What Would Happen If

What Would Happen If

Episode 10 (1x10)


: 04, 2009

Marty puts old wives' tales to the test as he attempts to predict the sex of an unborn child. Also, our brains in a box try to answer the age-old question of which came first, the chicken or the egg.

  • : 2009
  • : 10
  • : 1
  • National Geographic
  • 17