When did NOVA Season 21 Episode 7 air?
NOVA Season 21 Episode 7 aired on March 1, 1994 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.
Anthropologist Donald Johanson looks at how our human ancestors of two million years ago made their living. Contrary to popular myth, scavenging was a more lucrative living than hunting-and may have contributed to the development of human intelligence.
Direct answers for episode-level questions and details.
NOVA Season 21 Episode 7 aired on March 1, 1994 at 9 PM ET.
This episode runs for approximately 55 minutes.
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