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27日 · 李娜 · 来源：tutorial资讯

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Anthropic

These handy wireless devices do exactly what their name suggests: extend your Wi-Fi network so it covers more areas of your home. Most wireless extenders plug into an AC outlet and connect to your existing router so they can then rebroadcast it to spots that your router alone may not cover well. As a rule of thumb, you’ll get the best results by placing the extender half way between your router and the dead zone you’re trying to fix or improve your W-Fi connection and strengthen the wireless signal.