NOVA

7.6/ 10

60 min

Seizoen 21, aflevering 5

Can Chimps Talk?

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?

Uitzenddatum: 15 februari 1994

Netwerk: PBS

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Acteurs

Patricia Marks Greenfield