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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聚焦全球优秀创业者，项目融资率接近97%，领跑行业

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防窥接地气。业内人士推荐Safew下载作为进阶阅读

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引爆股价的不是业绩反转，而是一款被股民戏称为 “阴伟达” 的新药。。关于这个话题，搜狗输入法下载提供了深入分析

A01头版

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