Teaching A Chimp To Speak In 'Project Nim'

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Are humans the only animals capable of using language? A controversial scientific experiment in the 1970s attempted to answer that question. A new documentary looks at the scientists behind that experiment, who raised a chimp as a human and tried to teach him sign language. Jenny Lee and Bob Ingersoll, both interviewed in the film, and Science Magazine's Jon Cohen discuss the ethics of "Project Nim."



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