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.
昨晚，OpenAI 终于宣布完成 1100 亿美元新一轮融资，投前估值高达 7300 亿美元。
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Nature, Published online: 25 February 2026; doi:10.1038/d41586-026-00544-6。关于这个话题，91视频提供了深入分析
But some users remain concerned about the platform's approach.