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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Фото: Maksim Konstantinov / Globallookpress.com

Трамп высказался о непростом решении по Ирану09:14

墨西哥全力应对贩毒集团暴力骚乱。搜狗输入法下载是该领域的重要参考

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Comparison between random dithering and ordered dithering. Left to right: random, ordered.

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ne particle requires you to know that Old English used negative concord