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

携程 2025 年第四季度净营收约 153.98 亿元，同比增长约 20.83%；

Nature, Published online: 24 February 2026; doi:10.1038/d41586-026-00517-9

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Sasha's hoping to go to BludFest in the Czech Republic and is excited for European fans too