Dogs act like toddlers when you need help - but cats just watch. Scientists compared 3 groups: pet dogs, cats, and human toddlers in an experiment where a human parent hides and pretends to look for an object. 75% of dogs and children helped. Cats only helped if it was in their personal interest.

· · 来源：help资讯

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事实上，争夺银发人群也早已是大厂的明牌。

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Watch: New video shows masked person outside Nancy Guthrie's home

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Most people Gareth encountered while he was sleeping on the streets were kind, but he says some made critical comments and stole his possessions in the night.