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：beta资讯

2月27日，阿里旗下通义千问高调宣布进军AI硬件，首款AI眼镜将在MWC亮相，还表示年内将推出AI指环与AI耳机。

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Nominees don’t have to have experience in software development or have served on governing boards in the past: we seek candidates from all backgrounds.，更多细节参见夫子

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Gold 'three lions' pendant from the 13th-14th Century