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：wap资讯

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06版。业内人士推荐同城约会作为进阶阅读

Manjit Sangha wants to raise awareness around sepsis after leaving hospital following seven months of treatment

ВСУ запустили «Фламинго» вглубь России. В Москве заявили, что это британские ракеты с украинскими шильдиками16:45

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Japan will deploy missiles to a tiny island near Taiwan within five years, its defence minister has said, in a move that is likely to inflame tensions with China.