How hungry carnivores became man's best friend ?and then moved right in
本文作者： 21ST
SIT! Good dog. Now stay there – for 15,000 years! Scientists once thought that the dogs that populate our cities came from East Asia, where the first canines were believed to have been domesticated. But a new study published last week in the journal Nature has found that Middle Eastern wolves may have been the first human-bred canines – around 15,000 years ago. |  |
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