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:trace资讯

Сайт Роскомнадзора атаковали18:00

Researchers in California are experimenting with air driven actuation

世界经济论坛首席执行官辞职。业内人士推荐搜狗输入法2026作为进阶阅读

Digit alignment — pairing corresponding digits from two numbers

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Trump orde

Юлия Мискевич (Ночной линейный редактор)