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"Sonic Hedgehog Gene" - Why You Have Thumbs And Not Fins

Original Title: Sonic the Hedgehog Is Why You Have Thumbs! Ever wonder why you have thumbs?

English
  • Originally Aired April 7, 2014
  • Runtime 7 minutes
  • Network YouTube
  • Created June 15, 2015 by
    Administrator admin
  • Modified June 15, 2015 by
    Administrator admin