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Thursday, October 28, 2010

Photo: Human Ancestors Shuffled Before Walking, Study Says


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A chimp carrying a newborn walks through its enclosure at Taronga Zoo in Sydney, Australia, on May 8, 2008.

A new study analyzing chimp gaits suggest that the ancient split between primates and humans may have its roots in early ancestors' simple, energy-saving shuffle.

Photograph by Matt Blyth/Getty Images