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.

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圖像加註文字，在台北二二八和平紀念公園，牆上紀念事件中的死難者。1990年代台灣解嚴後，開始可以公開談論二二八，事件也首次出現在高中教科書。李登輝執政時期代表國家為二二八事件道歉，並推動官方調查，指定二二八為國家紀念日，加重教科書篇幅。

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Update, February 25 2026, 4:35PM ET: This story has been updated to include more details on the Perplexity AI integration, as well as include mentions in the intro of our hands-on and pre-order articles.

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