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Braking Systems & Origins Of Speech

Jem Stansfield tests out new braking systems that won't burn money, Liz Bonnin looks into the origins of speech by trying to wipe out someone's speech cortex, Dallas Campbell takes part in a sea race with Dame Ellen MacArthur to try and explain why British summers are rubbish and Dr Yan Wong explains a common optical illusion.

English suomi
  • Originally Aired September 14, 2009
  • Runtime 30 minutes
  • Content Rating United States of America TV-PG
  • Network BBC One
  • Created August 9, 2013 by
    Administrator admin
  • Modified August 9, 2013 by
    Administrator admin