We Asked Roblox’s C.E.O. About Child Safety. It Got Tense.

This week the company announced that it would require users to undergo an A.I.-powered age estimation process in order to chat with others on the platform. Will this change reassure parents?

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She Studied How to Protect Children From Pollution and Heat

“There was no warning, no conversation,” said Jane Clougherty, an environmental health scientist, who had a federal grant canceled earlier this year.

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Google’s Gemini 3 Is Here: A Special Early Look

Maybe more than other model releases, this one seems to have the attention of Google’s competitors. Will it put the company at the top of the A.I. leaderboard?

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James Watson Saw the True Form of DNA. Then It Blinded Him.

James Watson’s legacy is a cautionary tale against letting a profound discovery shape your entire worldview.

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America’s Formula for Greatness Is Under Threat

Education, open markets, trade and immigration transformed the United States into the world’s dominant power, but each is now being weakened.

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Data Centers in Space + A.I. Policy on the Right + A Gemini History Mystery

“As you may have noticed, it is not easy to build data centers here on Earth.”

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He Helped Cities Anticipate Damage From Storms

Austin Becker developed an early warning system to protect critical infrastructure from storms. His project’s funding was eliminated in April.

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Visiting Leiden, Canals and Charm Without the Crowds of Amsterdam

Leiden, a city whose university is often called the Oxford of the Netherlands, features museums, gardens, murals and plenty of ways to stretch your mind.

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Stinking, Spongy, Dark, Huge: A Spider Web Unlike Any Seen Before

A pitch-black cave in the Balkans is home to what researchers say is a singular work of cooperation by two usually-hostile species of spider.

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Inside China’s Quest to Defy Aging with Longevity Labs and ‘Immortality Islands’

Longevity labs, “immortality islands” and grapeseed pills are part of China’s national project to conquer aging, despite sometimes shaky science and extravagant claims.

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