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.


Soap and Salt

October 25th, 2012

Episode 214 of 689 episodes

Are the seas getting saltier and where does soap come from. Dr Karl explains.

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