What is cellular data and what do we pay for?

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