Are urine and sweat the same?

01 March 2013
Presented by Chris Smith, Redi Tlhabi.


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.


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