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：tutorial资讯

Households on a default dual-fuel tariff in Great Britain could cut costs by moving to a fixed deal

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Why the FT?See why over a million readers pay to read the Financial Times.

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