A.I. chatbots have been designed to behave in a humanlike way. Some experts think that’s a terrible idea.…
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An unusual object orbiting a rapidly spinning star might be a new phenomenon in the universe.…
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Mr. Musk has ambitions to remake education, but his latest effort to open an elementary school in Texas appears to…
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Jared Isaacman, the billionaire nominated twice to lead the agency, may draw some lessons from the tenure of another NASA…
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In Argentina, the return of pumas brought top predators back to the landscape — much to penguins’ dismay.…
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A cave in the Dominican Republic concealed thousands of years worth of animal bones that had been turned into nests…
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For ecologists, the Covid-19 pandemic has presented a remarkable natural experiment in what can happen to wild animals when humans…
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The data centers used for work on artificial intelligence can cost tens of billions to build. Tech giants are finding…
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Lightspeed Venture Partners, a Silicon Valley venture firm, has amassed more than $9 billion to invest in artificial intelligence. That…
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Perhaps it was hiding from predators. Or trying to catch food. Then again, maybe it just wanted to be left…
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