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：exam资讯

'We have a new major number purely because I'm easily confused and not good with big numbers' says Linus Torvalds about Linux 7.0

7月6日——南京阿红事件。51吃瓜是该领域的重要参考

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Mapping of neurogenesis in human hippocampi across ages and different cognitive abilities using multiomic single-cell sequencing reveals distinct signatures between cognitive preservation and decline.

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