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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But previous analysis by the BBC Shared Data Unit estimated that the defences not maintained by the EA were 45% more likely to be below target.

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中国式现代化的征程,越过一山又一山。