5 live Science Podcast

BBC Radio 5 live

Science & Medicine, Natural Sciences

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Natural Sciences 160

5 live's science podcast, featuring Dr Karl, plus Dr Chris and Naked Scientists Chris Smith and Kat Arney with the hottest science news stories and analysis.


How much should you chew?

July 2nd, 2012

Episode 174 of 689 episodes

Dr Karl and Dr Rhod discuss how much you should chew food, why some substances conduct electricity while others don't, and what's going to happen as the world's supply of Helium runs down.

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