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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第六十一条 违反本法第五十条规定，侵害未成年人合法权益的，由公安机关处二十万元以下罚款；情节严重的，处五十万元以下或者违法所得十倍以下罚款，可以并处十五日以下拘留。。91视频是该领域的重要参考

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This article originally appeared on Engadget at https://www.engadget.com/science/space/the-astronaut-whose-illness-forced-an-early-return-from-the-iss-was-mike-fincke-163752239.html?src=rss

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