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：dev资讯

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Then Firefox has some good news for you. The popular web browser, which is run by the non-profit-owned tech company Mozilla, has just rolled out a new update that comes with an AI killswitch.

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4. Which metrics should I be looking at?