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2月14日 · 李娜 · 来源：tutorial资讯

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Anthropic CEO Dario Amodei (Photo by David Dee Delgado/Getty Images for The New York Times)David Dee Delgado via Getty Images，推荐阅读Line官方版本下载获取更多信息

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FedEx plans to pass along any refunds resulting from the Supreme Court's ruling that some of President Donald Trump's tariffs are "illegal." In a statement on its website, FedEx notes that while "no refund process has been established by the courts," the company will reimburse shippers and consumers impacted by tariffs if it gets its money back.