When did NOVA Season 2 Episode 13 air?
NOVA Season 2 Episode 13 aired on February 16, 1975 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.
High in the Hoggar Mountains, in the exact center of the Sahara desert, lives Sidi Mohammed and his family: children, grandchildren, cousins and a few former slave women. Their environment, one of the most ungenerous on earth, provides them with almost nothing. NOVA examines the changing lifestyle of Sidi Mohammed.
Direct answers for episode-level questions and details.
NOVA Season 2 Episode 13 aired on February 16, 1975 at 9 PM ET.
This episode runs for approximately 55 minutes.
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