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：it资讯

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Москвичи пожаловались на зловонную квартиру-свалку с телами животных и тараканами18:04

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Collins was also a parent to two young children. The fact that she was a working wife and mother was frequently brought up in press conferences at the time, with some journalists seemingly astonished that she could be both.