Experts and college students used A.I. agents to try to break into and defend computer networks in a national competition.…
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Anthropic said that Claude Mythos was too dangerous to release to the public. That claim has reopened an old debate…
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The chief executive…
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The remora often latches on to the exteriors of larger marine creatures. But sometimes it travels in a more intrusive…
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Elon Musk’s lawyer argued that Microsoft’s Satya Nadella played a role in getting Mr. Altman his job back at OpenAI…
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The tech leaders, with combined net worths exceeding $670 billion, have brought props to court and traded icy stares as…
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The U.S. has pressed Argentina and Chile to review two Chinese telescope projects in the Andean deserts. Astronomers are worried…
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Kirsten Beyer was assessing the benefits of improving school playgrounds in Milwaukee. Then her E.P.A. grant was canceled.…
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Pictures and striking scenes from the making of perhaps the world’s most celebrated naturalist.…
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