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.

2026年1月16日 · 周杰 · 来源：huadong资讯

Medical Cannabis Products Provide Sustained Improvements in Patients With Chronic Pain, Anxiety, and Depression

The Samsung 55

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But the president has offered little certainty about which firm he favours.

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