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.

2026年1月19日 · 吴鹏 · 来源：tutorial资讯

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The three preconditions for success are seen as critical by Iranian diplomats, but it remains unclear whether Trump accepts these parameters.

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