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：data资讯

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Food bank says referrals up by a third last year

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52. 鼓励学生深造日本拟设大学本硕“五年一贯制” - 新华网, www.news.cn/world/20251…