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.

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He said it would result in recommendations that are intended to better protect the UK when the next pandemic strikes, but would not comment on the nature of the relationship with the government.

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社会科学有一个概念叫古德哈特定律(Goodhart’s Law):当一个指标变成目标时,它就不再是一个好的指标。「请」和「谢谢」的出现频率原本可以作为服务友好度的一个粗略信号,但一旦它变成员工被考核的 KPI,员工就会优化这个指标本身,而不是优化它背后的东西。

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