New studies of canine genetics shed light on the diversity of dogs and our longstanding, still-evolving relationship to them.
WASHINGTON — Over 150 small dogs will race at The Wharf in D.C. this weekend. The 12th annual Running of the Chihuahuas has been rescheduled to Sunday from 2 to 5 p.m. due to weather, organizers said.
New research suggests that most modern dogs carry a small but detectable dose of wolf DNA acquired after domestication.
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