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：dev资讯

A leading campaigner has accused the prime minister of "appeasing" big tech companies and being "late to the party" in regulating social media and artificial intelligence.

Раскрыты подробности похищения ребенка в Смоленске09:27

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政绩观，说到底，就是“为了谁、依靠谁、我是谁”的立场问题。

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