Season 1, Episode 5 How Did We Get Here?

First Aired: July 7, 2010

The origin of lifeforms and the definition of life are discussed.

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  • Premiered: June 9, 2010
  • Rating: TV-PG
  • User Rating:3.59 out of 5 (93 ratings)
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  • Premise: Exploring mysteries of the universe, such as black holes, string theory and the origin of the cosmos. (more)

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