Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 11 · Episode 19 ·
The Race for the Double Helix
This documentary of Horizon reports on the discovery of the structure of DNA in 1953 by Dr. Francis Crick and Prof. James Watson.
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Episode 19 of season 11 of Horizon: “The Race for the Double Helix”. Aired 1974-07-08. Watch it online free on ZapFlix.