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Thursday, October 28, 2010

Photo: Ancient Cheetah Fossil Points to Old World Roots?


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A nearly complete fossil cranium found in China's Gansu Province (above, shown in several views) supports the theory that the big cats originated in the Old World, not North America as previously thought, researchers say.

But other scientists say they had already identified the species under another name.

Photograph courtesy of the National Academy of Sciences, PNAS