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Animal-communication Quotes

Human spoken language seems to beadventitious. The exploitation of organ systems with other function...

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Carl SaganDragons of Eden: Speculations on the Evolution of Human Intelligence

Why are there no nonhuman primates with an existing complex gestural language? One possible answer, ...

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Picture of Carl Sagan
Carl SaganDragons of Eden: Speculations on the Evolution of Human Intelligence

I would expect a significant development and elaboration of language in only a few generations if al...

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Picture of Carl Sagan
Carl SaganDragons of Eden: Speculations on the Evolution of Human Intelligence

In addition to Ameslan, chimpanzees and other nonhuman primates are being taught a variety of other ...

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Picture of Carl Sagan
Carl SaganDragons of Eden: Speculations on the Evolution of Human Intelligence