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4日 · 李娜 · 来源：dev在线

小米汽车宣布，雷军将于今晚 7 点半开启马年首场直播，主题聚焦「关于安全」，地点位于小米汽车工厂。

Defense Secretary Pete Hegseth threatened to revoke Anthropic’s $200 million contract with the U.S. military or label the company a supply-chain risk.

Yes 。关于这个话题，新收录的资料提供了深入分析

В конфликте на Ближнем Востоке увидели выгоду для Украины20:58

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