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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The research, based on citizen science surveys led by the Bat Conservation Trust, estimates that half of all churches in England - that's more than 8,000 - have bats in them.，更多细节参见WPS下载最新地址

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