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.

2026年2月24日 · 周杰 · 来源：dev资讯

More Technology of BusinessHow the defence sector is battling a skills crisis

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互删视频。搜狗输入法2026对此有专业解读

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