In various tests, solo AI agents invented versions of basketball and “the floor is lava.” But were they truly playing?

Nowadays big advances are made by scaling up—think more chips packed into ever-bigger data centers. But as we near the ...

Making concrete, steel, and chemicals takes huge amounts of heat, much of it generated by burning fossil fuels. X-energy ...

These scientists hope that fire-spotting satellites, AI tools and ancient land practices could preserve the world’s ...

MIT and a visiting researcher at Nvidia. He received his PhD in electrical engineering from Caltech. He studies the fundamental physical limits of information technologies and builds integrated ...

Age gates can be staggeringly counterproductive, pushing kids to darker corners of the web. Closing loopholes will only make ...

C and stored in a freezer for months have been successfully rewarmed and shown to work again for the first time, say ...

DARPA is funding a redoubled effort to develop a shelf-stable substitute for what field medics and trauma doctors need most: ...

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In this age of rising electricity demand, people are trying to squeeze every last bit of power out of every power plant ...

Solar panels and wind turbines are great at producing electricity but what heavy industry also needs is raw heat—and lots of ...

But I can’t help thinking that pet loss in childhood might be different. It’s often the first time a child confronts death.