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：plus资讯

2026-02-28 00:00:00:03014272910http://paper.people.com.cn/rmrb/pc/content/202602/28/content_30142729.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/28/content_30142729.html11921 2026年中国载人航天工程将深化推进空间站应用与发展、载人月球探测两大任务

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