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Thursday, October 28, 2010

Photo: Europe's 1st Farmers Were Segregated, Expert Immigrants


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Prehistoric bones are irradiated with ultraviolet light to destroy superficial DNA traces, perhaps from handling by researchers, which could otherwise compromise test results.

The bones were analyzed during a study, published in September 2009, that concluded that Europe's first farmers came from afar.

Photograph courtesy Joachim Burger/Science