How Does Deodorant Work?

Join Dr Chris to discover why a work out makes you whiffy, how grass can grow in concrete, what diseases birds can give to humans, as well as why humans, but not other animals,...

29 October 2010

Presented by Chris Smith, Redi Tlhabi.

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Underarm hair

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CC-BY-SA - David Shankbone

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The Naked Scientist, Chris Smith strips science down to its bare essentials."How does grass break concrete?"is one of the questions answered in this fascinating show.

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