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Pets vital to human evolution

By Larry O’Hanlon

Dogs, cats, cows and other domesticated animals played a key role in human evolution, according to a theory being published by paleoanthropologist Pat Shipman of Penn State University.

The uniquely human habit of taking in and employing animals — even competitors like wolves —spurred on human tool-making and language, which have both driven humanity’s success, Shipman says.

“Wherever you go in the world, whatever ecosystem, whatever culture, people live with animals,” Shipman told Discovery News.

Read the original article at: MSNBC

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