Science & Medicine,
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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.
June 14th, 2012
Episode 165 of 684 episodes
Dr Karl and Dr Giles explore questions about hair length, the existence of monatomic gold and whether you should breathe through your mouth or your nose in a dusty environment.
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