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

2024年12月25日 星期三 新京报

Publication date: 28 February 2026

NASA overh。业内人士推荐Line官方版本下载作为进阶阅读

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