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：nc资讯

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Мерц резко сменил риторику во время встречи в Китае09:25

A01头版，详情可参考safew官方版本下载

Сайт Роскомнадзора атаковали18:00。业内人士推荐同城约会作为进阶阅读

Some business leaders, including supermarket bosses, say minimum wage increases mean they cannot hire more staff.

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