A12荐读 - 广西一村庄20余亩农田缺水消防队出车往返5次运水灌溉

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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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We are building a community-led endowment fund that leverages "open source alumni" to

Фото: Екатерина Якель / «Лента.ру»

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