NEW YORK TIMES BESTSELLER Now Elizabeth Hess’s unforgettable biography is the inspiration for Project Nim, a riveting new documentary directed by James Marsh

Sue Savage-Rumbaugh's work on the language capabilities of the bonobo Kanzi has intrigued the world because of its far-reaching implications for understanding t

Current primate research has yielded stunning results that not only threaten our underlying assumptions about the cognitive and communicative abilities of nonhu

t how close to the human mind this ape has come. "No other animal has done more to renew interest in animal intelligence"--Time 42 intriguing photos.

Psychologists and linguists examine the role of mutualities (e.g. of culture) in effective communication.