When did NOVA Season 11 Episode 12 air?
NOVA Season 11 Episode 12 aired on October 30, 1984 at 9 PM ET.


PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.
NOVA explores whether "yellow rain," described by members of the Hmong tribe of Laos, is a form of chemical warfare—or a naturally occurring phenomenon.
Direct answers for episode-level questions and details.
NOVA Season 11 Episode 12 aired on October 30, 1984 at 9 PM ET.
This episode runs for approximately 55 minutes.
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