Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 23 · Episode 2 ·
Genesis
This Horizon episode is about the discovery of a molecular key which may literally unlock the mystery of life for all creatures.
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Episode 2 of season 23 of Horizon: “Genesis”. Aired 1986-01-13. Watch it online free on ZapFlix.