Can Chimps Talk?

Feb 15, 1994 on PBS at 9:00 PM


NOVA covers exciting and controversial research with chimpanzees who have been trained to express themselves with human symbols. Are they speaking their minds? Or are they just aping their trainers?

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Season 21 Episode 4

Feb 08, 1994

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In Search of Human Origins: The Story of Lucy
Season 21 Episode 6

Feb 28, 1994