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：dev资讯

AI could prove as transformative as its most optimistic backers are predicting.

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Ofgem cap drops by 7% to £1,641 a year for consumers’ average gas and electricity costs