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Old, old Neanderthals

September 22, 2015

A genomic analysis of Sima fossils suggests that modern humans split from Neanderthals and Denisovans further past than once thought, more than a half-million years. Nonetheless, recent interbreeding with Neanderthals and Denisovans is responsible for modern humans having a range of interesting traits, including a gene that gives Tibetans better tolerance of high altitudes.

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