Chimpanzees: An Unnatural History

Season 25 Episode 1 | 53m 53s  | Video has closed captioning.

Individuals care for a population of once-captive chimpanzees that scientists used for research.

Aired: 11/05/06

Expires: 11/30/25

Rating: NR

Problems Playing Video? | Closed Captioning

Major support for NATURE is provided by the Arnhold Foundation, The Fairweather Foundation, Kate W. Cassidy Foundation, Sue and Edgar Wachenheim III, Kathy Chiao and Ken Hao, Charles Rosenblum, Sarah …


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