Are urine and sweat the same?
Mar 01, 2013•18 min•Ep. 223
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Episode description
How did horse meat end up in the food chain? Is baking foil bad for you? How big are viruses? How are urine and sweat produced? How do hydrogen vehicles work? And how do we measure the height of things above sea level? Join Chris Smith for this week's crop of top questions from Talk Radio 702, South Africa. Like this podcast? Please help us by supporting the Naked Scientists
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