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：open资讯

means the compiler can no longer allocate the backing store on the

Max Woolf (@minimaxir) is a Senior Data Scientist at BuzzFeed in San Francisco who works with AI/ML tools and open source projects. Max’s projects are funded by his Patreon.

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