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：wh资讯

And in May this year, China and Russia announced they plan to build an automated nuclear power station on the Moon by 2035.

Вячеслав Агапов

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However, the mother-of-three started feeling "very ill" seven days later.

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7 AI coding techniques that quietly make you elite