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 · 郭瑞 · 来源：media资讯

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Фото: U.S. Navy photo by Mass Communication Specialist 2nd Class Jackson Adkins / Wikimedia