Overview: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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First Air Date: Mar 03, 1974Last Air date: May 22, 2024Season: 51 SeasonEpisode: 981 EpisodeRuntime: 55:14 minutesQuality: HDIMDb: 4.168 / 10 by 107 usersPopularity: 1059.629Language: en
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