When did Horizon Season 11 Episode 12 air?
Horizon Season 11 Episode 12 aired on May 6, 1974.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 11 · Episode 12
The Hunting of the Quark
May 6, 1974·1h
This Horizon episode is about the search for quarks, thought to be the substance of which electrons, protons, and neutrons are made of.
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How long is Horizon Season 11 Episode 12?
This episode runs for approximately 60 minutes.
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