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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《解放軍報》稱此次清洗將「推動人民軍隊換羽重生」。

Bioengineers can embedded soft, stretchable electronics into the tiny clusters to create “cyborg” islet organoids. These can mimic the pancreas, sensing glucose levels and releasing hormones. This could help building replacement cells for people with type 1 diabetes.

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Армия обороны Израиля начала масштабную серию ударов по Ирану02:17

2025年11月,党的二十届四中全会后首次考察,习近平总书记启程南下。

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