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.

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Article InformationAuthor, 鄭佩珊

15:51, 27 февраля 2026Ценности

A03要闻，推荐阅读safew官方版本下载获取更多信息

Nature, Published online: 25 February 2026; doi:10.1038/s41586-026-10207-1

Филолог заявил о массовой отмене обращения на «вы» с большой буквы09:36

A10经济新闻

要的不是「你得出了什么结论」，而是得到结论的过程。