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20日 · 徐丽 · 来源：dev资讯

20:22, 27 февраля 2026Силовые структуры

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Мерц резко сменил риторику во время встречи в Китае09:25

The Los Angeles District Attorney's Office declined to comment when contacted by the BBC.

据彭博社报道，美国 3D 引擎技术公司 Unity Software 正在评估其中国业务的多种战略选项。