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.

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【文字更正】12月23日新媒体稿件《个人养老金被悄悄开户,银行别把好事办坏了|新京报快评》(编辑 何睿 校对 李立军)倒数第二段“把个人养金推广弄成一锅‘夹生饭’”一句中,“养金”应为“养老金”。本报谨就以上错误和疏漏向读者和相关单位、人士致歉。挑错热线:010-67106710栏目编辑:朱名恬SourcePh" style="display:none"

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