Episode

5 live Science Podcast

BBC Radio 5 live

Science & Medicine, Natural Sciences

Chart Positions

Science & Medicine 147
Natural Sciences 43

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.

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Soap and Salt

October 25th, 2012

Episode 214 of 684 episodes

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

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