When did Horizon Season 30 Episode 19 air?
Horizon Season 30 Episode 19 aired on June 14, 1993.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 30 · Episode 19
A Vital Poison
Jun 14, 1993·1h
Horizon describes how researchers discovered that a lethal gas, called nitric oxide, was behind some of the most basic functions of our bodies.
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How long is Horizon Season 30 Episode 19?
This episode runs for approximately 60 minutes.
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