Naked Scientists Ask The Naked Scientists SA

Are urine and sweat the same?

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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.
4 Mar 2013 English United Kingdom Science

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