Year in Review: Canine genealogy
Competing clues confuse story of dog domestication
By Meghan Rosen, 13:56 PM December 12, 2013
The ancient lineage of man’s best friend is kind of a tangled mess. But scientists made some progress this year in identifying dogs’ ancestors and in estimating the timeline of canine domestication.
Dogs may have descended from a now-extinct wolf species, Adam Freedman of Harvard and colleagues reported in June (SN: 7/13/13, p. 14). They date dog domestication to between 11,000 and 16,000 years ago, before the rise of agriculture.
But not all the new clues tell the same story. Archaeologists...
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