Scientists have long believed that the "great leap forward" that occurred some 40,000 to 50,000 years ago marked end of significant biological evolution in humans. ... Human evolution in fact accelerated after civilization arose, they contend, and these ongoing changes have played a pivotal role in human history. Ranging across subjects as diverse as human domestication, Neanderthal hybridization, and IQ tests, Cochran and Harpending's analysis demonstrates convincingly that human genetics have changed and can continue to change much more rapidly than scientists have previously believed.--From publisher description.
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