving a review. For more chatty science head to... Like this podcast? Please help us by supporting the Naked Scientists
Could we live on Mars?
29 mars 2019 |
37 min
Chris Smith takes on YOUR questions in a bumper edition of Ask! The Naked Scientists. How long do dreams last? How did Einstein measure the speed of light? Could we live on Mars? What is sleep paralysis? Could an asteroid hit and travel underground? What is a sonic boom? Can you change your subconscious? Could a falling bullet injure you? How does carbon harm our environment? Could we have wireless electricity? Why did the continents break apart? Plus, how plants can still function with less water.For more podcasts by The Naked Scientists, head to https://www.thenakedscientists.com/podcasts.... Like this podcast? Please help us by supporting the Naked Scientists
Why do men have nipples?
22 mars 2019 |
18 min
Chris Smith from The Naked Scientists takes on YOUR questions with Eusebius McKaiser from 702 Cape Talk. Why is the sun's halo hotter than its surface? Why do ice cubes crack when you add water? Why do men have nipples? How do noise-cancelling headphones work? Can you implant genes to become immune to HIV? Can batteries prevent power cuts in South Africa? Plus we say Hello Tomorrow! Chris explains the latest and greatest technology showcased at a recent conference in Paris. For more podcasts by The Naked Scientists, head to https://www.thenakedscientists.com/podcasts.PLUS, you can follow the... Like this podcast? Please help us by supporting the Naked Scientists
Are horseshoes unlucky in a thunderstorm?
8 mars 2019 |
23 min
Chris Smith from The Naked Scientists takes on YOUR questions. What would happen if a horse with metal shoes on was struck by lightning? How was DNA code devised? Could electricity go wireless? How much calcium is in a cup of tea? Why can slime change colour with heat? Is second hand smoke from e-cigarettes harmful? Does NASA still have contact with Voyager? How can goats climb mountain sides? Plus, the new wireless technology allowing more cuddles for premature babies. For more podcasts by The Naked Scientists, head to nakedscientists.com/podcasts. PLUS, you can follow the team on Instagram,... Like this podcast? Please help us by supporting the Naked Scientists
How do I win the lottery?
1 mars 2019 |
23 min
Chris Smith from The Naked Scientists takes on YOUR questions with Eusebius McKaiser from Talk Radio 702. How are buildings demolished? How do you win the lottery? Do aliens exist? Is breast milk best? Does it rain more in rocky areas? Why did life evolve and replicate? Can transplants resolve genetic syndromes? Plus, scientists turn carbon dioxide into coal. Like this podcast? Please help us by supporting the Naked Scientists
Are we getting smarter?
22 februari 2019 |
23 min
Chris Smith from The Naked Scientists takes on YOUR questions. Why are hail stones different sizes? Why do my palms get sweaty? Why do animals moult? What happens if you stop eating sugar? and more. Plus flicking the suicide switch on tuberculosis. Like this podcast? Please help us by supporting the Naked Scientists
What's CERN all about?
15 februari 2019 |
21 min
What's CERN all about? What is epigenetics, and how is it different to genetics? Why doesn't ice always freeze clear? How does carbon capture work? Why do my eyes go red when I'm drunk? Plus in the news, a new kind of painkiller. Like this podcast? Please help us by supporting the Naked Scientists
Will Japan retrieve an asteroid sample?
8 februari 2019 |
30 min
The Japanese mission to bring back a sample of an asteroid, are changes in Earth's magnetic field linked to climate change, what causes tip-of-the-tongue experiences when you cannot remember a word, why does the Moon look much larger on the horizon, how do farts form and can farts be harnessed to power things? And is a TV screen next to my bed bad for me? Will mobile phone use do me harm? Why flowers and chocolates for Valentine's Day? Join Dr Chris for this week's crop of questions and answers... Like this podcast? Please help us by supporting the Naked Scientists
Can marijuana kill cancer?
1 februari 2019 |
18 min
Does marijuana help with cancer? How can one sibling be smart and another be stupid? Are we alone in the Universe? Can vitamin D kill cancer? Plus, male contraception. Like this podcast? Please help us by supporting the Naked Scientists
Why do we get butterflies?
25 januari 2019 |
19 min
Why do we get butterflies in our stomach? Why is singing in tune difficult? What does vitamin K do? Is aluminium foil safe? How do you measure metres above sea level? Can cold water make you wee more? Like this podcast? Please help us by supporting the Naked Scientists
Is the sky really blue?
18 januari 2019 |
18 min
Is the sky actually blue? Does petrol go off? What causes myeloma? Why are chicken eggs different colours? If salt melts ice, why are icebergs frozen? Like this podcast? Please help us by supporting the Naked Scientists
Do animals get jet lag?
11 januari 2019 |
24 min
Why does dog poo change colour? What happens to the brain when we're sleeping? Do animals also get jet lag? Is time travel possible? Like this podcast? Please help us by supporting the Naked Scientists
How do they get the stripes into toothpaste?
4 januari 2019 |
23 min
How do you measure time when traveling close to light speed? How do you predict the weather? Why don't zebras look dirty? How do they get the stripes into toothpaste? Why do wheels look like they spin backwards? Why can some people move their ears? Like this podcast? Please help us by supporting the Naked Scientists
Why does chilli make my head itch?
21 december 2018 |
20 min
Why don't birds get electrocuted on an electric fence? Why do I want to sing along to tunes I know? Does a cut onion soak up toxins from the air? Is Everest really the tallest mountain? Why does chilli make my head itch after I've shaved off my hair? What's the prospect of terraforming Mars? And can women synchronise their periods? Plus, news of the New Horizon's probes fly-by of Kuiper Belt Object (KBO) Ultima Thule, with Chris Smith and Eusebius McKaiser... Like this podcast? Please help us by supporting the Naked Scientists
Why do I appear upside down in a spoon?
14 december 2018 |
24 min
Why do I appear upside down in a spoon? Is the Universe getting bigger or smaller? What would Earth be like if we had two moons? What's the atomic weight of silver? Why does my bum tingle when I get my hair cut? If water can expand why can't it compact? Why do animals never run in a straight line? Like this podcast? Please help us by supporting the Naked Scientists
Can I catch germs from a cockroach?
30 november 2018 |
27 min
Can I catch germs from cockroaches? How does the shape of the ear tell you where something is? If the Universe is expanding, is it being pushed or pulled? Is rain water better for crops than irrigation? What's the difference between macro and micro evolution? Do men enjoy spice more than women? Like this podcast? Please help us by supporting the Naked Scientists
Can we create blood in the lab?
23 november 2018 |
19 min
How do we tell where a sound is coming from? Why does wine taste differently after many years? Why can't we manufacture blood? Why was Pluto downgraded? Plus, a new blood test for cancer. Like this podcast? Please help us by supporting the Naked Scientists
What is spooky action at a distance?
16 november 2018 |
21 min
How do mosquitoes find you in the dark? How do muons reach the earth? Do long-term partners end up looking alike? What is spooky action at a distance? Why do things go black when they're burnt? Why can I hear rain all the time? Plus, redefining the kilogram. Like this podcast? Please help us by supporting the Naked Scientists
What causes double rainbows?
9 november 2018 |
21 min
What is deja vu? Why do certain magnets attract? Why do tea stains form in a ring? Can you scientifically work out someone's date of birth? How does mercury and lead stay in your body? Do mermaids exist? Do helium balloons defy gravity? What causes a double rainbows? Why does oxidised cholesterol cause heart attacks? Plus the life saving backpack for bees! Like this podcast? Please help us by supporting the Naked Scientists
Can phantom limb pain be treated?
2 november 2018 |
23 min
Can overhead electrical cables interfere with radio signals? Are diesel and petrol made differently? What is a vasectomy? Can phantom limb pain be treated? Are memories passed on through your genes? How much water does it take to boil an egg? Can surgery fix collapsed vertebrae? Is a woman genetically related to her child who was concieved with a donor egg? Plus, scientists help people potentially paralysed with spinal chord injury to walk again. Like this podcast? Please help us by supporting the Naked Scientists
Why do we need sleep?
25 oktober 2018 |
19 min
Why do we need sleep? How do tides work? Could aliens already be here that we simply can't detect? Plus, how being bird-brained isn't such a bad thing. Like this podcast? Please help us by supporting the Naked Scientists
Can humans slow down time?
11 oktober 2018 |
23 min
How do scientists calculate the mass and velocity of planets? Why does time slow down during accidents? Is table salt bad for us? Why do cockroaches end up on their backs when they die? Will other primates become human? Plus, a lumpy Earth! Like this podcast? Please help us by supporting the Naked Scientists
How did life begin on Earth?
4 oktober 2018 |
22 min
Is our galaxy moving around? How did life begin? Why do my feet only sometimes sweat? How do you explain the big bang? Why do people think the moon landing was faked? Where does foam on the sea come from? Plus, the Nobel prizes! Like this podcast? Please help us by supporting the Naked Scientists
Do paternity tests work on identical twin fathers?
27 september 2018 |
17 min
Do serious hurricanes only occur in the Northern hemisphere? Is the Y chromosome a mutated X chromosome? Does a blood transfusion change your DNA? Plus, the gene drive on the most dangerous animal in the world; the mosquito. Like this podcast? Please help us by supporting the Naked Scientists
How can smoking marijuana affect your health?
20 september 2018 |
20 min
How do we know the earth is round? Why do some people make noises during sex? Why do crabs move sideways? Why are some parts of the sea violent with lots of waves, whereas others aren't? How can smoking marijuana affect your health? How can some female bees reproduce without males? What causes motion sickness? And why do some females grow facial hair? Plus, scientists in Australia have uncovered evidence of the earliest animal... Like this podcast? Please help us by supporting the Naked Scientists
How dangerous are shisha pipes?
13 september 2018 |
21 min
Does Mars have layers like Earth? Is shisha dangerous? Why does cold water make my toothache worse, but cold beer doesn't? Does cleaning vegetables with baking powder work? Do any two humans have the same fingerprint? Why do I sleep talk? Like this podcast? Please help us by supporting the Naked Scientists
What makes strange quarks strange?
7 september 2018 |
19 min
What is so strange about a strange quark? Why do I sweat when I'm eating? Why don't things weigh more on Everest? Why does my speedometer in my car and app show different things? How does a heat shield work? How does alcohol affect people of different sizes? Chris Smith takes on your questions and more in this week's episode of Ask! The Naked Scientists... Like this podcast? Please help us by supporting the Naked Scientists
Can atoms die?
30 augusti 2018 |
24 min
Can atoms die? How does fasting influence diabetics? If you burn polystyrene is it dangerous? Is it possible to grow trees on Mars? How important is fat for baby brains? How long before the planet is overpopulated? Do butterflies taste with their feet? Like this podcast? Please help us by supporting the Naked Scientists
Why do galaxies spin?
23 augusti 2018 |
23 min
Do galaxies turn clockwise or anticlockwise? What's the difference between dark matter and dark energy? Why do older people have quivering voices? Why is our planet called Earth? How do bionic eyes work? Like this podcast? Please help us by supporting the Naked Scientists
Why do women live for longer than men?
16 augusti 2018 |
22 min
Why do women live longer than men? How do birds fly in a group? Why do loose stones hit my windshield? Why are some cremated ashes white and others grey? What's the point of a sneeze? Plus, engineering better batteries. Like this podcast? Please help us by supporting the Naked Scientists
Are Phobias Hereditary?
10 augusti 2018 |
20 min
Are phobias hereditary? Does hair grow after death? Do we really share 5% of DNA with Neanderthals? Why do some people have such good memories? Why is the sea salty? Could we lock away all the carbon dioxide? And also, how to stop the body absorbing dietary fat.... Africa - Dr Chris Smith joining us on the line. It's always a pleasure to talk to you when I can. Chris good morning,Chris - Hey Africa, it's good to catch up again.Africa - It is indeed. Let's start off with this interesting story out this week about a blocking of the uptake of fat in the intestine which could be a game changer, I... Like this podcast? Please help us by supporting the Naked Scientists
How are stars born?
3 augusti 2018 |
21 min
Why are some stars second generation? Why is yawning contagious? Why is the moon moving away from us? What causes lag on live broadcasts? Why can't you put metal in a microwave? How do stars form? Plus, organ transplant discovery. Chris Smith joins Eusebius McKaiser to find out... Eusebius - Our science story is a fascinating one. Bioengineers - how close are they to lab-grown lungs?Chris - Yeah amazing this isn't it? We know that millions of people around the world need organ transplants. We know that thousands, if not tens of thousands, if not hundreds of thousands of people die waiting on... Like this podcast? Please help us by supporting the Naked Scientists
Why does marijuana cause the munchies?
26 juli 2018 |
20 min
Can we harness the power of the ocean for electricity? Why are some people lucky? Can I stop my plant from fruiting? Why do my eyes go red when I smoke a joint? Are cigarettes or joints worse for you? Plus, water on Mars. Like this podcast? Please help us by supporting the Naked Scientists
Can we harness the power of lightning?
19 juli 2018 |
19 min
How much water do we lose in a day? What's the best way to drink a scotch? Can we harness the power of lightning? Can things move faster than the speed of light? Are things that burn totally destroyed? Could a cable run from earth to space to generate energy? Would exercise just before bed help weight loss? Can we have solar panels instead of windows? Plus, how does circumcising affect populations? Like this podcast? Please help us by supporting the Naked Scientists
Why Isn't Everyone Ambidextrous?
12 juli 2018 |
18 min
What is a near-death experience? How do you stop mosquitoes getting into water tanks? Why isn't everyone ambidextrous? What is Schrodinger's Cat? Why does elephant urine take so long to dry out on roads? How do we measure the distance to far away stars? Plus, finding a far flung source of neutrinos... Like this podcast? Please help us by supporting the Naked Scientists
Are GMOs harming my health?
5 juli 2018 |
26 min
How do seedless grapes reproduce? What causes serial womanisers? What's the fastest way to cool down a fire? Why does brewing tea for longer taste better? Why do gazelles all look the same? Can GMOs be harming my health? Plus, saving the Northern White Rhino. Like this podcast? Please help us by supporting the Naked Scientists
Why do we have body odour?
28 juni 2018 |
22 min
Why do we have body odour? Can weeds be useful? Could marine animals learn not to eat plastic in the ocean? How does your body warm up when you're swimming in cold water? Why does my dog twitch to a particular sound? If an aeroplane followed the path of a laser beam, would it end up in space? Is time just an illusion? Plus, the science behind a possible insulin pill. Chris Smith joins Eusebius McKaiser to answer your science questions... Like this podcast? Please help us by supporting the Naked Scientists
Why doesn't my snoring wake me up?
21 juni 2018 |
19 min
Why is there always room for dessert? Why doesn't my own snoring wake me up? What actually happens when we die? Why does my helium balloon get more squishy? Can humans really live for 200 years? What is vascular dementia? Like this podcast? Please help us by supporting the Naked Scientists
How does my brain store information?
7 juni 2018 |
22 min
Why can I hold off a bathroom stop when I'm driving? How does my brain store information? Why don't birds sitting on power lines get electrocuted? Why do bubbles in a bath disappear when the water gets cold? Why are rainbows such perfect arches? What causes an itchy backside in the middle of the night? Why have spiders never evolved wings? How do our bodies maintain a constant temperature? Plus, what exactly is going on with the volcano in Guatemala... Like this podcast? Please help us by supporting the Naked Scientists
Why is phosphorus important for life?
31 maj 2018 |
22 min
Do white rainbows exist? Why does putting cold hands in hot water itch so much? Do food additives cause cancer? How can you safely store breastmilk? How does race affect eye and hair colours? Plus, fighting off dementia by seeing your friends. Chris Smith joins Eusebius McKaiser to answer your science questions... Like this podcast? Please help us by supporting the Naked Scientists
Is Jurassic Park possible?
24 maj 2018 |
19 min
Could Jurassic Park be a reality? How did dinosaur blood survive for 65 million years? Why is volcanic gas poisonous? Is astrology scientific? What is the Universe expanding into? Like this podcast? Please help us by supporting the Naked Scientists
How does shark repellent work?
17 maj 2018 |
22 min
Why don't I sneeze during the night? Why do flammable liquids feel cold? Can you speed up meteors to help destroy them? What causes me to cry all the time? How do shark repellents work? Plus, a cure for the common cold! Like this podcast? Please help us by supporting the Naked Scientists
Does The Earth Have A Birthday?
26 april 2018 |
22 min
How can you reduce pain after surgery? Why do thick fluids wobble when poured? Why is the Earth's core molten? Plus, celebrating the 65th anniversary of discovering DNA. Like this podcast? Please help us by supporting the Naked Scientists
Why can't energy be created or destroyed?
19 april 2018 |
20 min
Can any organ get cancer? Why do mints make water feel cooler? Why do cockroaches face upwards when they die? What causes eye twitch? What's the best exercise after a hip replacement? How would high water pressue affect the body? Why is extreme cold as painful as extreme heat? Plus, developments are made with the first human head transplants... Like this podcast? Please help us by supporting the Naked Scientists
What came before the singularity?
12 april 2018 |
23 min
Why did my oven explode? Do nerves regenerate? What came before the singularity? Can an HIV-negative person transmit HIV? Should I complete a course of antibiotics? How do wine flies find my wine? Like this podcast? Please help us by supporting the Naked Scientists
What is the Universe expanding into?
23 mars 2018 |
22 min
Can I donate an organ if it was already donated to me? Why do I sweat asymmetrically? What's the difference between a sea and an ocean? What is the Universe expanding into? Plus, a new trial spells hope for curing macular degeneration. Like this podcast? Please help us by supporting the Naked Scientists
Are other animals conscious?
16 mars 2018 |
17 min
Can we treat eczema? Why can sour things taste before you eat them? Do testosterone levels spike during sex? Why didn't any other primates evolve high-intelligence? What is the difference between consciousness and intelligence? Plus, a farewell to Stephen Hawking. Like this podcast? Please help us by supporting the Naked Scientists
What wakes me up without my alarm?
9 mars 2018 |
23 min
How do our bodies digest all the different things inside us. What is a phantom pregnancy? Why do men get middle-age spread? How do I wake up without an alarm clock? When did white skin first evolve? Plus, a message in a bottle. Like this podcast? Please help us by supporting the Naked Scientists
What's the limit of human thinking power?
2 mars 2018 |
20 min
In a world of self drive cars would they have indicators? Why do you put sugar in before milk? Why are yawns contagious? How did butter come about? What's the limit of our brain capacity? Like this podcast? Please help us by supporting the Naked Scientists
How do planes stay in the air?
23 februari 2018 |
21 min
How does a plane take off and fly without falling? Why are feathers more colourful than fur? Why don't teeth grow back? How do male seahorses carry babies? Plus, using mini organs to test cancer therapies. Like this podcast? Please help us by supporting the Naked Scientists
How does GPS work?
9 februari 2018 |
22 min
Can you change the pH of your blood? How does GPS work? What causes nosebleeds? Why do we find falling funny? Plus, the smallest geneome sequencer to date. Like this podcast? Please help us by supporting the Naked Scientists
How can I remove salt from seawater?
2 februari 2018 |
20 min
How can I remove salt from my water? Why does bread go soft inside plastic bags? Will my ginger beer explode? Why does hose spray come out slower under water? Why do I jolt awake sometimes when I sleep? Plus...cutting whiskers off mice. Like this podcast? Please help us by supporting the Naked Scientists
Why are puppies cute?
26 januari 2018 |
19 min
What causes night cramps? Why is there a delay in audio and not video? How does a tortoise control its temperature? Does your heart stop when you sneeze? How deep is the ocean? Why do we go thirsty? Why do we find puppies cute? Plus, China successfully clones monkeys. Like this podcast? Please help us by supporting the Naked Scientists
Do blind people dream?
19 januari 2018 |
17 min
My wife and I eat the same food but our farts smell differently - why? Can people who are born blind dream? Why are bricks the shape of bricks? How do I explain infinity? Why do astronauts grow in space? Like this podcast? Please help us by supporting the Naked Scientists
Do elephants get cancer?
12 januari 2018 |
20 min
Is it true that elephants don't get cancer? Can science tell us how to be safe from tornadoes? Where does the rubber from tires end up? Why are tardigrades so amazing? How are sausage dogs so long? Does body size affect the perception of time? Like this podcast? Please help us by supporting the Naked Scientists
What would happen to someone born on Mars?
8 december 2017 |
20 min
Why does the sound a kettle makes change as it boils? Does a hot drink cool you down more than a cold drink? How does rice remove water from a mobile phone? What would happen to someone born on Mars? Why can't you hear accents in singers? Plus, how pollution affects birth weight.See more at www.nakedscientists.com Like this podcast? Please help us by supporting the Naked Scientists
Why is lightning jagged?
1 december 2017 |
22 min
Is the brain at birth empty? Why is farting funny? Does raw garlic cause stomach cancer? Why is lightning jagged? Can you fold the Universe? Is space dark? What is the difference between dementia and Alzheimer's? Like this podcast? Please help us by supporting the Naked Scientists
Is it Safe to Stand Near a Microwave?
24 november 2017 |
20 min
How does aspirin help with a headache? Does microwaving your food affect its nutritional content? What happens to eye drop bottles during a flight? How can we stop waste medicines leaking into the environment? Is it safe to stand near a microwave when it is in operation? Can we tell when someone is looking at us? Plus, in the news, cancer cells' bacterial passengers that could be a new target for treatment. Chris Smith answers your questions with Eusebius McKaiser on South Africa's Talk Radio 702... Like this podcast? Please help us by supporting the Naked Scientists
Is bottled water safe to drink?
17 november 2017 |
17 min
Why do some athletes seem to be more injury prone than others? Will bottled water grow algae? If you toast bread will it keep its nutritional value? Are palm trees good at cleaning the air? Like this podcast? Please help us by supporting the Naked Scientists
How do energy drinks affect us?
10 november 2017 |
23 min
Why don't I have fingerprints? Why do the helium balloons in my car move the opposite way to people? Do other moons face their planet at the same time? How do energy drinks affect your body? What makes a person left handed? Why do I sneeze when I look at the sun? Could a fly travel at lightspeed? Do you have to gender match a heart transplant? Like this podcast? Please help us by supporting the Naked Scientists
What is the speed of dark?
3 november 2017 |
23 min
If the body repairs itself, why do we die? Why does water come out of your eyes? Can galaxies exceed the speed of light? What is the speed of dark? What's the link between substance abuse and insomnia? How do I drive without paying attention? Do we understand stuttering? Plus, how gut bugs affect your cancer treatment. Like this podcast? Please help us by supporting the Naked Scientists
Is the Earth flat?
26 oktober 2017 |
20 min
What is the association of shingles and chicken pox? Is the earth flat? Why are berries red? Does drinking through a straw affect how drunk you are? Does hot water sound different from cold water? How do cats jump so well? How skin prevents damage. Like this podcast? Please help us by supporting the Naked Scientists
Why are rainbows curved?
19 oktober 2017 |
15 min
Why are rainbows curved? Why do you get double rainbows? Why are accents in Australia, England and America so different? Is a warp drive possible? Plus, the difference between good and bad cholesterol. Like this podcast? Please help us by supporting the Naked Scientists
Can we control lightning?
12 oktober 2017 |
17 min
How does my cat open doors? Why can't I pause the radio? What is lean muscle mass? Can lightning be manipulated? Can silver iodide control the weather? Plus three blind mice, now able to see! Like this podcast? Please help us by supporting the Naked Scientists
Why is ice sticky?
5 oktober 2017 |
19 min
When we doze off what causes that jolt? Do antidepressants cause swelling? Why is ice sticky? Can you carbon date a person? Can humans upload their consciousness to computers? What causes static shocks? Like this podcast? Please help us by supporting the Naked Scientists
What is sleep paralysis?
24 september 2017 |
19 min
Is Earth about to be wiped out by Planet X? Do animals indulge in same-sex relationships? Are B vitamins linked to cancer? Is rainfall from a hurricane fresh or salty water? Why do smokers light up over a coffee? Why do people with hypothermia sometimes undress? What's sleep paralysis? Join Dr Chris and Eusebius for all the answers as well as news of a new therapy for multiple sclerosis... Like this podcast? Please help us by supporting the Naked Scientists
How do airplanes land safely?
7 september 2017 |
21 min
Why do people scream when falling from buildings? How do bombs affect the environment? How do airplanes land safely? Why do people commit suicide, and can we prevent it? Plus, how frogs avoid poisoning themselves. Like this podcast? Please help us by supporting the Naked Scientists
Can we 3D print rhino horn?
31 augusti 2017 |
17 min
Can we 3D print rhino horn? What is a static shock? How do cats eat and purr at the same time? Where is the Universe expanding into? How do you recover from polio? Plus, a new treatment for leukemia. Like this podcast? Please help us by supporting the Naked Scientists
Why don't Animals Crossbreed?
24 augusti 2017 |
20 min
Can we eliminate flies and mosquitoes from our ecosystem and live in peace? When will the universe end? Do eggs with double yolks mean that two twins would have been born? Why don't animals such as lions and zebras cross-breed? Why is it best for women to have babies when they are younger? Does the direction that the water goes down a plug-hole change if you are in the Northern or Southern hemisphere? Is it possible to overcome a fear? Plus, news of a new discovery that bugs in your gut may be able to keep you healthier at old age. Chris Smith answers your questions with Eusebius McKaiser on... Like this podcast? Please help us by supporting the Naked Scientists
Can people spontaneously combust?
10 augusti 2017 |
22 min
Can people spontaneously combust? How do flowers know when it's day time? What causes static electricity? Should your blood type affect diet? Is there such thing as digital addiction? Can we get to Mars? Plus - how goldfish make their own alcohol. Like this podcast? Please help us by supporting the Naked Scientists
Why did both males and females evolve?
7 augusti 2017 |
19 min
Why are there different sexes? Why did males and females evolve? When you have been driving for a long time and then park your vehicle, why does it feel as though you are still moving? How did we evolve morality and ethics? What is the maximum current a petrol engine can produce? Can this be fatal? Plus, how night time light pollution is impacting pollination rates and fruit yields. Chris Smith answers your questions with Eusebius McKaiser on South Africa's Talk Radio 702... Like this podcast? Please help us by supporting the Naked Scientists
Is all sweat the same?
27 juli 2017 |
17 min
Why do people wake up at 3am after drinking? Why is hot water cloudy? What drives a gust of wind? How does a coil of wire produce electricity? Is sweat from your face different to sweat from elsewhere on your body? What is diverticulitis? Does putting a remote next to your head increase the distance over which it will work? Plus, a new surgical glue inspired by slug mucus. Chris Smith answers your questions with Eusebius McKaiser on South Africa's Talk Radio 702... Like this podcast? Please help us by supporting the Naked Scientists
Do plants hibernate?
20 juli 2017 |
20 min
Can the moon affect people's behaviour? Do you weigh less after you take a bath? Do gas heaters have any side-effects on our health? Are microwaves dangerous? Plus, new electronic batteries based on the pulley mechanism that will last much longer. Chris Smith answers your questions with Eusebius McKaiser on South Africa's Talk Radio 702... Like this podcast? Please help us by supporting the Naked Scientists
Why isn't Roger Federer's right arm twice the size of his left?
13 juli 2017 |
20 min
Kicking off with a look at why coffee might make you live longer, Dr Chris and Eusebius explain why Roger Federer's right arm isn't twice the size of his left? How aeroplane wings form vapour trails around the wing tips, why babies kick in the womb but seem to do little after they are born, and how a crocheted blanket, or a string vest, keep you warm despite being full of holes. Plus, what was the giant iceberg that broke off recently from the Antarctic ice sheet, if the Universe is expanding, why do some galaxies collide, why do aeroplanes have black boxes when they could rely of satellite... Like this podcast? Please help us by supporting the Naked Scientists
Why are some people ticklish?
6 juli 2017 |
22 min
What can a person do about restless leg syndrome? Why does data expire? Why do our tummies rumble? Why are some people ticklish? Why do people grind their teeth? How do pills know where to go? Like this podcast? Please help us by supporting the Naked Scientists
Could Your Weight Affect Your Flu Vaccine?
29 juni 2017 |
20 min
Could your weight affect how well your flu vaccine works? Is too much sparkling water bad for you? Why does head hair lose colour as you age, but other body hair doesn't? Why do spaceships have to travel so fast in the Earth's atmosphere? Is there a link between some vaccinations and autism? Why has there been a rise in fake news? And itching - what causes it and why does it sometimes seem to wander round your body? Plus, implanting magnets in the eye to help with nystagmus - so-called dancing eyes. Chris Smith answers your questions with Eusebius McKaiser on South Africa's Talk Radio 702... Like this podcast? Please help us by supporting the Naked Scientists
Why do people have different accents?
15 juni 2017 |
19 min
How do horses have such strong muscles if they never eat any proteins? When dogs wag their tails is this voluntary or involuntary? Does it save electricity to heat your water all day, or turn it off and on again? Why do we speak in different accents? Why did viruses arise? Why do our noses run? Plus, new insights into TB. Like this podcast? Please help us by supporting the Naked Scientists
Can White Parents Have a Black Baby?
1 juni 2017 |
22 min
What causes IBS and what can we do about it? Are there some foods you shouldn't eat if your gallbladder's been removed? Could a white couple give birth to a black child? In what simple ways can we save water? What's gluten intolerance? Plus, the condition CIDP - chronic inflammatory demyelinating polyneuropathy - what is it and how can it be treated? Chris Smith speaks to Eusebius McKaiser. Like this podcast? Please help us by supporting the Naked Scientists
Can sperm survive in space?
25 maj 2017 |
18 min
How would you have sex in zero-gravity? Are eggs viable in space? What is nuclear fall-out? What is cold fusion? How long can astronauts be in space without side-effects? Like this podcast? Please help us by supporting the Naked Scientists
How do you power a spacecraft to Saturn?
18 maj 2017 |
19 min
How do you power a spacecraft to Saturn? Can gravity affect the telomeres inside our cells? What can be done to help people with macular degeneration? How did simple, unicellular life get more complex? Like this podcast? Please help us by supporting the Naked Scientists
Do our voices change as we age?
11 maj 2017 |
20 min
Is there a cure for flu? Can your genetic engineering make you smart? How far are we from designer genes? Can we cure HIV? Do our voices change as we get older? Plus, bioengineered bones! Like this podcast? Please help us by supporting the Naked Scientists
What can cure a hangover?
24 mars 2017 |
22 min
How do birds wake up at the same time each day? How does quantum computing work? Why do we feel hot even when the room is cooler than body temperature? Who will be the first on Mars? What's the best cure for a hangover? Plus, an anti-aging tablet. Like this podcast? Please help us by supporting the Naked Scientists
What causes deja vu?
10 mars 2017 |
23 min
Why do we mishear lyrics? What causes deja vu? Where have all the bees gone? Do mermaids exist? Does God exist? What causes deja vu? Plus, synthetic genomes! Like this podcast? Please help us by supporting the Naked Scientists
Why do I get a stitch when I run?
3 mars 2017 |
20 min
Why do I get a stitch when I run? Is there such thing as baby brain? Is exercise good for you? Do the lines on your hand mean anything? How does altitude affect athletes? Like this podcast? Please help us by supporting the Naked Scientists
What caused the Big Bang?
24 februari 2017 |
19 min
Why are tooth aches more likely at night? Can chemo affect iron levels in your body? Why is there oil beneath the earth? What caused the big bang? Can we create rain artificially? Plus, seven new exoplanets. Like this podcast? Please help us by supporting the Naked Scientists
Are cell towers bad for you?
17 februari 2017 |
22 min
Why do chilies burn my fingers? How dangerous are cell towers to your health? Who names cyclones? Do white and black people have different body temperatures? Why do hairs reach different lengths over the body? Why is gold precious? Like this podcast? Please help us by supporting the Naked Scientists
Why do wheels sometimes seem to spin backwards?
3 februari 2017 |
25 min
Why is it that wheels look like they're going backwards? Why does my car give me static shocks? If you move an ant will it find its way home? Can you cool something below absolute zero? Do pigeons get itchy? Why do humans get sick when they eat raw meat? Like this podcast? Please help us by supporting the Naked Scientists
Can cannabis cure MS?
27 januari 2017 |
21 min
Is the earth round or flat? Can you have two snowflakes that are alike? Would medicinal marijuana help with MS and Alzheimer's? Why does your mouth heal faster than your finger? Like this podcast? Please help us by supporting the Naked Scientists
What should I eat before an exam?
20 januari 2017 |
19 min
What are the best foods to eat before and during exams? How do you get heavy metal poisoning? Why do you develop allergies? Why would soap help clean greasy pans? Plus, a robotic heart. Like this podcast? Please help us by supporting the Naked Scientists
Can people predict their own deaths?
13 januari 2017 |
24 min
Why are dreams so realistic? When should you move your babies onto solids? Can people predict their own deaths? Am I allergic to exercise? Plus, the world's smallest knot. Like this podcast? Please help us by supporting the Naked Scientists
How does pepper spray work?
2 december 2016 |
24 min
Why can't I eat fruit? How well do polar bears smell, and how do we know? How does marijuana affect your brain? How does pepper spray work? Like this podcast? Please help us by supporting the Naked Scientists
How did speech evolve?
25 november 2016 |
22 min
How did speech evolve, why do you need bacteria and fish food for aquaponic systems, do growth factors in anti-ageing creams really work, what treatments are there for allergies and how do UV lights vaporise fat in commercial kitchens? Plus, delving into the secrets of sleeping sickness. Like this podcast? Please help us by supporting the Naked Scientists
What are the consequences of nuclear war?
18 november 2016 |
24 min
Could the universe be more than a coincidence, what's causing a burning skin sensation, does milk cause breast cancer, are statins effective for high cholesterol, what impact would a nuclear war have and what risk does Donald Trump pose to climate change? Plus, the science behind the supermoon. Like this podcast? Please help us by supporting the Naked Scientists
Do microwaves remove nutrients from food?
11 november 2016 |
21 min
Is the Earth flat, do microwaves kill nutrients, why do eggs have whites and yolks, what advancements are there in the treatment of tinnitus and what happens if you fire a gun on the Moon's surface? And also a new vaccine which controls HIV in monkeys. Like this podcast? Please help us by supporting the Naked Scientists
How do you stop HIV spreading?
4 november 2016 |
21 min
Why do other people's fart smell worse than your own, why do storms turn swimming pools green, how do we stop HIV spreading, what's the difference between antibiotics and probiotics, why does it feel like you're moving slowly when you're inside an aeroplane and why does the smell of shower gel wear off? Plus, the people turning plants into chemical sensors. Like this podcast? Please help us by supporting the Naked Scientists
What would happen if the Earth stopped spinning?
27 oktober 2016 |
22 min
How can I find out about my biological age, how can you stop a panic attack, how can you treat Polymyalgia Rheumatica, are detoxing products just a marketing gag, can learned behaviours be passed on genetically, what would cause my brain to forget which way around to put on my shoes, how long after boiling is water still save to drink? Like this podcast? Please help us by supporting the Naked Scientists
Where do children get their intelligence?
20 oktober 2016 |
18 min
Are there increases in miscarriage rates, why are rats used in experiments, could we use developments in cartilage growth to treat scaphoid wrist fractures, is it safe to do strenuous exercise as you get older, where do children get their intelligence and what causes your stomach to flip when you go on a rollercoaster? Plus, scientists using nose cells grow new knee cartilage. Like this podcast? Please help us by supporting the Naked Scientists
Do we use all of our brain?
13 oktober 2016 |
18 min
Why does the BCG vaccine cause swelling, where does moisturiser go when you put it on your face, what are the side effects of sickle-cell anaemia medication and is it true that we only use a small proportion of our brain? Plus, a gene editing technique that could provide a treatment to sickle-cell anaemia. Like this podcast? Please help us by supporting the Naked Scientists
How do we see distant stars?
6 oktober 2016 |
19 min
Is autophagy linked to autoimmune diseases, what could cause unilateral spinal dysfunction, what is adrenal fatigue and how do we see distant stars? Plus, the low down on the Nobel prizes in medicine, physics and chemistry. Like this podcast? Please help us by supporting the Naked Scientists
How does radiation escape black holes?
29 september 2016 |
20 min
How do we get bright images of planets, why do distant lights appear to blink, how does radiation escape black holes, what could cause a loss of smell and why does our stomach grumble when it's hungry? Plus, news of the Rosetta Mission's final hours. Like this podcast? Please help us by supporting the Naked Scientists
Could the Earth be a living creature?
22 september 2016 |
21 min
Could planet Earth be a living creature, how do they name medicines, what's the difference between a heart attack and a cardiomyopathy, how do HIV protective drugs work and how were the Egyptian pyramids built? Plus, news of a new gene that could screen for heart disease. Like this podcast? Please help us by supporting the Naked Scientists
Why are men hairier than women?
15 september 2016 |
21 min
Why are men hairier than women, how can a cockroach survive a microwave, why is our poo brown when we eat colourful food, why is the reflection on a spoon upside down, why do we close our eyes when we sneeze, do we produce saliva at night, can you make yourself taller and is there a treatment for CIAP. Plus, the monkeys that have been writing Shakespeare to treat paralysis. Like this podcast? Please help us by supporting the Naked Scientists
How do birds sit on electric wires?
1 september 2016 |
25 min
How do birds sit on electric wires without getting hurt, why does hot weather cause nose bleeds, how do probiotics treat vaginal thrush, is there a cure for retinitis pigmentosa, are the any solutions to the problems caused by human activity and what can you do to lessen your asthma? Plus, Australian scientists have discovered evidence of the first life on earth. Like this podcast? Please help us by supporting the Naked Scientists
Why doesn't vodka freeze?
25 augusti 2016 |
25 min
If the ice caps are made of freshwater, how did they form from a salt water ocean? How do baby lobsters eat jellyfish without getting stung? Why doesn't vodka freeze? Does putting a spoon into the neck of a champagne bottle stop it from going flat? What causes your eye to twitch? How do we know that the Earth isn't flat? What is the role of the placenta in pregnancy? Like this podcast? Please help us by supporting the Naked Scientists
What's it like on Mars?
18 augusti 2016 |
19 min
Why do we catch colds on holiday? If a fly takes off inside a car, why doesn't it get flung to the back? What are the latest treatments for macular degeneration? Is kidney infection linked to depression? Why am I choking on my saliva? Why do wheels sometimes appear to turn backwards? ... and what is it really like on Mars? Like this podcast? Please help us by supporting the Naked Scientists
Why did the Olympic swimming pool turn green?
11 augusti 2016 |
19 min
Why did the Olympic swimming pool turn green? Is it normal to get hiccoughs after eating spicy food? How accurate is carbon dating, and are there different types? Why do flying ants appear after the rain?...And what is the sun, really? Like this podcast? Please help us by supporting the Naked Scientists
How do tornadoes form?
28 juli 2016 |
20 min
Why do I feel an electric current if I touch the wall when I'm lying on my electric blanket, is it possible to absorb vitamin D through glass, what happens to microbeads from cosmetics, how does a tornado form, with the advancement of artificial intelligence how do we know that radio presenters aren't just robots, can you use electricity to generate more electricity and what medication could be used to eradicate Staphylococcus aureus? Plus, how tomatoes hold the key to fend off plant parasites. Like this podcast? Please help us by supporting the Naked Scientists
Why do dogs have wet noses?
21 juli 2016 |
21 min
Why do dogs have wet noses, when a fly hits a train does the train slow down, why do our ears keep growing as we age, why don't animals die when they eat other animals which are poisonous, can Metformin be used to slow ageing and can stem cells be used to reverse type one diabetes. Plus, a data storage solution that works at the scale of single atoms. Like this podcast? Please help us by supporting the Naked Scientists
What's the science in palm reading?
14 juli 2016 |
21 min
How does wireless charging work, why do people have different coloured eyes, is drinking water from plastic bottles bad for your health, is there any truth in palm reading, what's the reason for different hair types and is the artificial sweetner Aspartame really bad for you? Like this podcast? Please help us by supporting the Naked Scientists
How old is the Universe?
7 juli 2016 |
20 min
How old is the universe? What is the big bang? How did the universe begin? What happens when you power nap? What is the science behind black holes? What is the difference between a black hole and a wormhole? Plus, news on the Juno mission to Jupiter... Like this podcast? Please help us by supporting the Naked Scientists
Zika vaccine effective in mice
30 juni 2016 |
26 min
Can the vaccines that protect mice against the Zika raise the hope of a human vaccine? What are the symptoms for a disease known as lichen planus? What are genetically modified (GM) crops? Are GM crops bad for us? How can you make a genetically engineered plant? How can we improve the efficiency of the solar panels? Is aging an illness? Can we cure aging? Like this podcast? Please help us by supporting the Naked Scientists
Why are mosquito bites so itchy?
23 juni 2016 |
8 min
Can we come up with a new way of managing mosquito infections? Can a cure for Zika virus lie in an inflammatory cream? How does the bonding process between the parents and a newborn form? Does a baby recognize a mum's voice? Like this podcast? Please help us by supporting the Naked Scientists
Why does standing up make you see stars?
16 juni 2016 |
17 min
Why is water's molecular composition one oxygen and two hydrogens, could strong magnets on cars stop crashes, what is the VY Canis Majoris, can salt be used to cool drinks, what is sciatica and why does standing up make some people see stars? Like this podcast? Please help us by supporting the Naked Scientists
What causes light to move?
9 juni 2016 |
23 min
How does light move without force, is there a connection between migraines and an electrical storm, what causes Parkinson's Disease, how do you treat Job syndrome, why would falling asleep cause leg contractions, what's the best way to boost your immune system, how does momentum affect impact in a crash, how bad is Uveitis and would it be hypothetically possible to observe the big bang? Plus, bone marrow transplants for multiple sclerosis treatment. Like this podcast? Please help us by supporting the Naked Scientists
How do we vomit?
2 juni 2016 |
21 min
Do the chemicals in our food cause cancer, how do we vomit, how does the moon affect the tides, do tonsils extend vocal range, is cancer more common in certain races, how fast does electricity travel in water and could cancer be a catalyst for evolution? Plus, could we get a universal cancer vaccine? Like this podcast? Please help us by supporting the Naked Scientists
A new way of keeping time?
26 maj 2016 |
20 min
Why do you get dark circles under your eyes, could animal blood be used for human transplants, could we dry out silica packets in the microwave, does ozone treatment work, what's the difference between a blood transfusion and a plasma transfusion, what are the new developments in cataract surgery, is there a general anaesthetic alternative in surgery and how do anti-inflammatories work. Plus, a new way of keeping time. Like this podcast? Please help us by supporting the Naked Scientists
Is rewarming food dangerous?
19 maj 2016 |
22 min
Is rewarming food dangerous, what does uranium look like and how do you find it, does olive oil become toxic when it's heated, how can you treat allergies, why don't aeroplane black boxes float, can laser technology be used for water purification, what causes inner ear infections, what's causing itching from exercise and should we be keeping cows near roads? Like this podcast? Please help us by supporting the Naked Scientists
Can we 3D print teeth?
5 maj 2016 |
24 min
Can we 3D print teeth, how does air conditioning remove condensation from a car, how do helicopter blades carry a helicopter without breaking, why don't people wake themselves up from snoring, why do things knot themselves, how do anti-inflammatory's work and could we use a positively charged solution for fuel? Plus news from the Science on the Swan conference in Perth, Australia. Like this podcast? Please help us by supporting the Naked Scientists
Do planes change the weather?
21 april 2016 |
23 min
How do flu jabs really work? Should you refrain from sex before a sports competition? Why don't we sneeze when we're sleeping? Could we use stem cell therapy to cure autism? Is it better to drink beer made from natural products or fizzy drinks with sweeteners? What's crystalline folliculitis? Are all antibiotics variations of the same thing? How many blades do you need to get a clean shave? Like this podcast? Please help us by supporting the Naked Scientists
Why do you shudder when you wee?
7 april 2016 |
22 min
Are waves slowed by kelp, is there a neural basis for societal differences, why is there more rain after a thunder storm, why do electric stoves keep cooking after they've been turned off, why does the sound of an aircraft change as it flies towards us, why do you shudder when you wee, what does lightning do to a tree when it hits it, how did we define a global time. Like this podcast? Please help us by supporting the Naked Scientists
How do we get vitamin D from sunlight?
18 mars 2016 |
21 min
If I was on another planet would we see stars the same way? Why do we measure rain in ml? How do we get vitamin D from sunlight? How accurate are DNA tests? What is a lipoma? How long does it take to recover from malaria? Plus, is pollution harming unborn babies? Like this podcast? Please help us by supporting the Naked Scientists
Do antioxidants prevent cancer?
11 mars 2016 |
22 min
Do antioxidants prevent cancer, how does hypnosis work, how does exercise impact cancer, do girls whistle worse than boys, how does exercise affect weight from a recovery drink and are plastic cars less safe in a lightning storm? Plus, plastic eating bacteria. Like this podcast? Please help us by supporting the Naked Scientists
How do they film fast moving golf balls?
4 mars 2016 |
18 min
Why do mosquitoes prefer me over my husband? How do they film fast moving golf balls? And if I received a kidney transplant, could I then donate my kidney to someone else when I die? Like this podcast? Please help us by supporting the Naked Scientists
Why do we get butterflies in our stomach?
26 februari 2016 |
20 min
Why are there warm patches in the sea, why do we get butterflies in our stomachs, does skin absorb face cream and is a magnetic field energy? Plus in the news, immunotherapy for cancer treatment. Like this podcast? Please help us by supporting the Naked Scientists
How big is a drop?
19 februari 2016 |
23 min
How big is a drop, how do you measure gravitational waves, how do we get accents, why is there thunder after a heatwave and how do trees know when to produce tannin? Plus in the news - a breakthrough in 3D printing organs and bones. Like this podcast? Please help us by supporting the Naked Scientists
What are Gravitational Waves?
12 februari 2016 |
17 min
What are gravitational waves and how were they found? What is UHT milk, why do stars look like pinpricks of light, what are shin splints, and is moving an injured body part bad for you? Like this podcast? Please help us by supporting the Naked Scientists
What Keeps the Sun Burning?
11 december 2015 |
19 min
Could humans evolve to one sex, what is the difference between a hydrogen and an atomic bomb, can eczema be caused by a virus, what keeps the sun burning, are some people more prone to addiction than others, is it possible to have a stroke twice and can fingerprints ever be identicle?Plus in the news, 7 dogs born by IVF. Like this podcast? Please help us by supporting the Naked Scientists
How safe is an old microwave?
27 november 2015 |
22 min
How does loneliness affect your health, why is it less windy in the morning, is giving blood good for you, are sugar calories different to other calories, what happens to a baby's waste in the womb, what happens when your skin burns, is it safe to use a repaired microwave, does decomposition produce worms and what are butterflies in you stomach. Like this podcast? Please help us by supporting the Naked Scientists
Why does Jacob Zuma giggle in parliament?
20 november 2015 |
22 min
Why does Jacob Zuma giggle in parliament? Antimatter and Dark Matter; why snails like to eat cigarette filters; rusty water cisterns; why tupperware stays wet after dishwashing; cyanobacteria in water courses; and how gravity works. Plus, news of the antibiotic apolcalypse: evidence of human carriage with bacterial strains resistant to the antibiotic colistin secondary to farm use. Dr Chris joins Redi Thlabi to answer your burning science questions... Like this podcast? Please help us by supporting the Naked Scientists
Do Animals Have Blood Groups?
13 november 2015 |
20 min
Where does water come from, what would have happened if the dinosaurs hadn't been wiped out, does rheumatoid arthritis ever go away, do animals have blood groups, how to stop water from getting contaminated, can the ozone regenerate and why do mosquitos like humans? Like this podcast? Please help us by supporting the Naked Scientists
What is the universe made of?
30 oktober 2015 |
23 min
What is the universe made of? Can neutrinos really travel faster than the speed of light? Will robots ever take over the world? How does wind form? What would happen if you expose yourself to outer space? Can you tickle yourself? Like this podcast? Please help us by supporting the Naked Scientists
What causes stuttering?
16 oktober 2015 |
24 min
What happens to the rubber that comes off tyres, what causes stuttering, how do living things produce oil, why do you develop allergies in adulthood, how can one blood clot in the brain cause so much damage, are memories only stored in the brain and does taste develop in the womb? Like this podcast? Please help us by supporting the Naked Scientists
Do people have free will?
9 oktober 2015 |
23 min
What was before the big bang? Does turning off your heating intermittently actually save energy? Can you prove or disprove free will? Why are flies attracted to bad smells? What is the point of going to Mars? Why do I get a shock from my blanket? Why do we see the same stars at night? Plus, growing a human kidney... Like this podcast? Please help us by supporting the Naked Scientists
Where do deleted texts go?
2 oktober 2015 |
23 min
How does sugar addiction happen? Where do deleted emails go? Plus, flowing water on Mars. Like this podcast? Please help us by supporting the Naked Scientists
Why do wires tangle?
25 september 2015 |
21 min
Why do wires tangle? Is borehole water drinkable? Does sea water evaporate? Why are there no more intelligent hominids except humans? How are mountains formed? What makes up non-stick linings on frying pan and are they safe? Plus, the Volkswagen emissions scandal. Like this podcast? Please help us by supporting the Naked Scientists
Should we drink wee?
18 september 2015 |
19 min
What causes sleep paralysis? Is urine beneficial to drink? Can we clone from fossils? How can galactic collisions occur? What is the difference between Bipolar and PTSD? Can carnivores eat other carnivores? Plus the first ever in vitro sperm genesis. Like this podcast? Please help us by supporting the Naked Scientists
Where did Homo naledi come from?
11 september 2015 |
20 min
How old are the Homo naledi remains? How do nails end up in tyres to cause punctures? How did the H. naledi people see in the dark cave where the remains were found? Can vitiligo be reversed? Why were the H. naledi remains deposited in the Rising Star Cave? Like this podcast? Please help us by supporting the Naked Scientists
How can a headless chicken run?
28 augusti 2015 |
21 min
Does the intensity of the sun influence water evaporation, what reasons could there be for a sudden drop in heart rate, how do fixed drug erruptions work, if you stop water from expanding will it still freeze, by keeping sick people alive are we getting weaker as a species, does a full moon energise water, as a species do we have physical limits, how does a headless chicken run and how does a greasy breakfast help a hangover? Like this podcast? Please help us by supporting the Naked Scientists
What determines your blood type?
21 augusti 2015 |
24 min
Is DNA set to replace the harddrive? Chris told us about a story where DNA could be used to store digital information and preserve essential knowledge for thousands of years. We then opened the lines and invited listeners to call in with their science related questions. Like this podcast? Please help us by supporting the Naked Scientists
Can you microwave a cockroach?
14 augusti 2015 |
23 min
The Naked Scientist told us about a possible universal flu vaccine that is being researched. We then opened the lines to listeners to call in with their science related questions. What happens to a full container of water when you freeze it? Why does it seem to get colder at day break? Do our bodies use 70% of the energy we consume even when we are not active? Should I eat for my blood type? How does a cockroach survive being cooked in a microwave? Why can sheep and goats not mate? Is it beneficial to take molasses if you are anaemic? What causes gravity? If evolution is true, why are we not... Like this podcast? Please help us by supporting the Naked Scientists
How does rice fix a waterlogged phone?
7 augusti 2015 |
24 min
How do humans generate body heat, how does rice fix a waterlogged phone, how does a thermos flask store hot water without expanding from the steam, why don't airplanes gain height when flying strait, why do people lose consciousness if the cabin pressure is lost on a flight, does a slipstream ever help the lead cyclist, why don't people bleed out if their leg is amputated and what causes corrugations on roads Like this podcast? Please help us by supporting the Naked Scientists
Can you use a sonic boom as a weapon?
31 juli 2015 |
23 min
Why do we get nosebleeds? Can you use a sonic boom as a weapon? Is it healthy to sleep under a blanket? What will happen when the sun dies? Why does staring at light help you sneeze? Can a loss of memory cause hearing problems? Like this podcast? Please help us by supporting the Naked Scientists
Are intelligent people more prone to depression?
24 juli 2015 |
21 min
Are intelligent people more prone to depression? Will we ever exceed the speed of light? What can survive inside a human stomach? Can rhymes help you to learn new things? How is the brightness of a light measured? How do bikes steer? Are balding men more prone to prostate cancer? Plus, eye drops that can treat cataracts. Like this podcast? Please help us by supporting the Naked Scientists
Why does the placebo effect work?
17 juli 2015 |
21 min
Why does the placebo effect work? Why do we get goosebumps? Why does scratching relieve itches? How can you fix bad breath? Why is it hard to wee if someone else is there? How long does food stay in the stomach? Plus, why screams are scary. Like this podcast? Please help us by supporting the Naked Scientists
Does food affect your mood?
10 juli 2015 |
24 min
Do tall people swim faster? Why is Cholera so difficult to kill and get rid of? If there's so much cell regeneration in our bodies, why do we get old and die? Does food affect your mood? Plus, new research into medical marijuana. Like this podcast? Please help us by supporting the Naked Scientists
How high can a fly fly?
3 juli 2015 |
22 min
Are polarised or non-polarised sunglasses better for your eyes? How high can a fly fly? Can botox make my face more symmetrical? Why aren't we equally hairy across our whole body? Are you more likely to get ill in cold weather? Like this podcast? Please help us by supporting the Naked Scientists
Why does the Earth hum?
19 juni 2015 |
21 min
What is the Earth made from? Has the Voyager 1 spacecraft reached the edge of our solar sytem? Why do you lose your appetite when you feel unwell? How does lemon juice affect urine? Does the day on which you are born make a difference? How do we communicate in space? What are the origins of sceintific morality? How does castor oil affect your digestive system? Plus, the mass of the smallest exoplanet measured. Like this podcast? Please help us by supporting the Naked Scientists
What does Botox do to your face?
12 juni 2015 |
20 min
Does Botox harm your face? Why is the speed of aircraft limted? Does the cause of death determine the rate of decomposition of the body? Do only green plants produce chlorophyll? Can we create false gravity in space using centrifugal force? What happens to ashes when they are buried? Do children inherit palm prints from only one parent? Plus, 75 million year-old dinosaur cells... Like this podcast? Please help us by supporting the Naked Scientists
What happens when you swallow gum?
5 juni 2015 |
23 min
What happens when you swallow gum? Can we use animal blood for donation? Is there intelligent life out there? Can you eat glass safely? Would you decompose in space? Is there a link between blood groups and illnesses? Plus, your virus infection history. Like this podcast? Please help us by supporting the Naked Scientists
Does truth serum work?
29 maj 2015 |
23 min
If it's only female mosquitoes that drink our blood, what do male mosquitoes feed on? How do we know how old human remains are? What is truth serum and how does it affect the brain? Should we keep onions in the fridge? And why do people have accents? Plus, the latest breakthrough in artificial intelligence. Like this podcast? Please help us by supporting the Naked Scientists
Why don't babies laugh when they are born?
22 maj 2015 |
19 min
What would happen if I ate glass? Can you stop epileptic fits by removing a section of the brain? When we lose weight, where does the fat go? If we remove our thonsils, will this stop us snoring? Why don't babies come out the womb laughing, as opposed to crying? Plus, how a new drug that could cure obesity. Like this podcast? Please help us by supporting the Naked Scientists
Can you stop a yawn with a finger?
8 maj 2015 |
23 min
The Naked Scientist answered listeners' weird and wonderful questions including: why babies tummies look swollen; why we vomit if others vomit; and how effective are sleeping tablets. Like this podcast? Please help us by supporting the Naked Scientists
Why can't my cat catch my cold?
1 maj 2015 |
20 min
Why do we develop allergies? Which tectonic plates caused the Nepalese earthquake? Could we use a car to generate electricity? Why can't my cat catch my cold? Plus, the effects of radiation in space on astronauts' brains... Like this podcast? Please help us by supporting the Naked Scientists
Why can't I whistle as I get older?
24 april 2015 |
19 min
Where are mosquitoes during the winter? Does light therapy work? Can you get 20:20 vision back? Why can't I whistle as I get older? Why do I cough every time I eat popcorn? Plus, a new treatment for MS... Like this podcast? Please help us by supporting the Naked Scientists
How does seedless fruit reproduce?
17 april 2015 |
21 min
Will we ever be able to record dreams? Why did our brains grow over time? How much water do you need to boil an egg? How does seedless fruit reproduce? Can a damaged chromosome be repaired? Can we synthesise water? Does whiskey make soft drinks better for you? Plus, how cracking your knuckles works... Like this podcast? Please help us by supporting the Naked Scientists
Can you use sound to control dreams?
10 april 2015 |
22 min
Do photons have mass? Can you control someones dreams? Can you get your kidney back after donating it to someone? What determines the colour of the sea? Plus, how the moon was formed... Like this podcast? Please help us by supporting the Naked Scientists
Live and Naked at 702
1 april 2015 |
46 min
Chris Smith and Victoria Gill appear at 702 in the flesh to answer questions from the audience and to conduct some illuminating experiments... Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by supporting the Naked Scientists
Why do we get goosebumps?
27 mars 2015 |
20 min
What causes goosebumps? How close does lightning need to be to hurt you? Where is Voyager? What causes yawning? How do we perform automatic behaviour? Like this podcast? Please help us by supporting the Naked Scientists
What causes thunder and lightning?
20 mars 2015 |
24 min
What causes thunder and lightning? Are some people resistant to HIV? Are vitamin supplements good for children? What does crystal meth do to your brain? Why do phones only give you nine minutes to snooze? Can you compress light? Like this podcast? Please help us by supporting the Naked Scientists
What is the sun made of?
13 mars 2015 |
22 min
How do satellites stay in orbit? Why do my fingernails grow at different speeds on each hand? What is the sun made of? Where did the liquid in my cans go? Why do some children turn mute after trauma? Plus, why people smell their fingers after shaking hands... Like this podcast? Please help us by supporting the Naked Scientists
Can candles give you cancer?
6 mars 2015 |
23 min
Is it safe to feed livestock to meat? What happens to the rubber that wears off from car tyres? Does water go down the drain in different directions? Can you rewind the radio? Why is the ocean salty? Can candles give you cancer? Plus, the ancient Homo jaw bone... Like this podcast? Please help us by supporting the Naked Scientists
Why do I get a stitch when I exercise?
27 februari 2015 |
19 min
Why do I get a stitch when I exercise? What determines our body temperature? How quickly do fruit and vegetables lose nutrients after they are picked? Why do ropes get tangled up in knots? Can you get stuck together during sex? Plus, news of an edible gene therapy to control insect pests... Like this podcast? Please help us by supporting the Naked Scientists
Why does stress give me knots in my stomach?
20 februari 2015 |
24 min
Why does stress give me knots in my stomach? Why don't I gain weight when I eat? How does sun cream work? Why does wheat give me gas? If we were to compress air to the pressure of water could we then swim in air? Do any planets stay still? Plus the science of popcorn. Like this podcast? Please help us by supporting the Naked Scientists
Can animals predict the weather?
6 februari 2015 |
18 min
Can we manufacture water? Should women eat uncastrated meat? Can animals predict the weather? Is there a loss of vitamin content in tinned food? If you're in an aeroplane traveling at the speed of light, could you walk to the front of the plane? What causes chronic flatulence? Plus, counting chickens! Like this podcast? Please help us by supporting the Naked Scientists
Why do we get brain freeze?
30 januari 2015 |
21 min
Why do we get brain freeze? What happens to your arm when it goes to sleep? Why do clouds form? Do we really only use 10% of our brain? If we evolved from apes how come there are still monkeys? Plus, how to "unboil" an egg. Like this podcast? Please help us by supporting the Naked Scientists
How do phantom limbs work?
23 januari 2015 |
24 min
How do phantom limbs work? Can power stations affect local weather? Plus, how to avoid jet lag and the snails that have weaponised insulin. Like this podcast? Please help us by supporting the Naked Scientists
Is there such a thing as a 'baby brain'?
16 januari 2015 |
23 min
Should I let my child run up and down stairs? Is crocodile bile deadly? Why don't animals in the wild bleed to death during child birth? Will there come a time where we stop breaking any new sport records? Is there such a thing as a "baby brain"? Like this podcast? Please help us by supporting the Naked Scientists
Is there a cure for vertigo?
9 januari 2015 |
23 min
Can we make longer lasting phone batteries? Is there a cure for vertigo? Like this podcast? Please help us by supporting the Naked Scientists
Why do pigeons bob their heads?
2 januari 2015 |
21 min
How do chameleons change colour? Why do pigeons bob their heads when they walk? How do railguns work? Can you freeze dry a body? What causes localised hair-loss? What's the best way to cool down beer? Plus, an update on Ebola... Like this podcast? Please help us by supporting the Naked Scientists
How do you get an old pen to work?
19 december 2014 |
25 min
Why does scribbling on paper get a pen to work? Why can't mules reproduce? How soon will they be able to lessen the effects of Multiple Sclerosis? When you burn wood, where does the weight go? How do touch screens work? Plus, why feeling your age might be bad for you... Like this podcast? Please help us by supporting the Naked Scientists
How do birds make eggs?
12 december 2014 |
23 min
How do birds make eggs? Why do we cry for both happiness and sadness? Can neutrinos go faster than the speed of light? Why is it so hard to lose stomach fat? Why do some babies smile in their sleep? Can you get oxygen from the water you drink? Plus, how life began, and the science of opera singing... Like this podcast? Please help us by supporting the Naked Scientists
Why do banana peels go brown?
28 november 2014 |
21 min
Can you feel two pains at the same time? How can bottled water freeze instantly? Can a migrant dog understand his new neighbours? What is the pith inside an orange? Does eating the in-flight meal alter an aeroplane's weight? Why do skins of bananas blacken faster after you peel them? Like this podcast? Please help us by supporting the Naked Scientists
Can comets reveal the future?
21 november 2014 |
22 min
What is the latest on Ebola? Which human sense was the strongest in more primitive times? Can comets tell us about the future? How did our ancestors discover that the Earth is round? Why are electric kettles so loud? How can grey hair go black again? Like this podcast? Please help us by supporting the Naked Scientists
Why aren't there any flying spiders?
14 november 2014 |
13 min
Is it possible to regrow brain cells? Why can't spiders fly? Can you survive with three kidneys? What causes a migraine? Plus, why lightning is striking twice... Like this podcast? Please help us by supporting the Naked Scientists
What causes cataracts?
7 november 2014 |
22 min
Why do my fingernails grow quicker than my toenails? Why are yawns contagious? Do people with longer legs use less energy to run? What causes cataracts? How important is your sense of smell? Like this podcast? Please help us by supporting the Naked Scientists
Are Ebola survivors immune for life?
31 oktober 2014 |
19 min
Can a new stomach be grown in a dish? Are Ebola survivors immune from future infection? Why do injuries seem to hurt more later? Are there homosexual dolphins? How do muscles make energy? How do ants home in on food? Can dogs judge human character? Like this podcast? Please help us by supporting the Naked Scientists
Why do people talk to themselves?
24 oktober 2014 |
20 min
Why do people talk to themselves? Can cats cut your risk of a heart attack? Does salt help water boil quicker? Do women have an Adam's Apple? Plus, an update on Ebola and a rapid paper-based test for the virus... Like this podcast? Please help us by supporting the Naked Scientists
Can the radio control my dreams?
10 oktober 2014 |
21 min
Why do I sneeze in bright light? Can the radio control my dreams? Like this podcast? Please help us by supporting the Naked Scientists
Do flies have blood?
3 oktober 2014 |
21 min
Why did dinosaurs grow so large? Do flies have blood? Can chemotherapy get into the brain? Why do scorpions glow in UV light? Did we interbreed with Neanderthals? Plus, news of how your sense of smell can indicate how long you have left to live... Like this podcast? Please help us by supporting the Naked Scientists
Why do some people sleepwalk?
26 september 2014 |
21 min
How is sea-level defined? What makes some people sleepwalk? How are barometers calibrated? What is an acquired taste? How much of the body is water? Do we really use only 10% of our brain? Why does red wine stain your lips? Why to I talk in my sleep? What happens if you drink petrol? Like this podcast? Please help us by supporting the Naked Scientists
Can you be born circumcised?
19 september 2014 |
21 min
How do people catch ebola? Why do brothers and sisters look different if they have the same parents? Can we mine the moon for fuel? Why should you not re-freeze meat? What causes birth marks? What is a curve of pursuit? Can you be born circumcised? Dr Chris answers more of your questions, on Talk Radio 702... Like this podcast? Please help us by supporting the Naked Scientists
Why does spaghetti break into 3 pieces?
5 september 2014 |
21 min
Can we rear people in a germ-free environment? Can you be born with only one kidney? Why does spaghetti always break into 3 pieces? What exactly is temperature? When you add more water to the bath and then pull the plug - what water goes down the drain first, the new or the old? Why do birds live longer than their size would suggest? Like this podcast? Please help us by supporting the Naked Scientists
Why does running water make you need the loo?
29 augusti 2014 |
16 min
Why does running water make you need the loo? Like this podcast? Please help us by supporting the Naked Scientists
Can you get sunburn through a glass window?
15 augusti 2014 |
19 min
Can you get sunburnt through a glass window? What are white holes? If everything is made from atoms, and atoms are largely empty space why can't we phase through walls? Can chlorophyll help body odour? What causes ringing in your ears? Can you train a child to be ambidextrous? Plus, an update on Ebola. Like this podcast? Please help us by supporting the Naked Scientists
How accurate are dinosaur reconstructions?
8 augusti 2014 |
21 min
If you fall asleep with the radio playing what effect would this have on the brain? How do marine mammals stay hydrated? If you fall off a certain height do you die before you hit the ground? How come children spit all the time? How accurate are dinosaur reconstructions? Like this podcast? Please help us by supporting the Naked Scientists
Are maps always right?
1 augusti 2014 |
23 min
What's causing the ebola outbreak in northwest Africa? Is our sun unique? Why did we make clocks tick the way they do? Does altitude affect my blood pressure? Would the passengers remain conscious aboard an aircraft hit by a missile? Where does the iron on Earth come from? Are maps accurate? Like this podcast? Please help us by supporting the Naked Scientists
Why do some wines give you a worse hangover?
25 juli 2014 |
20 min
Should my air-conditioning be fresh or recycled air? Is the International Space Station in geostationary orbit? What causes plane vapour trails? Is it alright to drink water on an empty stomach? Why do we have blood groups? Why do we boil our food? Why do some wines give you a worse headache? Plus, why beef is off the menu for a sustainable world... Like this podcast? Please help us by supporting the Naked Scientists
Why do we get nightmares?
18 juli 2014 |
20 min
Are there extra types of water? Do plants give off carbon dioxide at night? Why does huddling together keep you warm? What is the origin of belly-button fluff? What causes nightmares? And how does the magnetic field around Earth affect us? Plus, news of how dental plaque can show us what our ancestors ate... Like this podcast? Please help us by supporting the Naked Scientists
Is the sea getting saltier?
11 juli 2014 |
23 min
How does a gastric bypass work? How do spaceships land safely back on earth? What makes humans so successful? Are new species still appearing? Is the sea getting saltier? Plus, news of biomarkers for Alzheimer's Disease... Like this podcast? Please help us by supporting the Naked Scientists
Can blind chameleons change colour?
4 juli 2014 |
23 min
How do e-cigarettes work? Could a blind chameleon still change colour? Do sightless people pick up on things most of us miss? Can the hydrogen be extracted from water? How are hurricanes named? How do birds navigate? How do vaccinations against bacteria and viruses work? Join Dr Chris for the answers to South Africa's top science questions, as well as news of a solar power breakthrough based on a tofu ingredient... Like this podcast? Please help us by supporting the Naked Scientists
What is Spontaneous Human Combustion
27 juni 2014 |
17 min
Can people with autism catch yawns? Why isn't the Sun cooling down? What is the theory of spontaneous human combustion? Why did Luis Suarez bite someone? Should I close the fridge door while adding milk to my tea? Like this podcast? Please help us by supporting the Naked Scientists
A cure for procrastination?
20 juni 2014 |
22 min
Does learning a musical instrument boost brain power? Are there limits to what the human body can repair? How does my brain know how to whistle in tune? Can newborns recognise their grandmothers' voices? Is there life elsewhere in the Universe? Is there any connection between autism and vaccinations? How do rocks erode? And the cure for procrastination? That's in next week's show... Like this podcast? Please help us by supporting the Naked Scientists
Why do we yawn?
13 juni 2014 |
22 min
Are mouth bugs nastier than bowel bugs? How would wiping out mosquitoes affect the food-web? What is an itch? Are anaesthetics a risk factor for blood clots? What are trans-fats and invert sugars? Can parasites manipulate our behaviour? Are there any benefits of yawning? Plus, news of the genetically-modified mosquito that might help to eradicate malaria... Like this podcast? Please help us by supporting the Naked Scientists
Why do people open their mouths when they apply mascara?
6 juni 2014 |
23 min
Are mothballs poisonous? How do chameleons change colour? Where do seedless varieties of fruit come from? What is ash? How can we use DNA to trace ancestry? Why do people open their mouths when they apply mascara? What causes a stammer? Like this podcast? Please help us by supporting the Naked Scientists
What does coffee do to my heart rate?
30 maj 2014 |
21 min
What does coffee do to my heart rate? Has the earth changed size since its formation? Why are hailstones round? How do you avoid getting seasick? Are energy drinks bad for you? How do antidepressants work? Plus, how smells give away gender. Like this podcast? Please help us by supporting the Naked Scientists
What gives water its colour?
23 maj 2014 |
24 min
What sort of star is the Sun? Can damage done by Multiple Sclerosis be repaired? Why does an acetylene torch need oxygen? How are calories in food calculated? What gives water its colour? Is drinking distilled water bad for you? What is sleep paralysis? Can liquids be compressed? Plus, how smells give away gender. Like this podcast? Please help us by supporting the Naked Scientists
Are flies getting harder to swat?
16 maj 2014 |
18 min
Are flies getting harder to swat these days? Why does more food in the microwave take longer to cook? Should penicillin-allergic people avoid blue cheese? Why are clouds white? What causes baldness? Why aren't marine fish more salty? Like this podcast? Please help us by supporting the Naked Scientists
Will whales get the bends?
2 maj 2014 |
22 min
The building blocks of life, what is a virus? Why don't whales get the bends? How does a 3D printer work? How do 93 and 95 octane fuels differ? Why is ricin deadly by castor oil is safe? Would HIV respond to an induced coma? Why do you cry when you yawn? Join Dr Chris for the answers to more burning science questions... Like this podcast? Please help us by supporting the Naked Scientists
Is petrol better value when it's cold?
25 april 2014 |
21 min
How can cochlear implants deliver gene therapy? Are you better off circumcised? What is the biggest discovery of the last 20 years? Can planets exist without a parent star to orbit? Does lighting a match mask a bad smell? Are there devices to help achieve perfect pitch? And do i get more petrol for my money when it is cold? Like this podcast? Please help us by supporting the Naked Scientists
Naked at 702
17 april 2014 |
51 min
The Naked Scientists appear in the flesh at Primedia Place, home of 702, to answer questions from the live audience... Like this podcast? Please help us by supporting the Naked Scientists
The first in-vitro vagina?
11 april 2014 |
23 min
How have doctors grown new vaginas in vitro? Are fires feasible in space? Why does the moon always show to same face to us? Why don't we see disabled animals? Why would a watch spontaneously restart after being stopped for 10 years? How do they make the flavour stick to popcorn? What is total internal reflection? How do you stop birds nesting on a rooftop? Like this podcast? Please help us by supporting the Naked Scientists
How Sunny is it on Saturn?
4 april 2014 |
24 min
What's inside Enceladus? How do we make water safe for drinking? How Sunny is it on Saturn's moons? What causes motion sickness? Could we collect sunlight in space and beam the power down to Earth? Can lunar gravity cause earthquakes? How did primordial gravity waves arise? Are buried bodies still infectious years later? Like this podcast? Please help us by supporting the Naked Scientists
Where does Earth get its oxygen?
28 mars 2014 |
21 min
How did scientists make a synthetic chromosome? How does heat radiate? What wakes us up in the morning? Where does oxygen come from? Are black boxes bouyant? Where did the Big Bang come from? Are airbags wired to seatbelts? Do couples end up looking like each other? And why does anxiety produce butterflies in the stomach? Like this podcast? Please help us by supporting the Naked Scientists
What are gravity waves?
21 mars 2014 |
19 min
Is gravity waves from the Big Bang a big deal? Is evolution still occurring? Why does water boil at lower temperature at altitude? Can the brain be hitched up to control a computer? Are power lines bad for your health? Will sleeping with the light on harm health? How accurate is a medical syringe? And why does spinning around make me dizzy? Like this podcast? Please help us by supporting the Naked Scientists
Why do Guinness bubbles go downwards?
14 mars 2014 |
21 min
How do the processing power of a brain compare with a computer? How can we shield astronauts en-route to Mars? Do ants prefer protein? What causes left handedness? Why do bubbles go downwards in a glass of Guinness? And do older makes of television emit X-rays? Like this podcast? Please help us by supporting the Naked Scientists
Does wet coal produce less power?
8 mars 2014 |
21 min
Can weather be manipulated? Will wet coal produce less electricity in a power station? Why does curry make my nose run? Is aluminium linked to Alzheimer's? Is it better to drink warm water? Who lives near the Chernobyl site? This week Dr Chris answers more questions from 702ers, and, in the light of the Oscar Pistorius case, considers the reliability of memory... Like this podcast? Please help us by supporting the Naked Scientists
Can a phone affect my fertility?
28 februari 2014 |
21 min
Can a mobile phone between the legs affect fertility? Why does wet cornflour stiffen when squeezed? Does light at night affect reproductive success of local animals? Can animals smell fear? And what actually is IQ? Plus, Dr Chris explores how animals are evolving in response to the influence of humans... Like this podcast? Please help us by supporting the Naked Scientists
What causes a blood red moon?
21 februari 2014 |
22 min
The cause of a blood red moon, is there an upper limits for temperature, where does the Sun's hydrogen come from, what does a blind person see in their mind's eye, and are e-cigarettes safer? Join Dr Chris Smith as he tackles the top questions sent in to Talk Radio 702... Like this podcast? Please help us by supporting the Naked Scientists
Where does dust come from?
7 februari 2014 |
20 min
How does acid produce stem cells? Why do carpets creep across the floor? Where does dust come from? Why can't flying insects escape from the surfaces of swimming pools? Do women multitask better than men? What is andogenic alopecia? Do we sneeze when we are asleep? What's special about graphene? And is nutritional data on food labels reliable? Like this podcast? Please help us by supporting the Naked Scientists
What accelerates light?
31 januari 2014 |
24 min
How does light accelerate in a less-dense medium? How do climbing plants twist around a stake? Did people share technology 5000 years ago? Why would stainless steel rust? And why does mango chutney make my underarms smell after I've eaten it? Like this podcast? Please help us by supporting the Naked Scientists
Would a swimmer hit by lightning be fried?
24 januari 2014 |
22 min
What's the difference between GM technology and cloning? If lightning hits a swimming pool, would a swimmer be fried? What happens when we get used to smells? Why does beetroot make urine red? Why do I stick out my tongue to concentrate? Where does the water in comets come from? What are the products of fuel combustion? Like this podcast? Please help us by supporting the Naked Scientists
How do you size-up a CME?
10 januari 2014 |
15 min
How is the scale of a coronal mass ejection (CME) measured? How does evolution work? Why is sole and palm skin a lighter colour? What causes magnetic field flips? What are blood groups and do animals have their own blood groups? Join Dr Chris for this week's crop of questions from Talk Radio 702, South Africa... Like this podcast? Please help us by supporting the Naked Scientists
Ask the Naked Scientists is BACK!
6 januari 2014 |
27 min
How trees tell the time, the germ potential of hot air driers in toilets, where fruit flies come from, does menstruation synchronise, why do mad people tend to run along roads, why is smoking addictive and why should a 7-year old have underarm odour? Join Dr Chris for the first Ask! outing of 2014... Like this podcast? Please help us by supporting the Naked Scientists
Do plants have sex?
20 december 2013 |
16 min
Plant and tree gender, omega-3 fatty acids and cancer and the science of sous vide cooking... Like this podcast? Please help us by supporting the Naked Scientists
Why pulling nose hairs makes you cry?
11 oktober 2013 |
21 min
Why tugging on nasal hairs causes crying? What triggers static shocks? Why are computers based around binary? What are blood groups? How can babies have 3 parents? Why is yawning contagious? What happens to excess skin when a person slims? When is a hot bath too hot? Why are some infections more common in winter? Like this podcast? Please help us by supporting the Naked Scientists
What Do Rockets Push Against in Space?
27 september 2013 |
19 min
What colour were human ancestors? What does a rocket push against in space to propel itself forward? Why does yawning make me cry? How do bats navigate? Can fuel cells run on alcohol? Why are 90% of people right handed? How genetically related would the children of two sets of identical twins be? Plus, noses grown on foreheads and how rotating antibiotic drugs can prevent bacterial resistance... Like this podcast? Please help us by supporting the Naked Scientists
Why does the Universe Spin?
20 september 2013 |
23 min
Why scratch your head if you don't know the answer? What about the Earth made the dinosaurs so big? Why does the Universe spin? Is the Sun seem brighter in the morning than the evening? Are autistic people particularly at home with computers? Why do effervescent tablets fizz only in water? Why do Parkinson's patients sleepwalk without difficulty? Plus, news of a decoy molecule that can treat dwarfism and what earwax has revealed about blue whales... Like this podcast? Please help us by supporting the Naked Scientists
What Makes My Eyelid Twitch?
13 september 2013 |
24 min
How is an electron microscope tip made to measure 1 atom thick? Why do I sound different on a recording? Why does light slow down in some media? Why is soft water slimy? How do ants home in on my handbag? What makes my eyelids twitch? Plus, how scientists are exploring spider venoms as a source of new insecticides... Like this podcast? Please help us by supporting the Naked Scientists
Do Diamonds Melt?
6 september 2013 |
22 min
How do robotic surgeons work? Do diamonds melt? What is heartburn? Can fish see colours, and what should anglers wear? What is brain plasticity? What would happen if an egg were dropped into boiling oil? What causes blushing? Why does holding the antenna of an AM radio improve reception? Like this podcast? Please help us by supporting the Naked Scientists
How does Digital Storage Work?
26 juli 2013 |
23 min
Is global warming a given? Can olive leaf extracts combat parasites? Is there a fake tanning pill? Why keep gas cylinders upright? How does digital storage work? Does reducing body temperture aid infections? How does the moon cycle affect human behaviour? Like this podcast? Please help us by supporting the Naked Scientists
Why is space dark?
19 juli 2013 |
23 min
Why is space dark; do bags of coins deter flies; why don't cats go grey; is GPS or an odometer more accurate; what was the effect of the Med drying up in the past; what does an ice-pack versus a hot-pack do for an injury; how might maternal diabetes affect a baby's future health, and should I let the tap run before drinking any water? Plus, urine-powered electricity supplies... Like this podcast? Please help us by supporting the Naked Scientists
Why are mechanical hearts hard to make?
12 juli 2013 |
24 min
Why are we ticklish? What happens to blood when we die? Why are mechanical hearts hard to make? What's a burb? Can a mushroom crack tarmac? Why do helium balloons fly forwards in the car when I brake? Why does microwaved milk explode when I stir it? Like this podcast? Please help us by supporting the Naked Scientists
Do Plants do Maths?
5 juli 2013 |
22 min
Do plants do maths? Has the Internet made us all more intelligent? Why did my milk freeze? Why do my hands get cold, but not my face? How did people realise Earth is round? What's red shifting? Why does squinting make it easier to see things? Why is water unreactive when hydrogen and oxygen are? What makes red shifting happen? Dr Chris answers more top science questions from South Africa... Like this podcast? Please help us by supporting the Naked Scientists
How do solar sails work?
28 juni 2013 |
21 min
How much ice are glaciers losing annually? What makes eyes itch? Is yoga beneficial to health? How do solar sails work? Do we have dominant feet? Why is a rainbow the shape it is? Plus, news of why breastfeeding could help your offspring to climb the social ladder... Like this podcast? Please help us by supporting the Naked Scientists
Meths for Mosquito Bites?
21 juni 2013 |
19 min
Why does yawning produce tears? Why do noses tend to run on a cold day? Is methylated spirit good for mosquito bites? Why do computer screens sometimes produce after-images on your eyes? Can blocking blood vessel growth cause cancers to stall? Is cola good for bloat? Is it really colder just as the sun rises? More top science questions from South Africa, as well as news of how the cornea keeps itself clear of blood vessels... Like this podcast? Please help us by supporting the Naked Scientists
Is the weather worse at weekends?
7 juni 2013 |
21 min
How do continental plates move? Is the weather worse at weekends? What does your brain choose to ignore? Why do wet fingers wrinkle? Are bullets fired into the air dangerous? Are premonitions real? Why does the Sun seem larger at sunset? Like this podcast? Please help us by supporting the Naked Scientists
Can we Reproduce in Space?
31 maj 2013 |
22 min
How much radiation would an astronaut encounter on the way to Mars? What causes loss of appetite during a fever? Why does camera red eye happen? Can we reproduce in space? Is mercury in dental fillings safe? How old are the atoms in the body? What causes tides? What's the point of male nipples? Why do trees lose leaves in winter? Like this podcast? Please help us by supporting the Naked Scientists
What is Colourblindness?
24 maj 2013 |
21 min
What is genetic diversity? What causes colourblindness? Why does a microwave turntable sometimes rotate in the opposite direction? How are genes linked to behaviour? How accurate are different dating methods? Where does sleep in your eyes come from? And how does an aeroplane wing work? Join Dr Chris for another top clutch of questions from South Africa... Like this podcast? Please help us by supporting the Naked Scientists
Why are bubbles white?
17 maj 2013 |
23 min
What attracts malaria-infected mosquitoes to people? How happens to the brain during adolescence? Why are bubbles always white? Would a sealed box containing an exercising person get lighter? What does a launching rocket push against? Why is water from the hot tap initially cold? What actually is a random number? And is there a formula to calculate the size of a parachute? Like this podcast? Please help us by supporting the Naked Scientists
What is Sleep Walking?
10 maj 2013 |
22 min
Does cold exposure cause colds? What consitutes safe drinking water? Why do distant lights and stars flicker? What is sleep walking? What causes bipolar disorder? How does sound travel in air? Plus, news of a vaccine to help crack heroin addiction. Join Dr Chris for more top science questions from South Africa... Like this podcast? Please help us by supporting the Naked Scientists
Does food affect body odour?
3 maj 2013 |
23 min
Does what we eat alter how we smell? Why does the severed tail of a lizard still wriggle? How does the nervous system re-wire itself? What's in snake and spider venom? Do fuel-saving devices for cars really work? Plus news of how honey helps bees to fight off infections, and pesticides... Like this podcast? Please help us by supporting the Naked Scientists
How do Touch Screens Work?
26 april 2013 |
23 min
Why do adults smell more than children? How are bionic implants contributing to longevity? What is progeria? How do touch screens work? Why do anti-HIV drugs cause fat redistribution? Why does power = volts x amps? What actually are dark matter and dark energy? Join Dr Chris for the answers to more cool questions from South Africa... Like this podcast? Please help us by supporting the Naked Scientists
Weaning and HIV
19 april 2013 |
18 min
Does holding a car remote to your head make it work better? Why does a boat float? Are triple rainbows real? What's a near-death experience? This week we also look at a new scientific study into why - and when - breast milk transmits HIV to a baby... Like this podcast? Please help us by supporting the Naked Scientists
Are babies born to swim?
5 april 2013 |
21 min
Are babies born to swim? Can you escape from a black hole? Can an egg with a double yolk yield two chicks? What causes nightmares? Why do we gesticulate when we speak? Why is the Moon visible by day? Dr Chris takes on more top questions from South Africa. Like this podcast? Please help us by supporting the Naked Scientists
Live from 702 HQ
28 mars 2013 |
35 min
Naked Scientists team, Ben Valsler, Chris Smith and Ginny Smith joined the 702 crew and a studio audience live in Johannesburg to talk science, build vacuum bazookas and challenge listeners' mathematical minds... Like this podcast? Please help us by supporting the Naked Scientists
Do Satellites Collide?
27 mars 2013 |
20 min
Do satellites collide? Can albinism be diagnosed on a scan? What causes the timing of the equinox to vary? Do bullets fired in the air still kill people? Can we make a human from just a genetic code? Why doesn't glue stick to the container? What's left underground once oil has been removed? And why can't we tickle ourselves? Join Dr Chris for another round up of the best science questions from South Africa. Like this podcast? Please help us by supporting the Naked Scientists
Why does Washing Shrink?
15 mars 2013 |
23 min
Who was John Snow? Why do things shrink in the wash? How does carbon dating work? Is intelligence down to mitochondria? Why does the banner also bank behind a banking aircraft? And how does the human body develop in utero? Dr Chris answers more top science questions from South Africa... Like this podcast? Please help us by supporting the Naked Scientists
How does a gastric bypass work?
8 mars 2013 |
20 min
Does a cloudy day aggravate arthritis? Was the biblical flood real? How does a gastric bypass work? Will a knife in water go blunt? Where do the skeletons on sunken ships go? Why do cats have an extra fold of skin in their ears? And why transmit electricity at high voltage? Dr Chris joins Redi Thlabi for thirty minutes of quickfire Q and A... Like this podcast? Please help us by supporting the Naked Scientists
Are urine and sweat the same?
1 mars 2013 |
18 min
How did horse meat end up in the food chain? Is baking foil bad for you? How big are viruses? How are urine and sweat produced? How do hydrogen vehicles work? And how do we measure the height of things above sea level? Join Chris Smith for this week's crop of top questions from Talk Radio 702, South Africa. Like this podcast? Please help us by supporting the Naked Scientists
How do pills know where pain is?
22 februari 2013 |
18 min
Why do ovaries run out of eggs and what affects egg quality? Why does diesel smell nice but burning engine oil is unpleasant? Do genes from genetically modified organisms get into eggs and sperm? Does lead affect behaviour? What causes motion sickness? Join Dr Chris for another run of science questions from South Africa... Like this podcast? Please help us by supporting the Naked Scientists
Are you taking the Higgs?
8 februari 2013 |
18 min
How does alcohol cause liver cirrhosis? Can we make matter massless by removing Higgs particles? How did spiders evolve web-making skills? What is insulin resistance? What does fluoride do? And do scars sustained by adults manifest in their offspring? This week Dr Chris takes on more questions from Talk Radio 702 South Africa. Like this podcast? Please help us by supporting the Naked Scientists
Why Tired Toddlers Rub Their Eyes
1 februari 2013 |
22 min
Are helium-filled balloons less likely to pop? How does a cordless toothbrush charge? Is there much mercury in compact fluorescent bulbs? Why do tired toddlers rub their eyes? Is lactose intolerance more common than it once was? And is it possible to trigger earthquakes artificially? Dr Chris answers this week's burning questions on Talk Radio 702, South Africa... Like this podcast? Please help us by supporting the Naked Scientists
How does blood doping work?
25 januari 2013 |
22 min
What is involved in blood doping in sports? Can beetroot make urine red? Can mosquitoes transmit HIV? How do dung beetles use the Milky Way to navigate? Do sneezes stop your heart? Can you hear a supernova? Could plants grow on Mars? Why do ants keep drowning in my drink? Why do we not notice Earth turning? And can flour relieve burns? Dr Chris takes on another batch of top science questions from South Africa. Like this podcast? Please help us by supporting the Naked Scientists
Making more twins
21 december 2012 |
22 min
How box jellyfish venom exerts its lethal effect, will the World end, how were the pyramids aligned, why does humid air feel hotter, why does a hot water stream slow after the tap is opened, what causes lights to twinkle, why do humans have language, is there a way to make more twins, where do stepped-on snails go, and why do diabetics sometimes smell like pear drops? Dr Chris tackles another crop of top questions... Like this podcast? Please help us by supporting the Naked Scientists
Can genes re-write their own code?
7 december 2012 |
21 min
Carp with compasses, why we have earwax, what causes CIDP, can genes re-write their own code, do bananas in brown bags stay fresher longer, does hot water sound different, why veins look blue and what is coarctation of the aorta? Like this podcast? Please help us by supporting the Naked Scientists
Do tyres on the roof repel lightning?
30 november 2012 |
21 min
Why do we age? Why do frogs end up in the swimming pool when it rains? Are mosquitoes attracted to some people more than others? What is epigenetics? What causes Bell's Palsy? How do frogs find water? Do tyres on the roof repel lightning? Answers to more great science questions from South Africa with Dr Chris... Like this podcast? Please help us by supporting the Naked Scientists
Do Blood Donors Live Longer?
9 november 2012 |
23 min
Do blood donors live longer, is water safe in plastic bottles, is Earth gaining weight and are space probes sterile? Plus, how fireflies have helped engineers make even brighter LEDs. Like this podcast? Please help us by supporting the Naked Scientists
What causes hurricanes?
2 november 2012 |
22 min
What causes hurricanes? How does plastination work? Why do we go grey? Does grunting make muscles work harder? Do parallel universes exist? What causes hot flushes? Are there any IQ tests for babies? Do plants benefit from being talked to? Join Dr Chris for this week's round up of top science questions from South Africa. Like this podcast? Please help us by supporting the Naked Scientists
Why don't eyebrows go grey?
26 oktober 2012 |
23 min
Why aren't bubbles coloured like the soap they came from? Does holding a remote control to you head make it work better? Why has exercise reduced my alcohol tolerance? Is it by design that the names of all continents start and finish with the same letter? Why don't eyebrows go grey at the same time as head-hair? Do things taste different on opposite sides of the mouth? Why remove metal objects before a medical scan? And why does running water make me want to wee? Join Dr Chris for the answers to this week's questions as well as news of a way to correct mitochondrial enzyme defects... Like this podcast? Please help us by supporting the Naked Scientists
Why do some people have only boy babies?
19 oktober 2012 |
22 min
How do atoms change inside stars? How did Felix Baumgartner accelerate to over 800 miles per hour? What is inside a black hole? What decides the sex of a baby? What causes jetlag? Could we use the movement of seawater inside the Earth's magnetic field to make electricity? Why is the sea salty? Plus, are women born to flirt? Dr Chris has the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why are aeroplane doors always on the left?
12 oktober 2012 |
23 min
Why is skin the mouths of animals pink? Why doesn't water immediately fall out of clouds? How do we use light to send information into space? Why did a stomach explode after a liquid nitrogen cocktail? What are chimaeras? How will Felix Baumgartner get to the edge of space for his free-fall jump? Why is your breath both hot and cold against your hand? Why are the entry doors to an aeroplane always on the left side? And why do toenails seem to grow more slowly than fingernails? Join Chris for another rampage through the best science questions South Africa has to offer! Like this podcast? Please help us by supporting the Naked Scientists
Why does boiled water taste different?
28 september 2012 |
21 min
Is the Earth about to gain a new tectonic plate? What is pompholyx and what are the treatment options? Why does sunburned skin blister? Why does boiled water taste different? Is there anyone who can still make a pencil from scratch? Why won't sugar solutions freeze? Why does my dog yawn when it gets up? Does famine affect genes in future generations? Like this podcast? Please help us by supporting the Naked Scientists
How do hair transplants work?
21 september 2012 |
24 min
How is the effectiveness of environmental interventions measured? What's the scientific definition of nothing? Why do farts smell worse in the shower? What happens when an aircraft breaks the sound barrier? What should I drink with lunch? What's happening with ITER? How are flu vaccines made? How do hair transplants work? Like this podcast? Please help us by supporting the Naked Scientists
Can we turn an asteroid into a space-station?
14 september 2012 |
22 min
Why does a local anaesthetic make my face feel fat? How do worms get into food? Would a taxi driver find a map of a new city easier to learn? From where did the asteroid belt form? Why is the lower lip more prone to chaps? What makes birds decide to sing at 5am? Can we make a spacestation inside an asteroid? Do you believe in UFOs? Another crop of top questions from 702 listeners gets answered... Like this podcast? Please help us by supporting the Naked Scientists
Where does amniotic fluid come from?
6 september 2012 |
20 min
How did NASA get their cameras to work in the cold on the moon? How does a cordless electric toothbrush charge itself? What is adult respiratory distress syndrome? Where does the amniotic fluid around a baby come from? Why are Olympic races run anticlockwise? Why is sunscreen advised even on cloudy days? What is more accurate, my speedometer, or the speed recorded by my GPS? And why do my sunglasses make LCD displays look strange? This week Dr Chris takes on more of your science questions... Like this podcast? Please help us by supporting the Naked Scientists
Why don't aeroplane tyres explode?
31 augusti 2012 |
20 min
Is a heater more efficient than a lightbulb? Why does your tongue stick to ice? Do planes alter the weather around airports? What's a headache? Do dreams alter your metabolism? Is medicine making the population less fit? Is teething linked to diarrhoea? Why don't aircraft tyres explode? Join Dr Chris for this week's round up of intriguing science questions and answers from Talk Radio 702... Like this podcast? Please help us by supporting the Naked Scientists
What is a Black Hole?
24 augusti 2012 |
1 min
Why does my GPS think my car has moved in the garage at night? Can humans survive a space-ride to Mars? Why are epsom salts worth their salt? What is a black hole and what is inside it? How do the equations for special relativity and kinetic energy relate? Why is Pluto where it is in the solar system? Why have right and left headphones? Join Dr Chris for this week's brain-stretching science phone-in on 702. Like this podcast? Please help us by supporting the Naked Scientists
Why are there 360 degrees in a circle?
10 augusti 2012 |
20 min
How do nerves conduct electrical impulses? How long does it take a bee colony to make a beehive? Why are there 360 degrees in a circle? How does special relativity work? What happens to a live insect if you swallow it? Is there a north, south, east and west in space? What happens to a diesel engine when the fuel shuts off? Dr Chris needs your help this week, because he's not an apiculturist or a mathematical historian... Like this podcast? Please help us by supporting the Naked Scientists
Why should salt have a sell-by date?
27 juli 2012 |
22 min
What's the point of making medicines fizzy? Why should salt have a sell-by date? Is boiled water as good as distilled for my iron? Do we actually only see half a movie? Where do foreign bodies dislodged from the eye go? Is lactose intolerance becoming more common? What causes morning sickness, and is it a risk for mother and baby? Join Dr Chris for this week's round-up of top questions from Talk Radio 702, South Africa... Like this podcast? Please help us by supporting the Naked Scientists
What causes anencephaly?
20 juli 2012 |
22 min
This week, what causes anencephaly and exencephaly? Can electric cars recharge themselves from their wheels? How do astronomers determine the composition of exoplanets? Why do things move when I switch eyes while looking at them? Why do animals of the same species all look identical? Can we get dinosaur DNA out of amber? Do hands and feet get fat when a person puts on weight? Join Dr Chris for the latest round up of top questions from Talk Radio 702, South Africa. Like this podcast? Please help us by supporting the Naked Scientists
Why doesn't the sea sink into the seafloor?
13 juli 2012 |
23 min
This week, the cause of vitiligo, whether pork is linked to a sore throat, what happens to a flame in microgravity, what causes albinism, what is dark matter and why can't we see it, why doesn't the sea sink into the seabed, why is window-cleaner fatal for flies, what determines diastolic blood pressure and why are some babies born prematurely? Dr Chris takes on more top questions from the listeners of Talk Radio 702... Like this podcast? Please help us by supporting the Naked Scientists
Why do wounds itch?
6 juli 2012 |
24 min
What does the discovery of the Higgs particle mean? How do flies land upside down on the ceiling? What happens when we divide by zero? Why do healing wounds itch? Does my washing dry by osmosis? How do fibre optics work? What causes a headache? Like this podcast? Please help us by supporting the Naked Scientists
Could we Plug In an Electric Eel?
22 juni 2012 |
22 min
Is the moon brighter overhead? Why do babies have higher heart rates? Do men snore more than women? What is peripheral neuropathy? Why are our organs wet inside? How do electric eels work? Why do wires tangle? What is the basis of a skin graft? This week Dr Chris takes on more tough questions on TalkRadio 702, South Africa... Like this podcast? Please help us by supporting the Naked Scientists
Could Lightning Power a Town?
15 juni 2012 |
20 min
What gives a flame its colour, and what is the hottest part? What limits the height of a skyscraper? How does post-exposure prophylaxis for HIV work? How do they put the lines on a clay tennis court? Why do some songs cause goose-pimples? Why are some people better at withstanding temperature extremes? And can lightning be collected as a power-source? Join us for the answers and some lively chat from Talk Radio 702, South Africa. Like this podcast? Please help us by supporting the Naked Scientists
Are Muscle Transplants Possible
12 juni 2012 |
22 min
Who was Phillip Tobias, how do self-focusing binoculars work, are muscle transplants possible, what is the bone structure of a snake, what happens when several sounds interact, will we still be evolving in the future, why is air transparent and what comes up when you clear your throat? Dr Chris has the answers to this week's crop of questions from Talk Radio 702 South Africa. Like this podcast? Please help us by supporting the Naked Scientists
Can viruses catch colds?
31 maj 2012 |
25 min
Do birds have a sense of smell? Are penicillin allergies permanent? How do vultures identify dinner? Does light travel forever? Is alcohol added to cooked food safe for an alcoholic? Do viruses have viruses that prey on them? How do bees track down my beer? Are some people genetically programmed to commit crime? Can two twins have different fathers? How did the power of speech first evolve? Dr Chris Smith has the answers... Like this podcast? Please help us by supporting the Naked Scientists
Will my wife look like my mother-in-law?
25 maj 2012 |
22 min
What makes dog poo turn white? Is water really wet, or does it just wet things? What was the nuclear impact of Fukushima? Where did my big ants go? Do microwaves alter water? Is the world changing shape? Where do corrugations in dirt roads come from? How did the Universe come by its water? Will my wife really end up looking like my mother-in-law? Join Dr Chris for another crop of top questions from 702, South Africa. Like this podcast? Please help us by supporting the Naked Scientists
Can Aeroplanes run on Diesel?
18 maj 2012 |
23 min
Are premium-priced fuels really worth the extra cost? Why are males born with nipples? Is a male contraceptive pill in the offing? Do all animals get the same number of heartbeats? Does any one organ failing cause death? Can aeroplanes run on diesel? Why does silver tarnish? What causes lightning? Is mental illness curable? Join Dr Chris for the answers to this week's crop of queries from South Africa. Like this podcast? Please help us by supporting the Naked Scientists
Why do I want to eat chalk?
4 maj 2012 |
24 min
Why do I bruise more easily now I'm older? Why do some wind turbines spin in reverse? Are UV sunbeds worse for young skin? Ozone therapy, or quackery? Why do I want to eat chalk? Is blood the same in all animals? And alongside the answers to the best science questions 702 listeners have to offer, Dr Chris also reveals new radio-controlled cells... Like this podcast? Please help us by supporting the Naked Scientists
How does snake venom work?
29 mars 2012 |
23 min
What substances are in snake venom? Where is sea-level measured? Are any of my cells the original ones I was born with? Are we seeing the effects of global warming? How does planetary precession work? How do bullets do damage? How can you tell when a melon is ripe? Why are men so stubborn? Plus, how fossilised raindrops are shedding light on what Earth's atmosphere was like 3 billion years ago... Like this podcast? Please help us by supporting the Naked Scientists
How long can a human heart remain stopped?
23 mars 2012 |
22 min
What causes jaundice in newborn babies? What is vitiligo? How do liquids behave in space? What causes cardiac arrests? What would happen if Earth span in reverse? What is Bell's Palsy? What are quarks? And how do hiccups occur? Join Dr Chris for this week's crop of questions from South Africa's Talk Radio 702 Like this podcast? Please help us by supporting the Naked Scientists
Why do Whales have Horizontal Tails?
9 mars 2012 |
23 min
Does alcohol affect men and women the same way? Do other animals menstruate? Does intensive training affect a woman's fertility? Is it bad for birds to drink from my swimming pool? Should I shower during a thunderstorm? What causes a febrile convulsion? What is photocatalysis? Who gets gallstones and what are they? Why do whales have horizontal tails? Join Dr Chris on Talk Radio 702 for this week's select crop of top science questions... Like this podcast? Please help us by supporting the Naked Scientists
Why do Bubbles go Down in Guinness?
2 mars 2012 |
21 min
What does the genetic fingerprint of Ozti, the 5300-year-old Alpine iceman, reveal? Why do the bubbles in a glass of Guinness appear to be defying the laws of physics? Could we replace food with pills? Why did a dead bee still sting me? Is there any evidence that Voodoo does do anything? Why do balloons go bang? How do ducklings recognise their mothers? And why are planets round? Join Dr Chris for this week's crop of top science questions from South Africa... Like this podcast? Please help us by supporting the Naked Scientists
In-Vitro Meat?
24 februari 2012 |
21 min
Can we grow a hamburger in a dish? What's the one meat that vegetarians can ethically eat? Do ants regard rival colonies as friends, or foes? What causes a cerebrospinal fluid leak and can it be repaired? Are flies the same everywhere? Why does beer freeze when you get it out of the fridge? And what could cause an itchy neck? Join Dr Chris for the answers to Talk Radio 702's top science questions... Like this podcast? Please help us by supporting the Naked Scientists
Are insecticides painful for insects?
17 februari 2012 |
20 min
Why is amputation necessary in cases of gangrene? What is aspartame and can it cause Alzheimer's? What's the basis of the Atkins Diet? How is melanin made and is neuromelanin the same stuff? Why do objects in the rear view mirror appear closer than they are? Are insecticidal deaths painful for insect victims? Why does booze cause a ruddy complexion? And at what age do babies begin to think? Join Dr Chris for another round up of top quality questions from South Africa... Like this podcast? Please help us by supporting the Naked Scientists
What causes Deja vu?
10 februari 2012 |
20 min
What is freezing rain, do cats control their owners, how do accents arise, why does hair go grey, what is the origin of deja vu, why did my glass table spontaneously explode and is the world population becoming more or less genetically diverse? Dr Chris tackles this week's round up of the best science questions from South Africa.... Like this podcast? Please help us by supporting the Naked Scientists
What is a hydatidiform mole?
27 januari 2012 |
23 min
This week we debate whether wounds should be left open or covered up, why toenails - but not thumbnails - ingrow, what is hydatid disease, whether we can tag people to track them for life, what causes ringworm, the difference between a TIA and a stroke and what happens to the solid fuel boosters jettisoned by the space shuttle during ascent. Plus, a look at jumping spiders' eyes! Join Dr Chris on Talk Radio 702 for all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Why do veins look blue?
20 januari 2012 |
22 min
How much water should you drink in a day? Can miscarriages be prevented? What's more efficient - leaving the hot water on constantly, or heating it only when needed? Why are some eggs double yolkers? What's the point of flies? And why do some people have more than five fingers? Join Dr Chris for another crop of South Africa's top science questions on Talk Radio 702... Like this podcast? Please help us by supporting the Naked Scientists
How do they get the stripes in the toothpaste?
13 januari 2012 |
23 min
Are cellphones safe? Why should cornflour make irradiated skin more comfortable? Why do dogs turn in circles before they lie down or defaecate? Are there any materials transparent to the eye but opaque to a camera? Is the Sun orbiting anything? How do they get the stripes in the toothpaste? Is blood donation an alternative to dieting? What do cows actually eat - grass, or bacteria? And why are birds so clever yet we rule the world? Join Dr Chris and the 702 crew for the first episode of Ask the Naked Scientists, 2012... Like this podcast? Please help us by supporting the Naked Scientists
Do My Koi Know My Voice?
25 november 2011 |
21 min
What is the best way to manage autism? Do we swap molecules when we touch each other? Can my koi recognise my voice? Can methane be used for firing my pots? Are out of body experiences real? Are vitamin supplements a pill worth paying for? Join Dr Chris as he tackles this week's crop of questions from Talk Radio 702, South Africa, and also brings us news of the finding of the world's first fishing tackle... Like this podcast? Please help us by supporting the Naked Scientists
Why would Humans Explode?
18 november 2011 |
22 min
Is there any evidence for acupuncture? Compared with coffee left to stand, why does freshly-brewed make a different sound when stirred? Does disprin deal with cold sores? Why would blood pressure and cholesterol drop after a trip up Kilimanjaro? What conditions might make a man explode? How does the oral contraceptive pill work? Can it fool a pregnancy test? Why do planes ditch fuel before an emergency landing? What's ozone therapy and do parallel universes exist? Join Dr Chris for the answers to this week's crop of Talk Radio 702 questions from South Africa... Like this podcast? Please help us by supporting the Naked Scientists
Weight loss injection
11 november 2011 |
22 min
On Ask! The Naked Scientists this week, an injection to combat obesity, and we debate whether pigeons can tell one another apart... Like this podcast? Please help us by supporting the Naked Scientists
Why Are Planets Round?
4 november 2011 |
22 min
Why do more eggs means less water in an egg boiler? Does a hip replacement shorten a leg? Where do beetles go in winter? And why are planets round? Plus, how killing off aged cells improves vitality, why pollution is intensifying cyclones and how skin cells can see UV... Like this podcast? Please help us by supporting the Naked Scientists
Are We All Equally Sweaty?
28 oktober 2011 |
27 min
Why do electric clocks lose time, what's smaller than an atom, what is sickle cell disease, does ice stop a nose-bleed, can cartilage be replaced and where does sweat come from and are we all equally sweaty? Ask! this week comes from the British Society for Gene Therapy conference in Brighton which kicked off with a DNA fingerprinting race... Like this podcast? Please help us by supporting the Naked Scientists
Why can't you tickle yourself?
21 oktober 2011 |
23 min
This week, why does a bout of flu leave you with blocked ears? Can grapefruits be engineered to taste like meat? Why is genetic diversity highest in Africa? Why can't we tickle ourselves? And why does seeing someone else suffer make us experience pain ourselves? Plus, news of a treatment for chronic fatigue syndrome, why antivirals might abate Alzheimer's and how seaweeds make corals seasick... Like this podcast? Please help us by supporting the Naked Scientists
What is an itch?
14 oktober 2011 |
22 min
Where do allergies come from? What "actually" is an itch? What is meant by matching a donated organ? Why do veins distend on a hot day? What causes floaters in the eye? Join Dr Chris for the answers to this week's fast and furious barrage of questions, as well as news of the origins of the plague... Like this podcast? Please help us by supporting the Naked Scientists
Can you sneeze in your sleep?
7 oktober 2011 |
25 min
Why do some things dissolve but others don't, what are the stains on the towels at the gym and how do astronauts keep their balance in the absence of gravity? Also, what causes meteor showers, can you sneeze in your sleep, what's the best way to dislodge a foreign body in the eye, what is pancreatic cancer and what causes sweaty hands and feet? The answers to this lot, plus news of how Earth came by its water and a chemical to keep unblocked arteries clear... Like this podcast? Please help us by supporting the Naked Scientists
Can frozen onions make you cry?
30 september 2011 |
23 min
Why do onions make you cry and will a frozen onion have the same tear-jerking effect? What medicinal qualities does aloe vera possess? Is ice-crunching harmful? What's the best way to prop up metabolism as we age? What can I do about stress incontinence? Plus, news of what Tweets posted online can tell us about the population's collective mood, and a new way to tell who needs extra investigations after a heart attack... Like this podcast? Please help us by supporting the Naked Scientists
What causes Humans to Combust?
16 september 2011 |
21 min
Does cooking with gas taste better, why are yawns infectious, how does carbon dating work, what is spontaneous human combustion, why won't a nine year old blow his nose and how can contraceptives help ovarian diseases? Dr Chris takes on this week's slew of science from South Africa and also asks what fatherhod does for a man's testosterone levels. Like this podcast? Please help us by supporting the Naked Scientists
How do electrons orbit in atoms?
2 september 2011 |
22 min
Where does the energy come from that keeps electrons in orbit within an atom? Can cars and truck weigh themselves like lifts to prevent overloading? How long do some atoms or molecules last in the body? What causes croup? Why would electrolysed water go green? Can viruses trigger asthma, and what is reflex sympathetic dystrophy? Join Dr Chris for the answers to this week's round up of questions as well as news that probiotic bacteria can alter brain chemistry - certainly food for thought! Like this podcast? Please help us by supporting the Naked Scientists
How much mucus is made in a day?
19 augusti 2011 |
22 min
Where and in what volume is mucus made in the body? Why do bums look darker that skin elsewhere on the body? How does laughter or low mood affect health and immunity and what causes urticaria? Join Dr Chris for the answers as well as news of a new gene screen technique to find new treatments using old drugs and why climate change is driving animals uphill... Like this podcast? Please help us by supporting the Naked Scientists
Is a Dragster Faster Going East?
12 augusti 2011 |
24 min
What makes the eye's pupils change size? Does scratching a coin make a machine more likely to accept it? Why does a copper bangle change colour periodically? Does the spinning of the Earth affect the top speed of a dragster? Does ice weigh less than water? Are glyconutrients beneficial for arthritis? And what makes a nose sweat more in winter than summer? join Dr Chris for the answers to these questions as well as news of how fungi and plants create their own free-market economies, and how scientists can reprogramme the immune system to combat cancer... Like this podcast? Please help us by supporting the Naked Scientists
Do microwaves cook from the inside out?
5 augusti 2011 |
23 min
NASA announce signs of running water on Mars and scientists turn skin cells into brain cells. Plus the answers to why certain drugs work well for some people but not others, why my muffin burns in the middle in the microwave, why things defrost badly in microwave ovens, the origin of handedness, what causes someone to snore in the daytime, why do some smells linger longer and why do my eyes water when I bend forward? Like this podcast? Please help us by supporting the Naked Scientists
Should I Let the Dog Lick My Wounds?
15 juli 2011 |
24 min
This week - Will wounds heal quicker if licked by a dog? Why does flying cause earaches? How do gas masks work? Why don't continuous rails buckle in the heat? Why do egg shells come in different colours? Dr Chris joins Redi to discuss all of these and more... Like this podcast? Please help us by supporting the Naked Scientists
Plummeting Lifts and Replacement Windpipes
8 juli 2011 |
24 min
Does jumping inside a plummeting lift prior to impact prevent a fatal fall? What causes echoes on phones? Are trees actually net oxygen consumers? Why do my ice cubes grow stalagmites? Why do farts deployed underwater have a worse whiff? Why can't we split carbon dioxide and use the oxygen? What's the story about the first artificial windpipe grown from a patient's own cells? Join Dr Chris for this week's round up of science questions and trivia on Talk Radio 702. Like this podcast? Please help us by supporting the Naked Scientists
Why is the Sky Blue?
1 juli 2011 |
43 min
This Week, Chris Smith and Ben Valsler join Redi in the studio for an extended Ask the Naked Scientists! We find out why the sky appears blue and if electric blankets are bad for your health. Plus, how hot is empty space, how do dogs see the world and many more science questions. Like this podcast? Please help us by supporting the Naked Scientists
Is the ice in the freezer edible?
10 juni 2011 |
21 min
How do doctors name phobias? Is the ice on the freezer sides safe to eat? What is the low-frequency hum I can hear? Is pipe tobacco tar good for cuts and sores? Why do birthmarks persist? What keeps the head so hot? Why are animals alarmed by loud noises? A bumper crop of science questions awaits Dr Chris in this week's Ask the Naked Scientists... Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by supporting the Naked Scientists
How do painkillers know where it hurts?
3 juni 2011 |
23 min
Can haemorrhoid cream treat under-eye bags, how much radiation was released from Fukushima, why is the moon larger on the horizon, what constitutes stamina, are mobile masts making me ill, why does logic vary between individuals and how does a drug know where to go in the body? Join Dr Chris for the answers and news of the E. coli outbreak in Europe and a new molecule to render mosquitoes anosmic! Like this podcast? Please help us by supporting the Naked Scientists
Why Stones Chip Windows on the Inside
27 maj 2011 |
23 min
Can a tropical storm be steered? Why should a stone hitting the outside of a window produce a chip on the inside surface? Why do aircraft sound louder going away than when they approach? Dr Chris gets to grips with another crop of top questions as well as news of a new magnetic material activated by electrons, a dye to image the insides of arteries and how scientists have sized up the shape of the electron... Like this podcast? Please help us by supporting the Naked Scientists
What causes sensitive teeth?
20 maj 2011 |
21 min
Why can't a person see clearly underwater, what causes sensitive teeth, why do I wake up paralysed and can snail shells treat scars? Join Dr Chris for the answers to this week's crop of science questions as well as news of a breakthrough in immune suppression, a sugar-fuelled filter to remove chemicals from drinking water and why gossip affects the way you look at people... Like this podcast? Please help us by supporting the Naked Scientists
Can Males Donate Organs to Females?
6 maj 2011 |
21 min
Why is sea level rising, are organ transplants between males and females feasible, what keeps a moving bike upright and what causes epilepsy? Join Dr Chris for the answers to this week's crop of top questions as well as how climate change is denting wheat and maize yields and how the box jellyfish can see where it's going... Like this podcast? Please help us by supporting the Naked Scientists
Why do bats dangle upside down?
15 april 2011 |
23 min
This week, modelling schizophrenia in a dish, why bats roost inverted, what remains in the ground after oil has been removed, why planets form on a horizontal plane, why we get goosepimples, near-death experiences, the cause of cold urticaria and why an ice-cube is white in the middle. Like this podcast? Please help us by supporting the Naked Scientists
What is Yuppie Flu?
7 april 2011 |
22 min
Are there any impacts of ground fracturing to recover oil and gas, how do colour-changing creatures coordinate with their surroundings, why do ants invade peoples' houses, what is "yuppie flu" and are all snowflakes really different? Plus, news of how scientists are growing a replacement retina in a dish and why keeping the world tidy makes the population less prejudiced... Like this podcast? Please help us by supporting the Naked Scientists
Where do soundwaves go?
25 mars 2011 |
29 min
The fate of soundwaves, can salamanders use silicon, why did the moon come closer to Earth, do you need to inhale to smell something, how do drugs know where it hurts and what preceded the Big Bang. Join Dr Chris for the answers to this week's crop of questions and news of how fish are helping scientists solve the problem of melanoma... Like this podcast? Please help us by supporting the Naked Scientists
Why not put reactors underwater?
18 mars 2011 |
25 min
Should you keep your banana in the fridge? Why are ice-cubes easier to eject from top-shelf freezer trays? Why not site nuclear reactors underwater in the ocean to help keep them cool? Why was the tsunami water that hit Japan so dirty? Why did the Fukushima reactors release hydrogen? Where did my some get his altered earlobes? Join Dr Chris for this week's crop of questions from 702, including a look at the nuclear threat from Japan as well as gene therapy for Parkinson's Disease and how sperm get turned on... Like this podcast? Please help us by supporting the Naked Scientists
Why Don't Mosquitoes Burst?
15 mars 2011 |
25 min
What causes the rainbow of colours around an aircraft's shadow, why are moths and mosquitoes attracted to lights, plasma vs LCD TV - what's the difference, how does a mosquito know when it's full of blood, are you ever too old to learn, and how do scientists calculate the calories in foods? Join Dr Chris for this week's bumper crop of questions from TalkRadio 702... Like this podcast? Please help us by supporting the Naked Scientists
Where do Melons Get their Water?
25 februari 2011 |
22 min
How do melons concentrate water in their flesh? Why do some hairs grow longer than others? What's the advantage of African curly hair? Does the DNA of a donated organ displace that of the recipient? What are sunspots? Join Dr Chris for another mind-stretching mental work out solving your scientific problems as well as news of how mamalian hearts can regenerate themselves, and a new lasrer technique to spot melanoma... Like this podcast? Please help us by supporting the Naked Scientists
Asthma, Pool Cleaners and MRSA
11 februari 2011 |
23 min
This week, the causes of asthma, a new way to "K.O." MRSA, what is lupus and can it be controlled, how do metal-salt pool cleaners work and are henna tattoos safe? Like this podcast? Please help us by supporting the Naked Scientists
Can corks cure cramps?
4 februari 2011 |
23 min
This week, how stimulating the brain can help you to think outside the box, why corks in the bed can cure cramps, the inside information on itching, the brain basis of meditation and what happens when we do it, the science of sleep, and where did domestic animals come from? Join Dr Chris as he pits his wits against this week's round up of top science questions on 702... Like this podcast? Please help us by supporting the Naked Scientists
Two Suns in the Sky?
28 januari 2011 |
20 min
Straight from the horse's mouth, or cow's stomach, this week how scientists have found the genetic clue to better biofuels; also, the brain basis of addiction, the cause of false-positive HIV tests, what causes the colours in a peacock's feathers, is Betelgeuse about to blow up, and what's neurofibromatosis? Join Dr Chris on this week's whistlestop tour of the scientific cosmos as he looks for the answers to life, the Universe and everything... Like this podcast? Please help us by supporting the Naked Scientists
What causes kidney stones?
21 januari 2011 |
22 min
Where do renal calculi come from, can weight loss halt diabetes, how might neuro-feedback help ADHD and autism, what causes panic attacks and are artificial sweeteners safe? Join Dr Chris for the all answers on this week's Ask the Naked Scientists, from Talk Radio 702. Like this podcast? Please help us by supporting the Naked Scientists
To Pee, or not to Pee?
14 januari 2011 |
26 min
Could personal nuclear reactors power towns, why can't eyes be transplanted like livers, is it dangerous not to pee and poo when you need to, do drugs damage sperms and eggs, and how do rain and distilled water differ? Join Dr Chris as he pits his wits against these and other scientific mysteries... Like this podcast? Please help us by supporting the Naked Scientists
How do cats navigate?
7 januari 2011 |
23 min
How cats find their way back to their former homes, the science of self-winding watches, why sunlight triggers sneezes, the basis of lightning and does an open window deter a strike, how fast gravity propagates, is it better to turn off the hot water in the daytime and why do thunderstorms cause powercuts? Join Dr Chris for the answers in this week's brain-expanding episode of Ask! Like this podcast? Please help us by supporting the Naked Scientists
Can a Mobile Phone Unlock a Car?
24 december 2010 |
44 min
What's a light-year, why is the earliest dawn not on the solstice, is the Sun hotter in South Africa, what causes neuropathy, can batteries short out in my pocket, is there a non-surgical solution to a squeaky voice, can my cell phone unlock my car and why does tapping a cup of cocoa make the pitch go up? Join Dr Chris for this week's festive selection of scientific conundra, on Talk Radio 702... Like this podcast? Please help us by supporting the Naked Scientists
Do Oxygen Levels Go Down in Winter?
17 december 2010 |
23 min
How did a lightning storm spark a glowing ball above a roof, do atmospheric oxygen levels dip in winter, does anyone naturally not have fingerprints, are humans still evolving, and what's the story behind Lorenzo's Oil? Join Dr Chris for an intellectual work out with this week's round up of brain-stretching science... Like this podcast? Please help us by supporting the Naked Scientists
Is the moon upside down?
10 december 2010 |
22 min
What can hydrogen reveal about the structure of the early Universe and what causes Alzheimer's Disease; is the moon upside down when seen from south of the equator, what causes Autism and can it be treated and why do I only need 4 hours sleep? Join Dr Chris in this discusion on this week's Ask the Naked Scientists... Like this podcast? Please help us by supporting the Naked Scientists
Why do some songs get stuck in your head?
3 december 2010 |
27 min
Kangaroo mothercare, why we all look different, what's the capacity of the human brain and why do some songs get stuck in your head are all up for analysis this week, and Dr Chris also has news of how worms can treat inflammatory bowel diseases, a memory-erasing treatment for chronic pain, and bacteria that thrive on arsenic... Like this podcast? Please help us by supporting the Naked Scientists
Why Do We Sleepwalk?
26 november 2010 |
25 min
What's more accurate, vehicle speed according to a GPS unit, or the speedometer? Also, what causes the Earth's magnetic field to flip, why do people sleepwalk and can the shrunken state of an accidentally boil-washed jersey be reversed? Join Dr Chris as he pits his wits against this week's science question selection and also discusses news of the discovery of sugar transporters in plants and a way to age a person using just a drop of blood... Like this podcast? Please help us by supporting the Naked Scientists
How does an astronaut swallow in space?
19 november 2010 |
24 min
How do space travellers navigate, can you swallow in microgravity, does apple cider vinegar help with weight loss, is there a "gay" gene, why did a game of football come to a frosty conclusion and why do some plant pigments change colour in water? Join Dr Chris for another fact-soaked foray into the world of science... Like this podcast? Please help us by supporting the Naked Scientists
Does Diesel Pollute More Than Petrol?
12 november 2010 |
21 min
This week, how Tetris could hold the key to blocking the bad memories and flashbacks behind post traumatic stress disorder and how an old drug could provide a new answer to neuroprotection from Parkinson's Disease. Also, why dark skin is more prone to scarring, is diesel a worse polluter than petrol, and does soap just detach bacteria from the skin, or kill them? Join Dr Chris on Talk Radio 702 to find out... Like this podcast? Please help us by supporting the Naked Scientists
Can humans get stuck together during sex?
5 november 2010 |
22 min
Where do accents come from, can glass be magnetised, what's the point of males and females and can people get locked together during sex? Join Dr Chris to find out and to hear about a new way to combat cancer, a novel way to block brain damage done by a stroke and how scientistsw are boosting mathematical ability, with a dose of electricity... Like this podcast? Please help us by supporting the Naked Scientists
How Does Deodorant Work?
29 oktober 2010 |
21 min
The Naked Scientist, Chris Smith strips science down to its bare essentials.How does grass break concrete?is one of the questions answered in this fascinating show. Like this podcast? Please help us by supporting the Naked Scientists
Can I Crush my capsules?
22 oktober 2010 |
25 min
What stops water moving through a tiny hole, are ground up tablets safe to swallow, what are freckles, how fast can a human heart beat, what happens when a cataract is removed, where do fat flies come from and how does the moon influence the Earth? Join Dr Chris as he pits his wits against this week's round up of science questions from South Africa... Like this podcast? Please help us by supporting the Naked Scientists
Am I ambidextrous?
15 oktober 2010 |
24 min
This week Dr Chris discusses how volcanoes can cut global warming, the evidence for genes linked to race, whether ambidexterity is real, the cause of crop circles, news of a new vaccine for tuberculosis (TB) and the tale of a comet that turned into an asteroid... Like this podcast? Please help us by supporting the Naked Scientists
Where Does Belly Button Fluff Come From?
8 oktober 2010 |
25 min
Are fat cells all made equal, why women glow while men perspire, the science of electromagnetic induction, what is emphysema, how are drug doses determined, is the Earth gaining weight and where does belly button fluff come from all go under the microscope in this week's Ask! the Naked Scientist from Talk Radio 702... Like this podcast? Please help us by supporting the Naked Scientists
Artificial Noses, Aeroplane Toilets and Big Brains
30 september 2010 |
28 min
Where does the waste from an aeroplane toilet go? And could you ever really get stuck to one when pressing the flush? Do we have bigger brains than 500 years ago? And why are planets spherical? We tackle all of these questions this week, as well as finding out that researchers have created an artificial nose even more sensitive than a dog's. Plus we'll discover why onions make your eyes water... Like this podcast? Please help us by supporting the Naked Scientists
How do Dolphins Drink?
23 september 2010 |
30 min
How do dolphins and other marine animals hydrate themselves? Can we use nanotechnology to fight disease? How does a radio-controlled clock work? We take on this variety of questions as well as find out why tea stains our cups, whether volcanic activity hollows out the earths core and why ice sticks to your tongue. Plus, we investigate if any large land animals can survive without oxygen! Like this podcast? Please help us by supporting the Naked Scientists
Tractor Beams, Phone Masts and Living in Space!
16 september 2010 |
26 min
How does a mobile phone mast work? What affect does living in space have on the human body? Could tractor beams become a reality? We take on these space age questions in this week's show as well as reveal the land area of Earth, why people in the Southern Hemisphere don't walk on their heads, why hair looks darker when wet and why alcohol makes you feel happy. Plus, we investigate what would happen if we drilled to the centre of the Earth! Like this podcast? Please help us by supporting the Naked Scientists
Is it Safer to Kiss a Stranger or Touch the Door Handle in a Public Toilet?
9 september 2010 |
25 min
Are we at risk when we use public toilets? What can we catch from kissing strangers? Why is it safer to eat cooked rather than rare meat? We take on these risk averse questions as well as find out how the sun burns, why children shouldn't drink coffee, the direction our blood flows around our body and how much ruminent animals and permafrost contribute to our greenhouse gases. Plus, we investigate whether it's more efficient to run our cars on a half or full tank of gas! Like this podcast? Please help us by supporting the Naked Scientists
Why do Pigeons nod their Heads?
2 september 2010 |
24 min
Why do Pigeons nod their heads? How does food become body fat? What can you do with a ramjet? We take on these questions as well as discover how megapixels are formed, whether bees go into their hives at night and why we use CO2 in fizzy drinks. Plus, we sniff out why cows produce methane! Like this podcast? Please help us by supporting the Naked Scientists
Why are Cacti so Spiky?
26 augusti 2010 |
26 min
On Ask the Naked Scientists this week, we find out how cacti can survive with very little water, and why they are so well endowed with spines! We answer your questions on asteroids, the size of the universe and the correct angle to leave the Earth. Plus, we test Dave's knowledge of anti-ageing cosmetics! Like this podcast? Please help us by supporting the Naked Scientists
GPS, Floating Bridges and Explosions in Space!
19 augusti 2010 |
19 min
How did we measure geographic distances before GPS? And how do GPS satellites do it now? Would floating bridges help in Pakistan? We'll tackle all of these questions this week, as well as finding out if ice would melt in space and ifall the alcohol evaporates if you use it in cooking. Plus, whether explosions in space just keep going... Like this podcast? Please help us by supporting the Naked Scientists
Protons, Photons and Colour-changing Toys
12 augusti 2010 |
23 min
How small is a proton? What is a photon? And how do colour-changing toys work? We'll find out the answers to all these questions this week, plus find out how new stars are born, how painkillers work and the effects of salt on our bodies! Like this podcast? Please help us by supporting the Naked Scientists
Lasers, Atoms and our Universe!
5 augusti 2010 |
26 min
How do lasers work? Could lasers be used to treat cataracts and blindness as well as our eyesight? Why is a hydrogen atom bigger than a helium one? Why is there no oxygen on other planets? We take on these questions in this week's show as well as find out whether South American Indians can really shrink heads, whether microwaves could be altered to cool food down, if women will survuve longer than men on earth and investigate if it's possible to make artificial gravity out in space! Like this podcast? Please help us by supporting the Naked Scientists
Why does time speed up as we age?
29 juli 2010 |
31 min
Why does time seem to go by faster as we get older? What do IQ tests really measure? How do probiotic yoghurts work? We get the answers to all these on this week's show, as well as finding out why hair goes lighter in the sun and how 3D televisions work. Plus, is there such a thing as a 'good' virus? Like this podcast? Please help us by supporting the Naked Scientists
Caramel, Carbon Dioxide and the way to the Centre of the Universe
22 juli 2010 |
28 min
Why does sugar look so different when you heat it up? How much CO2 is there in all the world's bottles of Cola? And which way is it to the Centre of the Universe? We'll tackle all these questions this week, as well as discovering what causes thunderstorms, and whether aeroplanes would work in space. Plus, does wrapping your fish and chips in newspaper make it poisonous? Like this podcast? Please help us by supporting the Naked Scientists
Do we really need 8 glasses of water a day?
15 juli 2010 |
31 min
Do we really need 8 glasses of water a day? How does a jet engine work? Where does earwax come from? Why are some apes vegetarian when we're not? We find out the answers to all these questions, as well as discover what thunderflies are, investigate if we're any closer to a malaria vaccine and discuss why bird feathers are so colourful. Plus, we find out about a newly discovered chemical that promotes cell survival in our brains! Like this podcast? Please help us by supporting the Naked Scientists
Why do Moths Fly Towards Light?
8 juli 2010 |
30 min
Why are moths attracted to light? How do red-leaved plants photosynthesise? Why don't hayfever sufferers become tolerant to pollen? We take on these questions in this week's show as well as discover if our planet changes its weight, how our brains store information and whether the Sun has any gravity. Plus, we discuss if man will ever land on Mars! Like this podcast? Please help us by supporting the Naked Scientists
Should I Drink from the Hot Tap?
1 juli 2010 |
22 min
How does vinegar 'cook' an egg? How does Google work? Are the colours we see really real? We'll get the answers to all of these, plus explore how giant tortoises made it to the Galapogos, and how wiping out the human population would alter the atmosphere! Like this podcast? Please help us by supporting the Naked Scientists
Flavours, Flies, and Facial Hair!
24 juni 2010 |
29 min
How are crisp flavours created? What makes flies so resilient? Why do some women get facial hair with age? We take on this variety of questions in this week's show as well as find out how our universe began, if Aspergers syndrome is hereditary and how methane clathrates can help store gases. Plus we discover how scientists are creating lungs in the lab! Like this podcast? Please help us by supporting the Naked Scientists
Microwaves and Mirages
17 juni 2010 |
30 min
Is microwaved water safe? Why does a mirage form? What causes that shimmer on a hot road? We tackle all of these questions this week, as well as look at how anti-dandruff shampoo works, how ships stay upright and whether humans are the only species that cry. We also find out if your laptop would survive a dunking in de-ionised water! Like this podcast? Please help us by supporting the Naked Scientists
How Did HIV Begin?
10 juni 2010 |
29 min
How did HIV originate? Why does anaemia occur more often in Africa? Do growing pains exist? We take on these infectious questions as well as find out how limescale remover works, how rainbows form and whether all objects expand in heat. Plus, we investigate if humans can get stronger under stress and reveal how much water we should drink for a healthy body. Like this podcast? Please help us by supporting the Naked Scientists
Tornadoes, Bombs and Electric Shocks!
3 juni 2010 |
26 min
How do Tornadoes form? What's a daisy cutter bomb? Why do we get electric shocks when leaving our cars? We take on these questions as well as find out why Jelly freezes in the fridge, why humans can't pickup radiowaves and how far away the moon is. We also investigate when a scientific theory becomes a fact! Like this podcast? Please help us by supporting the Naked Scientists
Ageing and our Senses
27 maj 2010 |
30 min
Does our sense of taste change with age? How are horrid and pleasant smells decided by our brains? Is it harder to urinate when you're older? We tackle these time-sensitive questions in this week's show as well as find out how de-caffeinated coffee is made, whether caffeine is bad for us and how we acquire the bacteria that live naturally inside us. Plus, we investigate whether love can rule our brains! Like this podcast? Please help us by supporting the Naked Scientists
Why can't we Tickle Ourselves?
20 maj 2010 |
28 min
Why can't we tickle ourselves? Is deafness down to our genes? Can diabetes cause Eczema? How does deodorant prevent body odour? We take on these questions in this week's show as well as reveal if botox can be used as a medicine, why some people don't feel pain and whether it's possible to wake up with a new accent. Plus we investigate if bacteria could be used to clean the oil spill in the gulf of Mexico! Like this podcast? Please help us by supporting the Naked Scientists
Man-boobs, Hair Cells & Relativity in Rugby
19 maj 2010 |
24 min
Ask the Naked Scientists, South Africa! This week we're adding a new member to the Ask! family with a new show on South Africa's flagship station TalkRadio 702. We look at man-boobs, hair cells, relativity at work in rugby, the right way round for your headphones, the getting-cold-causes-colds myth, excito-toxicity, how the immune system works, why asparagus makes urine smell and the lifespan of a fly. Don't know the answer? Then why not Ask the Naked Scientists... Like this podcast? Please help us by supporting the Naked Scientists
Bombs and Bacteria
13 maj 2010 |
24 min
What effects can underground nuclear explosions have on our land? How do antibacterial cleaners work? Could bacteria be used to clean up our environment from pollutants? We take on these question in this week's show as well as find out why the colour blue is so hard to see at night, why grass can survive when covered with snow, whether tanks could be made with armoured glass and how data can be saved on non-magnetic disks. Plus, we find out how scientists are developing flexible touch screens! Like this podcast? Please help us by supporting the Naked Scientists
Earthquakes and Volcanoes!
6 maj 2010 |
29 min
Do earthquakes shift the earths axis? If the population of China jumped at once would it cause an earthquake? How much lava is inside the earth? Would more eruptions lead to an ice age? We tackle these questions as well as find out what makes stainless steel stainless, why it is colder further out in space, and why wet towels whip harder than dry ones. Plus we investigate how ice found on asteroids could give more evidence for life in outer space. Like this podcast? Please help us by supporting the Naked Scientists
Comets, Planets and Space!
29 april 2010 |
29 min
Could a comet shield the earth from the sun? How do planets form around stars? Why are planets spherical? What's the temperature in space? We tackle these astronomical questions in this weeks show as well as reveal why there isn't a cure for the common cold, why 3D glasses make some of us feel dizzy and if volcanic ash can disrupt space travel. Plus, we investigate what the Hubble Telescope sees in space! Like this podcast? Please help us by supporting the Naked Scientists
Volcanoes, Aeroplanes and our Environment!
22 april 2010 |
24 min
Why are some Volcanic Eruptions stronger than others? Why can't aeroplanes fly around the ash in the sky? Is our ozone layer still a concern? Why will sea levels rise if the ice caps melt? We take on these explosive questions in this week's show as well as find out if dogs can communicate, how boats sail into the wind, how outdoor infra-red heaters work and why clingfilm expands over food in the microwave. We also investigate is silverfish are related to dinosaurs and where water goes when it evaporates! Like this podcast? Please help us by supporting the Naked Scientists
Sun, Clouds and Rain
15 april 2010 |
24 min
Why does it feel hotter when the sun is out? Why can we see clouds at night? Is the sky always grey when it rains? We tackle these question on this week's show as well as find out if a magnet could replace the wires in a pendulum, why some plugs only have 2 prongs, how it is possible to go blind only temporarily and we reveal how our blood clots. Plus, we investigate the science behind near-death experiences! Like this podcast? Please help us by supporting the Naked Scientists
Animals, Hair and Hot Flushes!
8 april 2010 |
26 min
Do cats have a sixth sense? How do dogs moult? Why are some hairs longer than others? Why do women get hot flushes? We tackle these questions on this weeks show as well as find out why we form tears, how animals navigate and why our voice changes when we hold our nose? Plus, we investigate if toads can detect earthquakes! Like this podcast? Please help us by supporting the Naked Scientists
Boomerangs, Painkillers and Nipples!
1 april 2010 |
2 min
Why do boomerangs return? How do painkillers know where to go? Are some painkillers faster than others? Why do men have nipples? We take on these questions in this week's show as well as find out why rainbows form arcs, what Menieres disease is, how sea breezes form and why we don't sing with accents. We also investigate the difference between X-rays, MRIs and other medical scans! Like this podcast? Please help us by supporting the Naked Scientists
Lightning, Radiation and the Northern Lights!
25 mars 2010 |
27 min
How does lightning strike? Should we worry about radiation from mobile phone masts? Do our TV sets give off any radiation? Why do we see the Northern Lights? We tackle these questions in this weeks show as well as reveal how a gyroscope works, why some batteries last longer than others and if the earths core uses oil as a coolant. Plus, we compare the energy consumption of electric and internal combustion engine cars! Like this podcast? Please help us by supporting the Naked Scientists
What if the Moon went AWOL?
19 mars 2010 |
30 min
Could the Earth cope without the Moon, how do safety matches work, what causes hiccups, why don't frosts form undercover, should NASA put people on an asteroid, why do nails grow faster on holiday, and what was here before the Big Bang? Join Dr Chris as he embarks ona brain-stretching scientific tour of the Cosmos for this week's Ask the Naked Scientists! Like this podcast? Please help us by supporting the Naked Scientists
Spaceships, Sun Rays and Glowing Skies!
12 mars 2010 |
29 min
How does fuel burn in spaceships without oxygen? Why do we see sun rays from behind clouds? Why is there often a red glow in the night sky? We take on your cosmic questions in this week's show as well as reveal how radios pick up aircraft transmissions, why solar panels work better when facing south and we investigate if the recent earthquakes have knocked the earth off its Axis! Like this podcast? Please help us by supporting the Naked Scientists
Why do we find Bottoms Attractive?
5 mars 2010 |
32 min
Why is Jupiter round and how does it hold onto its gas, how does skin thickness vary around the body, why does milk soothe the effects of chilli, how do brain sizes vary amongst animals, what makes a person blush, why don't we deafen ourselves when we shout and what makes bottoms attractive? Join Dr Chris as he pits his wits against this week's crop of questions... Like this podcast? Please help us by supporting the Naked Scientists
What Do the Dimples Do on a Golf Ball?
26 februari 2010 |
24 min
How do meat-tenderisers make meat more succulent, how do they get the corks into Champagne bottles, do explosions travel in space, why have golf balls got dimples, how do holograms work and what does light weigh? Find out with Dave Ansell in this week's fact-packed Ask! The Naked Scientists... Like this podcast? Please help us by supporting the Naked Scientists
Love and Our Universe
19 februari 2010 |
29 min
How do we fall in love? What is our universe Expanding into? Will our universe ever be sucked back inwards? We take on these cosmic questions in this week's show as well as find out how dogs tell the time, if cracking our knuckles causes arthritis and why vegetables are less crisp once frozen. We also investigate whether the forces created by volcanes could be harnessed for energy! Like this podcast? Please help us by supporting the Naked Scientists
Earth, Space and Winning the Lottery!
12 februari 2010 |
25 min
Why does the earth spin? Is the moon moving farther away from earth? What are the odds of winning the lottery twice in a row and of getting the same numbers twice? We take on these questions in this week's podcast as well as reveal the difference between blu-ray and DVD's, what will happen when the earth's magnetic poles flip, why certain materials are transparent, and if water changes composition when boiled. Plus, we investigate the potential for life in outer space. Like this podcast? Please help us by supporting the Naked Scientists
Spontaneous Combustion and Smellovision
5 februari 2010 |
29 min
Does being hot under the collar ever lead to spontaneous combustion? Will we ever get smellovision? Does being ill make you smarter? We take on these questions in this week's show as well as reveal if animals and humans react to drugs in the same way, whether milk is what makes mucus in our bodies and if microwaves are as good at heating water as your kettle! Like this podcast? Please help us by supporting the Naked Scientists
Do Strip Lights Flash Beneath Power Lines?
29 januari 2010 |
26 min
Why do buses get steamy, how do ships withstand super-waves, what's really invovled in balancing on a bike, how come Hawaii's on a hot-spot and do fluorescent tubes flash beneath power lines? Join Dr Dave as he pits his wits against your scientific conundra... Like this podcast? Please help us by supporting the Naked Scientists
Broken Bones and Glowing Worms
22 januari 2010 |
30 min
How long to bones take to heal? Are healed bones stronger than they were before? How do glow worms glow? We tackle these bright questions on this week's show as well as reveal what a headache is, how to cure a hangover, the strength of atomic bombs and how trees and coral can tell us about past climates! Like this podcast? Please help us by supporting the Naked Scientists
Water, Snow and Icy Roads.
15 januari 2010 |
25 min
At what temperature does sea water freeze? Why do aeroplanes not freeze when up in the cold air? Why can't we use sand on icy roads? We tackle these chilling questions on this week's show as well as reveal if parachutes could slow down a space ship, whether we can see stars from the moon, if smoke stacks can be harvested for energy and if wood vapourises before it burns! Like this podcast? Please help us by supporting the Naked Scientists
Food, Fats and Healthy Eating!
8 januari 2010 |
30 min
Is goose fat bad for us? What food ingredients are healthy? Is soy healthier than meat? What is cellulitis? We tackle these questions to kick off our healthy eating regimes for 2010. We also explore the depths of outer space to reveal how far away our planets are, how long a rocket would take to reach Neptune and whether there are planets beyond our own solar system. Plus, we calculate how long it would have taken Santa to deliver presents to everyone! Like this podcast? Please help us by supporting the Naked Scientists
The Wrong Sort of Snow?
18 december 2009 |
22 min
How the moon might make you behave badly, why snowstorms beget thunderstorms, the wrong sort of snow for trains, and whether tomato soup would be a warmer filling for radiators. Dr Dave tackles a festive crop of questions in this week's Ask! the Naked Scientists... Like this podcast? Please help us by supporting the Naked Scientists
Soap, Water and Tidal Power
11 december 2009 |
33 min
How do facial scrubs work to remove spots and oil from our skin? does hot water freeze faster than cold water? Why do we not make more use of tidal power? We take on these questions in this week's show as well as reveal why we faint, how close our genes are to our ape ancestors and what legionnaires diseases is and how to prevent it. Plus we discuss the effects of obesity on our health and whether our organs are unique to each individual! Like this podcast? Please help us by supporting the Naked Scientists
Gold, Hydrogen and Atomic Bombs
4 december 2009 |
27 min
How is Gold formed? Could hydrogen be used in power plants? How small can an atomic bomb be? Could we reverse electrolysis to make water? We tackle these questions in this week's show as well as find out how the shrunken heads in Borneo are shrunk, why burnt toast goes black, and why white bread is white. Plus, we investigate if bullets can be made from custard and whether we can trap light to use as energy! Like this podcast? Please help us by supporting the Naked Scientists
Jetlag and Body clocks
27 november 2009 |
29 min
Can we re-set our body clocks? How can we ease the effects of jetlag? Do body clocks change with age? We look into these questions in this week's show as well as investigate whether lightning can occur without clouds, the effects of head injuries, why spacecrafts need to travel at high speeds and we discuss the optimum world population. Like this podcast? Please help us by supporting the Naked Scientists
Dark Skies, Meteors and 3D Vision
20 november 2009 |
23 min
How can you measure how dark a place is? When do meteor showers occur and how can we see them? How do 'magic eye' paintings work? We reveal the answers to these mysteries in this week's show. We also find out whether the earth breathes, why car wheels appear to move backwards, and how DNA can narrow criminals down to a specific location. Plus, we investigate where all the hazelnuts have gone! Like this podcast? Please help us by supporting the Naked Scientists
Snot, Spit and Criminal Minds
13 november 2009 |
28 min
What is snot? Why do we make saliva? How do babies have such sweet smelling breath? These, and other less bodily questions, get tackled in this Ask the Naked Scientists. We find out how a radio can consume batteries quickly, where to live to avoid floods and if a brain scan can spot criminal intent! Like this podcast? Please help us by supporting the Naked Scientists
Tough Tomatoes and Custard Conflagrations
6 november 2009 |
26 min
Why are tomato skins so tough? Can you make fireworks from custard powder? What is the speed of dark? Join us as Dave Ansell takes on your science questions, explaining if satellites get dusty, how much damage the infamous Guy Fawkes' gunpowder plot would have done and why you can't see stars in footage shot in space! Like this podcast? Please help us by supporting the Naked Scientists
Venom and Stings
30 oktober 2009 |
30 min
Can venoms be used to treat disease? How deadly is the sting of an Irukandje jellyfish? Do all bees die when they sting? We tackle these buzzing questions on this week's show, as well as find out how our brains process pleasure, reveal where dust comes from, and investigate why cows are bad for our environment! Like this podcast? Please help us by supporting the Naked Scientists
Climate Change and Future Technologies
15 oktober 2009 |
30 min
Is global warming natural as well as man-made? What effect will arctic melting have on our sea levels? Why have cars not evolved past piston engines and fossil fuels? Can sugars be used to fuel cars? We tackle these energy-related questions on this week's show as well as reveal how iron ships are kept buoyant, how inkjet printers work and how many wind turbines are needed to power the UK. Plus we investigate how much of our coastline is eroding each year and how old the water is that comes out of our taps! Like this podcast? Please help us by supporting the Naked Scientists
Exploring our Universe
8 oktober 2009 |
30 min
This week, Dr Dominic Ford joins Dave Ansell to take on your questions about our universe. They reveal whether it's possible to live in outer space for years on end, if we can see the flames of the sun from here on Earth, discuss what dark matter is, and investigate what existed before the big bang! Plus, we find out why snakes aren't poisoned by their own venom and explore when the modern calendar was created. Like this podcast? Please help us by supporting the Naked Scientists
Eyes, Aliens and Goosebumps!
1 oktober 2009 |
29 min
Why is our peripheral vision so good in the dark? Why do we have goosebumps? Do UFOs exist and is there life on other planets? We explore the answers to these questions as well as investigate how bacteria know where to infect us, how our TV screens work, why we set our clocks back in winter and reveal if covering our bodies in salt would make us shrivel up like a slug! Like this podcast? Please help us by supporting the Naked Scientists
Batteries, Lightning and Stainless Steel
17 september 2009 |
29 min
Why do cameras use batteries so quickly? Why does warmth help a battery last longer? How do humans survive lightning strikes? We tackle these questions as well as reveal how steel ships protect themselves from erosion, whether stainless steel really is stainless, investigate the different types of salt and discover how lie detectors work! Like this podcast? Please help us by supporting the Naked Scientists
Aliens, The Moon and The Bermuda Triangle
10 september 2009 |
23 min
Do Aliens Exist? Did Neil Armstrong really walk on the moon? What happens over the Bermuda Triangle? We take on these mysteries in this week's show as well as reveal if the earth is growing, why planes leave vapour trails and investigate whether deodorants are flammable. Like this podcast? Please help us by supporting the Naked Scientists
Elements, Planets and Satellites
3 september 2009 |
24 min
How do new elements enter the periodic table? How much does the earth weigh? Could Jupiter blow up? We tackle these explosive questions on this weeks show as well as reveal the workings of the internet and how it was created, investigate how the government could spy on our phone calls, and discover why our fingers go wrinkly in the bath! Like this podcast? Please help us by supporting the Naked Scientists
Spiders, Wasps and Evolution
27 augusti 2009 |
27 min
How do wasps reproduce? Do all spiders bite you? Why have some animals lasted many years without evolving? We take on these questions on this week's show as well as find out how helicopters fly, explain why kettles go silent before boiling, reveal how far radio signals can travel and discover how to get a boiled egg into a bottle! Like this podcast? Please help us by supporting the Naked Scientists
Mobiles, Glowsticks and 3D Films
21 augusti 2009 |
35 min
How do glowsticks glow? Do mobile phones have limited frequencies? How do 3D films work? We tackle these questions on this weeks show, as well as discuss the causes of heart attacks, why it's less windy at night and find out why our accents aren't always reflected when we sing. Like this podcast? Please help us by supporting the Naked Scientists
Parallel Universes, Making Moons and Artifical Brains
13 augusti 2009 |
29 min
You ask Dave Ansell whether parallel universes are possible, how moons are formed around Saturn, what's new for car batteries, the existence of wormholesand how one might go about building an artificial brain. Like this podcast? Please help us by supporting the Naked Scientists
Brainy Birds and Winding Watches
7 augusti 2009 |
24 min
Why do astronauts feel weightless in space? What makes teenagers throw tantrums? Do mobile phones damage our health? We tackle these questions on this weeks show as well as reveal how jay birds find their food, how self-winding watches work and whether losing weight can help us avoide certain diseases. Like this podcast? Please help us by supporting the Naked Scientists
Exploding Stars, Shoe Polish and Lost in Space
30 juli 2009 |
33 min
When do stars explode? How does shoe polish work? What happens if you float away from your spacecraft? Why can't we feel the Earth spinning? Dr Dave answers your questions in this week's ASK. Like this podcast? Please help us by supporting the Naked Scientists
Yeast, Gyroscopes and Nuclear Waste
23 juli 2009 |
30 min
We take a turn around gyroscopes, find out if it's better to run through the rain, identify the origins of yeast, chomp our way through the make-up of white chocolate and ponder the future of telecommunications. Like this podcast? Please help us by supporting the Naked Scientists
Flashes, Orbits and Dogs
16 juli 2009 |
26 min
We find out why field mice aren't green, why the Earth isn't put off its orbit by the Sun's activity and how dogs have evolved alongside humans. We combat these conundrums in addition to: why does my radio keep playing after I've switched off the mains and why is my reflection in a spoon upside down? Like this podcast? Please help us by supporting the Naked Scientists
Trees, Tyres and Teleportation
9 juli 2009 |
25 min
How big can aeroplanes get? Will we ever teleport? And When we lose weight, where does it go? We take on all these brainteasers and more in this Ask the Naked Scientists Podcast. Plus, Did dogs evolve from wolves? Why do roads need resurfacing after an accident? And what are clouds made of? Like this podcast? Please help us by supporting the Naked Scientists
Hiccups and Helium
18 juni 2009 |
32 min
Why does helium make our voices higher? What are hiccups and how can we get rid of them? How contagious is swine flu? We take on these questions on this weeks podcast as well as find out how beta blockers slow our heart rate down, why food sticks to the bottom of a pan when it burns and how sewage waste is moved round an aeroplane. Plus, we look into the role of the prostate in men and the conditions associated with this organ. Like this podcast? Please help us by supporting the Naked Scientists
Stars, Wormholes and our Expanding Universe
11 juni 2009 |
31 min
Are Orion's stars shrinking? What are wormholes and do they really exist? What is our universe expanding into? We tackle these cosmic conundrums on this weeks show, as well as find out why light travels faster than sound, if everything spins in space, why TV adverts sound so loud and we investigate the existence of the Bermuda Triangle! Like this podcast? Please help us by supporting the Naked Scientists
Laughter, Smell and Sounds
4 juni 2009 |
34 min
How has laughter evolved? Why can'we tickle ourselves? Why do hot and cold water sound different? What is smell and why do things have a smell? We tackle these chalenges on this weeks show, as well as investigate if blood pressure varies in different sized people, why mouthwash makes water taste colder, investigate why we shouldn't breed with relatives and discuss the causes of vertigo. Like this podcast? Please help us by supporting the Naked Scientists
Glass, Galaxies and the Gulf Stream
28 maj 2009 |
24 min
Can we break glass using sound? Is glass a liquid? Can we use GPS to navigate galaxies? Will climate change make the UK colder by affecting the Gulf stream? We tackle these questions on this weeks show as well as reveal how submarines stay at a fixed depth,why toothpase is better with fluoride in it, how sunlight can be converted into energyand we investigate whether we could ever create a time machine! Like this podcast? Please help us by supporting the Naked Scientists
Solar Wind, Moondust and Mouldy Cheese
20 maj 2009 |
29 min
How would astronauts cope in a solar wind? Why did dry moon dust hold a footprint? Why does wine age well but beer go off? And should you eat mould? We find out in this week's Ask the Naked Scientists. Plus, what happens if you exceed the speed of light, and what's going on at the centre of the Earth? Like this podcast? Please help us by supporting the Naked Scientists
Cameras, probes and mobile messaging
14 maj 2009 |
28 min
How do cameras work? What are the Herschel and Plank probes hoping to find out? How are messages sent to computers and mobile phones? We tackle these questions on this weeks show. We also find out if blood gets thinner as you get older, why newspapers are easier to tear vertically than horizontally, and investigate if it's safe to take aspirin and anti-inflammatories at the same time. Like this podcast? Please help us by supporting the Naked Scientists
Spiders, Space and Skyscrapers
7 maj 2009 |
27 min
How strong is spider silk? Why are some people scared of spiders? How vast is space and does it have an end? How are skyscrapers built? We answer these question in this week's show. We also discuss swine flu, investigate how good aluminium is as a lining material, uncover what causes allergies to cats, work out the speed of heat and electricity and reveal if it's possible to reverse gravity! Like this podcast? Please help us by supporting the Naked Scientists
Spotty Bottoms and Jogger's Nipple
30 april 2009 |
30 min
Why do we get spots on our bottoms? What is Jogger's Nipple? What is Gangrene? Why do we have different languages? We tackle these questions on this week's show, as well as find out how our hearts work and how a pacemaker can control it. We also find out what an aneurism is, analyse the conditions in which moss grows and discuss the treatment options for arthritis. Like this podcast? Please help us by supporting the Naked Scientists
Sticky Water, Static Shocks and Solar Storms
23 april 2009 |
19 min
This week, we ask how water can be both sticky and slippery, what causes static shocks and if Solar storms can take down aeroplanes. Plus, we find out why 240 volts may be better than 110, and how your body can act as a radio aerial! Like this podcast? Please help us by supporting the Naked Scientists
Painkillers, Plastics and Platelets
16 april 2009 |
29 min
How do painkillers work and which ones are available to us? Why doesn't the plastic on ready-meals melt in the oven? How can we donate platelets instead of blood? How can we ease the pain of arthritis? We take on these questions in this week's show. We alsoreveal why omega oils are so good for us, look into how the International Space Station keeps itself movign over earth and investigate the demise of the honeybee. Like this podcast? Please help us by supporting the Naked Scientists
Sparks, Lightning and Electricity
9 april 2009 |
26 min
Can horses feel electric shocks through their fur? Can we create lightning artificially? How do we send electric signals via cables to America? Can frozen nitrogen conduct electricity? We tackle these sparky questions on this weeks show. We also learn about the northern lights, reveal why rain falls heavier than snow and investigate if it really is dangerous to pour hot water into a glass. Like this podcast? Please help us by supporting the Naked Scientists
Genes and Clones
20 mars 2009 |
30 min
Are identical twins clones of each other? Can parents with brown eyes have children with blue ones? Is it possible to have blonde hair and brown eyes? How do conjoined twins form? We answer these questions on this week's show. We also find out why our dreams don't always reflect reality, investigate if it is safe to re-heat food in the microwave, reveal how boils are formed and discover how washing powders make our whites dazzling bright! Like this podcast? Please help us by supporting the Naked Scientists
Electric cars and Exploding Champagne
13 mars 2009 |
19 min
How much does it cost to run an electric car? Why does shaken champagne not explode if you wait a while before opening it? Would a car filled inside with helium run for longer? Is man the only mammal to have racial features? We dig into these questions on this week's show, as well as reveal if hyper-space travel is possible, explain how a memory stick works and investigate if a compass would work on the moon! Like this podcast? Please help us by supporting the Naked Scientists
Atomic Bombs, The Amazon and our Climate
6 mars 2009 |
30 min
Can atomic bombs cause changes in our climate? Can understanding the Amazon help control the greenhouse effect? Are we likely to find life in outer space? We take on these question in this week's show. As well as find out about Bell's Palsy, reveal why people have fits, learn how to identify animals by their DNA and learn how to help control diabeteswith our diets. Like this podcast? Please help us by supporting the Naked Scientists
Planes, Spaceships and Automobiles
27 februari 2009 |
30 min
How do mobile phones work on planes? Is flying more environmentally friendly than driving? What is rocket fuel? Can we see the International Space Station with the naked eye? These are just some of the questions asked in this week's show. We also investigate whether we can use our bodies as aerials, reveal how computer animated characters are created in films and find out if we can steam our eggs for breakfast! Like this podcast? Please help us by supporting the Naked Scientists
The Earth and Its Elements
20 februari 2009 |
33 min
How does the Earth rotate? Why do we not fall off the Earth as it spins? Why is there a periodic table? Why is Oxygen written as O2? We tackle these questions in this week's show. We also find out about the causes and symptoms of diabetes, investigate how our bodies generate heat, and reveal how to create a perfectly straight object! Like this podcast? Please help us by supporting the Naked Scientists
Ice, Snow and Space
13 februari 2009 |
27 min
What experiments can be done with snow? why is snow white yet ice is clear? How can ice be made without refrigeration? And how do Jet engines work out in space? We tackle these questions in this week's show. We also find out about the Ares-V rocket being built by NASA, investigate why underarm hair hasn't been lost through evolution and reveal how someone's smell could reveal if they're your perfect match. Like this podcast? Please help us by supporting the Naked Scientists
Phantom Limbs and Electric Shocks
6 februari 2009 |
33 min
What is phantom Limb Syndrome? Why don't birds get electrocuted when they land on power lines? Why can a tooth filling give us electric shocks? We tackle these questions on this week's show. We also find out why bears and penguins feet don't freeze on ice, look into the world of dreaming to find out why we each dream differently, reveal why waves are white when they break against the shore and discover what makes an electric train travel. Like this podcast? Please help us by supporting the Naked Scientists
The Science of Lightbulbs and Compact Discs
30 januari 2009 |
25 min
Do energy saving lightbulbs give you headaches? How do LED lights work? How do CD's show us the spectrum of light? Can we see magenta in the spectrum? We tackle these question on this week's show. We also find out how trrains stay on their tracks and whether it's possible to communicate when tarvelling faster than the speed of sound! Like this podcast? Please help us by supporting the Naked Scientists
Stars, Stings and Tickles
23 januari 2009 |
35 min
Why do we see stars in the sky? Why do stars twinkle? Why can't we tickle ourselves? And how do stinging nettles sting? We tackle these question in this weeks show. We also find out whether eyesight can improve with age, how fibre optics work, why water doesn't burn and we reveal what hypermiling is! Like this podcast? Please help us by supporting the Naked Scientists
Space, Sciatica and Solar Power
16 januari 2009 |
30 min
How does Solar heating work? What is Sciatica? What's the point of space exploration? We tackle these challenges in this week's show. We'll also be finding out why we get headaches, whether we can duplicate stem cells using their DNA and explain why it's possible for humans to land on the Moon, but not Mars. Like this podcast? Please help us by supporting the Naked Scientists
The Science of Sparks, Candles and Lightbulbs.
9 januari 2009 |
32 min
Would a matchbox spark in space? How do re-igniting candles work? How does an energy-saving lightbulb work? Does the sun rotate like the earth? We answer these questions this week, as well as reveal how mobile phone charms work, investigate why New Zealand has mainly non-deciduous trees and find otu if rainwater is safe to drink. Like this podcast? Please help us by supporting the Naked Scientists
Evolution and Adam's Apples
19 december 2008 |
28 min
Why do we have Adam's Apples? Do other primates have them? When we find new species are they due to evolution? Why do we get sleep in our eyes? We tackle these questions on this week's show. We also reveal the healthiest type of olive oil, investigate spinal surgeries and look into the rare condition of Morgellons Disease. Like this podcast? Please help us by supporting the Naked Scientists
Moons, Planets and Black Holes.
12 december 2008 |
28 min
Will gravity ever pull our moon into a collision with earth? Why are planets round? How big is the black hole at the centre of our galaxy? We solve these mysteries this week on Ask the Naked Scientists. We also find out how superglue works, investigate how it is possible to have volcanoes under the sea and reveal how our years are getting longer! Like this podcast? Please help us by supporting the Naked Scientists
Spies and Satellites
5 december 2008 |
27 min
How do spy satellites work? Is it true the US Military can control our GPS? How do we know the centre of the earth is so hot? How can we identify counterfeit money? We answer these questions on this week's Ask the Naked Scientists. We also investigate why venus doesn't rotate like the planets in the rest of our solar system, reveal why some technology is so reliant on remote control and we also reveal if a domino chain has the potential to go on forever! Like this podcast? Please help us by supporting the Naked Scientists
Moons, Tides and Teabags!
28 november 2008 |
27 min
What would happen if we didn't have tides? If our moon continues moving away from us, will it affect our tides? Why doesn't tea flow out of the bag if the bag is lifted out quickly? We tackle these questions on this week's Ask the Naked Scientists, as well as find out about giant geysers on a moon of Saturn.We also investugate if chillis can be used to cure a cold, find out how people speed read and analyse the psychology behind our signatures. Like this podcast? Please help us by supporting the Naked Scientists
The Science of Time and Space
21 november 2008 |
22 min
Can time ever stand still? could we look back in time with a telescope? Could we see and stop a meteor in space? We tackle these questions on this week's Ask the Naked Scientists. We'll also be finding ou how decaffeinated coffee is made, if guns need oxygen to fire, and why oil makes paper translucent. Plus we'll reveal how to drop bread without it landing butte-side down and how to get an egg into a bottle without breaking it! Like this podcast? Please help us by supporting the Naked Scientists
Water, Sea Levels and Tides
14 november 2008 |
29 min
Why do sea levels vary around the world? Why are there 2 tides? What is Autism? How were the colleges of Cambridge built along the river? We answer these questions on this week's Ask the Naked Scientists. We'll also reveal how people are brainwashed,explain howdigital radios work and look into why loud music can make some people become aggressive. Like this podcast? Please help us by supporting the Naked Scientists
Stars, Space and Flying Saucers!
7 november 2008 |
29 min
Why are stars and planets round? Could a helium balloon ever continue into space? Is the moon bombarded with asteroids? Is it possible to create a flying saucer? We answer these questions on this week's Ask the Naked Scientists. We'll also investigate the future of our evolution, reveal why spiders don't stick to their webs, andfind out why soap stings our eyes so much! Like this podcast? Please help us by supporting the Naked Scientists
Forming Gems and Fighting the Freeze
31 oktober 2008 |
31 min
How are gemstones formed? Why do we get brain freeze when eating Ice Cream? What is Renault's disease? We find out in this week's Ask the Naked Scientists, as well as discover how helicopters hover in one place, how some people avoided death during the plague, if fireworksare damaging to our environment and why we get body odour. Like this podcast? Please help us by supporting the Naked Scientists
Fast Cars and Mysteries of our Galaxy
23 oktober 2008 |
25 min
Is it possible to make a car go 1000mph? Should we believe our cars or our Sat-Navs when calculating our speed? Why can we sometimes see both the Sun and the Moon in the sky? We solve these mysteries on this week's Ask the Naked Scientists, as well as find out if wejump higher when the Moon is above us, reveal the world's oldest known vegetables, investigate the flu vaccine and discover how to create lightning in a microwave oven! Like this podcast? Please help us by supporting the Naked Scientists
Dark Clouds and Sunlight on Your Skin
17 oktober 2008 |
20 min
Why are some clouds dark? Why don't bees stick to their own honey? Why is UV light good for skin conditions, when we know it damages the skin? All these questions and more can be found in this week's Ask the Naked Scientists! Plus, why archaeologists think TB arose as a result of people coming together to live in early villages, and how meteorites lock away the secrets of the solar system. Like this podcast? Please help us by supporting the Naked Scientists
Gluey Geckos and Snow in Space
9 oktober 2008 |
23 min
Why are Geckos feet so sticky? Can it snow on mars? Is it possible for someone to spontaneously combust? We answer these questions this week on Ask the Naked Scientists. We also find out why lemons float more than limes, reveal the correct terminology for the himalayas and how thisregion can control weather conditions on the rest of the planet,uncover what will happen when the sun stops burning andinvestigate how magnets work. Like this podcast? Please help us by supporting the Naked Scientists
The Science of Fusion and Nuclear Power
2 oktober 2008 |
28 min
What is fusion? Can we achieve cold fusion? How useful is nuclear power and is it safe? We look into these questions on this week's Ask the Naked Scientists. We'll also be finding out how sailing ships avoid the wind andwhy venomous snakes don't poison themselves, plus dig into how carbon dating works and reveal why ducks don't sink in water. Like this podcast? Please help us by supporting the Naked Scientists
The Science of Flight and the Colours of the Universe
25 september 2008 |
25 min
What colour will the end of the universe be? How can the moon look orange? Why can't we fly individually with jetpacks? We answer these questions on this weeks Ask the Naked Scientists. We also find out if bigger brains means dumber people, if the use of polystyrene in our soils can poison our food and reveal how to move a tin can without touching it! Like this podcast? Please help us by supporting the Naked Scientists
Red Tongues, Intestinal Bacteria and Gut-busting Stress
18 september 2008 |
28 min
Red tongues, intestinal bacteria, appliances on standby and gut-busting stress levels all go under the microscope for Dr Chris's examination in this weeks Ask the Naked Scientists, when we'll also find out why an alternator connected to an electric car is a non-starter and what on Earth is nuclear fusion? Like this podcast? Please help us by supporting the Naked Scientists
The Large Hadron Collider and Future Energy Sources
10 september 2008 |
27 min
What is the Large Hadron Collider? How can a particle accelerator simulate the big bang? What are our options for energy in the future? Dr Dave tackles these questions on this weeks Ask the Naked Scientists.We also find out why the moon doesn't rise and set like the sun, how ships can carry heavy cargo without sinking and why melting icebergs won't actually change our sea levels. Like this podcast? Please help us by supporting the Naked Scientists
Freezing Time and The Expanding Universe
4 september 2008 |
25 min
Could you stop yourself ageing by travelling at the speed of light? Why aren't we full of someone else's DNA after a blood transfusion? How do trees drink? All these questions and more will be answered this week on Ask the Naked Scientists! We'll also be finding out why the expanding universe is like a balloon and how you can lose weight (but not mass) in space. Like this podcast? Please help us by supporting the Naked Scientists
Flames, Fireworks and Flies!
28 augusti 2008 |
29 min
What is a flame? How do fireworks control their explosions? Why is it impossible to swat flies? Dr Chris tackles these question in this week's Ask the Naked Scientists as well as discovering how much heavier a tree is made by its leaves, predicting the outcome of a flu epidemic in todays society and revealing why a tea bag doesn't float in hot water. Like this podcast? Please help us by supporting the Naked Scientists
Losing your Senses and Shadows in the Sky
21 augusti 2008 |
30 min
How do planes make shadows on the clouds? Can mosquitoes transmit HIV? Which sense do we lose last under anaesthetic? Drs Chris and Dave have the answers in this week's Ask the Naked Scientists when they also delve into cellulitis and how not to catch it, how athletes can constantly break world records, why men and women get fat in different places and why perpetual motion is a pipedream Like this podcast? Please help us by supporting the Naked Scientists
Weighing the Earth and Discussing Diabetes
15 augusti 2008 |
29 min
How do we weigh the Earth, what's the basis of diabetes, does dandruff really trigger rain and clone alone - who would you make a copy of given the chance? Dr Chris pits his wits against these and other questions in this weeks edition of Ask the Naked Scientists. Like this podcast? Please help us by supporting the Naked Scientists
Lightning, Poisonous Plants and White Holes
7 augusti 2008 |
25 min
When is wood not safe to burn? What makes poisonous plants dangerous? Could you get a satellite to orbit the moon? This week on Ask The Naked Scientists, we'll give you the answers to all these questions. We'll also find out the difference between cold and flu viruses, compare sheet and fork lightning and find whether a bluetooth headset could be used to track you down... Like this podcast? Please help us by supporting the Naked Scientists
Nut Allergy Myths and Dogs with Hayfever
31 juli 2008 |
33 min
Is it dangerous to feed nuts to babies? Can dogs get hayfever? Where does the static on your radio come from? All these and more are answered this week on Ask the Naked Scientists! We'll also be finding out whether blue-eyed people are more sensitive to the sun and why some people get more drunk than others after a couple of pints down the pub! Like this podcast? Please help us by supporting the Naked Scientists
The Science of Brain Freeze and Magic of Mobiles!
24 juli 2008 |
28 min
Why does our head hurt when we eat too much ice cream? How is it possible to communicate with people on the other side of the world without any wires? What is cellular architecture? Why do only some of us get allergies? We tackle these questions and more on this week's Ask the Naked Scientists! We also find out what causes gaut, reveal if bottled water is safer to drink than tap water, and discover how wind is created. Like this podcast? Please help us by supporting the Naked Scientists
Forgetting Memories and Burning Rubber!
17 juli 2008 |
29 min
Do the cells controlling our memory renew themselves? Where does the rubber go when tyres wear down? What would happen if we grew plants in space? Why do we have earwax? We answer these questions this week on Ask the Naked Scientists.We also find out how coffees can heat themselves, discover how online streaming works, investigate what would happen to water at absolute zero and create sparks by revealing how static electricity forms. Like this podcast? Please help us by supporting the Naked Scientists
The Power of Piezo and Sounds in Space
10 juli 2008 |
29 min
Could piezo electricity be used to supply power to the world's population? In space, can anyone hear you scream, or actually hear anything? How do dolphins direct themselves underwater? We tackle these questions and more this week on Ask the Naked Scientists! We also look into how far sound can travel, find out how the Large Hadron Collider will work and reveal how the sun manages to rise so quickly! Like this podcast? Please help us by supporting the Naked Scientists
Starting the Sun and Rotting Remains
3 juli 2008 |
28 min
How was the Sun created? How are dead bodies decomposed? Does hot water freeze faster than cold water? We answer these questions and more on this week's Ask the Naked Scientists! We also find out why it's colder at high altitude even though you are closer to the Sun, reveal the sources and abundance of aluminium worldwide and discover the power of painkillers. Like this podcast? Please help us by supporting the Naked Scientists
Bouncing Bombs & Deadly Volcanoes!
26 juni 2008 |
29 min
How can bombs bounce without going off? Could a volcanic eruption be deadly worldwide? What is St Elmo's Fire? Are computers worse for the environment than planes? We tackle these question this week on Ask the Naked Scientists.We also find out if different parts of our body could have different DNA, investigate how to create a car that cannot be seen on radar, reveal the difference in oil found in Saudi Arabia and find out what a light year is. Like this podcast? Please help us by supporting the Naked Scientists
Flying Loops and Fungal Tongues
19 juni 2008 |
29 min
How do planes fly upside down? How can tongues get fungal infections? Was there another civilisation before humans? Will we be able to predict the future? We tackle these questions on this week's Ask the Naked Scientists. We also find out why we have solstices, if it's possible for our hearts to communcate with machines, investigate how sire temperature is measured and look into why there are worldwide water shortages when there's so much water on earth! Like this podcast? Please help us by supporting the Naked Scientists
Splitting Atoms and Fires in Space
12 juni 2008 |
22 min
Can we cut through atoms with scissors? Is it possible to light a fire on the moon? How do gyroscopes work? We answer these questions this week on Ask the Naked Scientists.We also lfind out how commercial text messaging works, look into how blood transfusions affect out body and how much fuel a train uses to travel. Like this podcast? Please help us by supporting the Naked Scientists
Toning Up and Greenhouses on the Moon
5 juni 2008 |
31 min
Why can blood vessels burst when pumping iron? Is it possible to grow plants on the moon? Can our joints predict bad weather? And do batteries work in outer space? We tackle these questions and more on this week's Ask the Naked Scientists. We also find out why skin can lose pigment for individuals with Vitiligo, investigate the safety and cleanliness of quick-drying towels and analyse why it is harder to balance with our eyes closed. Like this podcast? Please help us by supporting the Naked Scientists
Future Power and Outer Space
29 maj 2008 |
22 min
Can we make our own fuel? Or provide our own power? Could there be smarter life than us in outer space? Could other planets have their own Northern Lights? We find out the answer to these questions this week on Ask the Naked Scientists.We also find out if water really does go the other way down the plughole when down under, how water can be used to make both cars and aircrafts faster and if it's possible to create alcohol that never lets us get past that 'merry' stage! Like this podcast? Please help us by supporting the Naked Scientists
Talking Monkeys and Forming Fossils
22 maj 2008 |
31 min
Can we engineer monkeys to talk? Why do parrots have the ability to say words? What happens underground to form a fossil? We tackle these questions this week on Ask the Naked Scientists.We also find out if one gene can determine your sexuality, investigate if drinking hard water can stiffen your heart, and work out what separates a piece of string from a length of rope. Like this podcast? Please help us by supporting the Naked Scientists
Floating Clouds and Shining Stars
15 maj 2008 |
22 min
Why do clouds float in the sky? If Stars are so bright why is our sky dark at night? Does a ducks quack echo? We tackle these questions this week on Ask the Naked Scientists, as well as find out why the sky is blue, discover if there really could be UFO's out there, investigate why we produce tears in our eyes and explore why we can't start the morning without a yawn! Like this podcast? Please help us by supporting the Naked Scientists
Sinking Sand and Sucking Wounds
8 maj 2008 |
30 min
Can we make a quick escape from quicksand? Is it really good for us to lick our wounds? Why do we have different accents? We tackle these questions on this Week's Ask the Naked Scientists, as well as find out why having the flu gives us the shivers, whether its possible to eat you way to having a baby boy, and if fizzy drinks make for a fun flight! Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by supporting the Naked Scientists
Drinking Rain and Evolving Apes
1 maj 2008 |
23 min
Can we drink rain water? Why do dogs prefer drinking out of the toilet? Why haven't all apes become humans? We tackle these questions this week on Ask the Naked Scientists, as well find out how big the earth would look from the moon, why it gets so cold just before dawn, why some plants have red leaves and why our body fails to heal scars. Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by supporting the Naked Scientists
The science of cancer and Teleportation.
24 april 2008 |
27 min
What is cancer and how is it cured? Will humans ever be able to teleport? How are clouds made? We answer these questions this week on Ask the Naked Scientists. We also find out how it is possible for the universe to be both finite and expanding, how urea could be used to run our cars and buses and how laser eye surgery makes your vision better. Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by supporting the Naked Scientists
Digital Eyes and the Power of Chemicals.
17 april 2008 |
23 min
Can a digital camera see as well as the human eye? Why do some chemicals stain more than others? Does our taste fade with age? We tackle these questions this week on Ask the Naked Scientists, as well as finding out if cars can run on water, if motion-sensitive lights could light our way out of darkness and discovering if our old shower heads could be spraying more than just water. Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by supporting the Naked Scientists
Custard Bombs and the Future of the Human Race
10 april 2008 |
26 min
Can custard cause catastrophic explosions? How will the human race evolve? Can we use water as a fuel? We tackle all these on this week's Ask the Naked Scientists, as well as discovering why the hair on our bodies grows differently to the hair on our heads, asking if the earth will ever run out of oxygen and finding out if a 'fat strip' could solve our weight problems... Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by supporting the Naked Scientists
Mysteries of our Universe and Overcoming our Fears!
3 april 2008 |
20 min
This week on Ask the Naked Scientists we look into the mystery of dark energy, reveal the cause of digital delay in radios and find out how to overcome our fear of change! We also discuss the alignment of our planets, find out if body parts can set airport alarms off and meet a super duck! Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by supporting the Naked Scientists
Perfect Bubbles, Sniffing Danger and Super Animals.
28 mars 2008 |
19 min
This week on Ask the Naked Scientists we find out the method for a perfect bubble bath, analyse across all species to find the ultimate fighting champion and find out if humans can sniff out danger. We also look into dietary treatments to aid macular degeneration, look into evolutionary reasons for sensing the presence of ghosts, and investigate treatments to cure the awful pain associated with a trapped nerve. Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by supporting the Naked Scientists
Sharing Hearts and the Science of Speed
21 mars 2008 |
21 min
This week on Ask the Naked Scientists we find out the effects of high speed collisions, find out if our bodies are older than the universe itself and reveal if hearts can be swapped between sexes. We also find out the cause of acid reflux, investigate what happens when you drop cats out of windows and see if it's possible to live on baked beans. Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by supporting the Naked Scientists
The Science of Sat-Navs and Magic of microwaves!
14 mars 2008 |
19 min
On this weeks Ask the Naked Scientists we investigate the science of sat-navs - how do they work? And how do they know where our speed cameras are? We find out why it's so hard to get a signal on our mobile phones when we're underground and whether the light from stars changes as it reaches our eyes. We also find out why insects aren't stung by stinging nettles, reveal if water really does flush the other way in the Southern hemisphere and find out the real reason why we can't use our mobiles on planes. Like this podcast? Please help us by supporting the Naked Scientists
Bursting Bubbles, Counting Calories and Falling to Earth!
7 mars 2008 |
32 min
On this weeks Ask the Naked Scientists we find out how to live a healthy lifestyle. We count calories to see just how many we burn during exercise, we work out how to lose weight the healthy way and we discuss the difference between calories and fat. We also discover why coloured bubble bath produces white bubbles, whether removing salt from the ocean could reduce our chances of flooding and whether animals know about natural disasters before we do! All that and many more of your questions answered on this weeks Naked Scientists. Like this podcast? Please help us by supporting the Naked Scientists
Frosty Roofs, Rocks from Space and UK Quakes
29 februari 2008 |
21 min
In this week's Ask the Naked Scientists Dave sates your thirst for knowledge with a look at whether frozen water is safe to drink, divides fog from mist, shakes up the world of seismology with a look at how earthquakes occur in countries like the UK, works out why some roofs remain resolutely frost-free in winter and explains how rocks from Mars turn up on Earth. Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by supporting the Naked Scientists
Breaking bones, Aching joints and the Placebo effect
22 februari 2008 |
33 min
This week on Ask the Naked Scientists we find out how to break your bones for your own good, the truth behind the placebo effect and how your body knows when to be sensitive. Also, why some people gain weight when they have arthritis, restless legs and the importance of prostate check-ups. All that and more on this weeks Ask the Naked Scientists. Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by supporting the Naked Scientists
DNA, Radio Waves and Watches
15 februari 2008 |
29 min
This week on Ask the Naked Scientists we find out why a slipped disc can't slip out, why you forget your dreams and why digital radio is behind the times - by about 4 seconds! Also, why present day physics forbids travel to the past, and how you can carry someone elses DNA without being pregnant. We tackle these questions and more on this weeks podcast. Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by supporting the Naked Scientists
Crashing satellites, Squeaking hearts and Glowing stars.
8 februari 2008 |
33 min
This week on Ask the Naked Scientists we find out our years of sending things out into space will come back to haunt us, how some hearts produce a squeaking sound, and why when you look into the night sky you could see bright coloured stars shining down on you. We'll also be finding out just how many starts there are in our universe, why some of us get heart murmurs, how far our universe goes and whether the way we eat today is reducing our immunity. All that and more of your questions answered on this weeks Ask the Naked Scientists. Like this podcast? Please help us by supporting the Naked Scientists
Tearful eyes, Musical minds and Glowing seas!
1 februari 2008 |
27 min
This week on Ask the Naked Scientists we find out if it's possible to cry underwater, why ferocious winds can bring us to tears, how its possible to make the sea light up and why it's so difficult to get annoying songs out of your head! We also find out about the creation and effects of gravity, why some of us get constant ringing in our ears, and if there are plants living deep inside the earth. All that and more on this weeks podcast. Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by supporting the Naked Scientists
Coloured Bruises, Colliding Bullets and Collapsing Bridges
25 januari 2008 |
34 min
This week on Ask the Naked Scientists we find out why a beating turns us blue, what would happen in a fight between bullets and how hanging from the air is considered safe in the form of a suspension bridge. We also find out about an environmentally-friendly method of cremation, whether it's possible for humans to survive on mars and what the term horse-power actually means. All that and even more of your questions answered on this weeks podcast Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by supporting the Naked Scientists
Stings, Ripening and Asbestosis.
18 januari 2008 |
24 min
On this weeks Ask the Naked Scientists we discuss why stinging nettles cause so much pain, why you should keep your bananas apart, and tell you about the effects and symptoms of asbestosis. We also find out which of our favourite foods were discovered in the Americas, if lightning occurs on other planets, why the new digital radios use up more electricity, and how a greenhouse works. All that and more of your questions answered on this weeks podcast. Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by supporting the Naked Scientists
Population, Fuel and Sonic Booms!
11 januari 2008 |
26 min
This week on Ask the Naked Scientists we answer your questions on population, sonic booms and fuel. We'll be looking into the genes behind your eye colour, why planes are so noise when they go supersonic and how exactly we get our beloved petrol and diesel from its original source-crude oil. We'll also be investigating the best time to walk your dog, why the South Pole is colder than the North Pole and how a collision with our earth created our moon. All that and more of your questions answered on this week's podcast. Like this podcast? Please help us by supporting the Naked Scientists
Diet, The Brain and Meteors
4 januari 2008 |
35 min
This week on Ask the Naked Scientists we answer your questions on diet, the brain and meteors. We'll be looking into what foods can help reduce your cholesterol, if it's possible for our brains to shrink and how meteor showers work. We'll also be talking about dementia, smoking oils, how mountains are like sponges and how to recover if the fast-spreading norovirus gets into your system. All that and more of your questions answered on this special podcast from the Naked Scientists. Like this podcast? Please help us by supporting the Naked... Like this podcast? Please help us by supporting the Naked Scientists
Speed, Crashes and Oil Spills
2 januari 2008 |
21 min
Chris, Dave and Sue Marchant tackle your questions on the speed of light, head on collisions, heartburn and much more... Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by supporting the Naked Scientists
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En liten tjänst av I'm With Friends. Finns även på engelska.