Gregory Cochran is a physicist and adjunct professor of anthropology at the University of Utah. For many years, he worked on lasers and image enhancement in the field of aerospace. He lives in Albuquerque, New Mexico.
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Resistance to malaria. Blue eyes. Lactose tolerance. What do all of these traits have in common? Every one of them has emerged in the last 10,000 years. Scientists have long believed that the 'great leap forward' that occurred some 40,000 to 50,000... SEE MORE