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.
To read the full story, see the 17 April issue of Science.