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How the wolf became the dog

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Science  17 Apr 2015:
Vol. 348, Issue 6232, pp. 277
DOI: 10.1126/science.348.6232.277

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Summary

Scientists who study canine origins seem to fight about everything: where dogs arose, when this happened, and even the best way to find these answers. But there's one thing most of them agree on: how dogs became domesticated. Dogs, the thinking now goes, domesticated themselves, with the tamest wolves able to approach ancient human campsites and feast on leftover carcasses. New findings from an unprecedented collaboration of geneticists and archaeologists are adding insight into how dogs became domesticated, as is a new study, which shows that dogs have hijacked the same hormonal pathway human mothers use to bond with their infants.