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Learn about the elements and their roles in the universe.
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Journey back to the beginning of everything: the universe, Earth, and life itself.

Passport: Show | Hide

Journey back to the beginning of everything: the universe, Earth, and life itself.
1
NOVA  ·  Episode 3113

Origins: Where are the Aliens?

09/28/2004

Journey back to the beginning of everything: the universe, Earth, and life itself.

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