Canine Mystery: How Dogs Became Man's Best Friend

Dogs were the first animals to be domesticated, but scientists have long debated precisely how--and when--it happened. With archaeological records and genetic research leading to different hypotheses, are we any closer to understanding how dogs became man's best friend?

Source: http://www.npr.org/2013/01/25/170267847/canine-mystery-how-dogs-became-mans-best-friend?ft=1&f=1007

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