狗的起源 The Origin of Dogs

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数万年前,在人类还没有经历工业革命,没有发明金属冶炼,甚至还没有开始农耕生活的时候,我们的祖先就已经和灰狼形成了一种互惠的关系。从那个时候开始,两个种族就一直生活在一起,影响着彼此。“人类最好的朋友”狗狗和凶狠的狼之间有什么联系呢?

Tens of thousands of years ago,early humans formed an unlikely partnership with another animal.

The grey wolf.

Over time,the wolves changed in body and temperament.

Their skulls,teeth and paws shrank.

Their ears flopped.

They gained a docile disposition,becoming both less frightening and less fearful.

They turned into dogs.

Scientists agree that all dogs descend from wild ancestral wolves,but they disagree as to when,where and how that happened.

Gregor Larson from the University of Oxford has been trying to get some firm answers.

Already,he and his team have yielded a surprising discovery.

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