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SciShow Tangents

Worms

42 min • 17 maj 2022

SciShow Tangents is on YouTube! Go to www.youtube.com/scishowtangents to check out this episode with the added bonus of seeing our faces! 

From big, slimy earthworms to microscopic C. elegans, worms are everywhere... or are they? It turns out, as is often the case on Tangents, that everything you thought you knew about worms is a lie, up to and including their very existence!

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A big thank you to Patreon subscribers Garth Riley and Tom Mosner for helping to make the show possible!

Follow us on Twitter @SciShowTangents, where we’ll tweet out topics for upcoming episodes and you can ask the science couch questions! 

While you're at it, check out the Tangents crew on Twitter: Ceri: @ceriley Sam: @im_sam_schultz Hank: @hankgreen

[Trivia Question]

Dave the longest earthworm

https://www.theguardian.com/science/2016/nov/04/uk-biggest-worm-record-breaking-in-cheshire

[Fact Off]

Geosmin smells like danger to C. elegans

https://www.sciencedaily.com/releases/2022/04/220405143530.htm

https://pubmed.ncbi.nlm.nih.gov/35323022/

Ice worms in glaciers

https://onlinelibrary.wiley.com/doi/10.1002/1097-4687(200012)246:3%3C192::AID-JMOR3%3E3.0.CO;2-B

https://link.springer.com/article/10.1007/s10930-020-09889-x

https://glaciers.nichols.edu/iceworm/

https://www.nationalgeographic.com/animals/article/amazing-ice-worms-threatened-melting-glaciers

https://www.npr.org/2021/07/13/1011376403/its-summer-and-that-means-the-mysterious-return-of-glacier-ice-worms

[Ask the Science Couch]

Invasive earthworms in North America

https://www.sciencedirect.com/science/article/abs/pii/S003807170600527X

https://link.springer.com/article/10.1007/s10530-006-9019-3

http://genesee.cce.cornell.edu/agriculture/natural-resources/invasive-pests/jumping-worm-amynthas-spp

https://www.sciencedirect.com/science/article/abs/pii/S0038071720302510

https://dnr.wisconsin.gov/topic/Invasives/fact/jumpingWorm.html

Invasive flatworms that prey on earthworms

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5969052/

https://eastland.agrilife.org/invasive-hammerhead-flatworms/

https://www.jstor.org/stable/3858619

[Butt One More Thing]

Largest human coprolite has parasitic worms

https://www.atlasobscura.com/places/lloyds-bank-coprolite

https://www.theguardian.com/careers/2016/may/12/paleoscatologists-dig-up-stools-as-precious-as-the-crown-jewels

https://www.bbc.co.uk/ahistoryoftheworld/objects/51Et55R_RuCmabtTgQllzQ

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