To Pee, or not to Pee?

14 January 2011
Presented by Chris Smith, Redi Tlhabi.

Could personal nuclear reactors power towns, why can't eyes be transplanted like livers, is it dangerous not to pee and poo when you need to, do drugs damage sperms and eggs, and how do rain and distilled water differ? Join Dr Chris as he pits his wits against these and other scientific mysteries...

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