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：tutorial资讯

Фото: WANA (West Asia News Agency) via Reuters

这种效果在物理学上被称为「朗伯余弦定律」（Lambert’s Cosine Law），其核心特征就是无论从哪个角度观察，屏幕的亮度看起来都是一样的。

[ITmedia P，这一点在搜狗输入法2026中也有详细论述

Feb 27, 2026 4:36 AM

The report from OpenAI “clearly demonstrates the way that China is actively employing AI tools to enhance information operations,” Michael Horowitz, a former Pentagon official focused on emerging technologies, told CNN.

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猎户座重返赛场，AI 再引外援