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Do we really need another computer?

One that's faster.

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A powerful AI computer is not for everyone. But if you're trying to change the world, even if just your own, we built one for you. Microsoft Copilot Plus PCs powered byby. Each week, we feature the most interesting news and research published in science and the sister journals. First up, we talk gravity batteries, which are basically a way to store renewable energy from sun and wind in heavy things held high off the ground.

For that story, we talk with contributing correspondent Kathleen O'Grady.

Then we talk with researcher Eric Lundgren about how feral donkeys and wild horses can engineer the desert by digging wells and supplying water to the ecosystem.

Now we have contributing correspondent Kathleen O'Grady.

She visited a demonstration facility in Edinburgh where a company is testing storing renewable energy, like from wind or from solar,

in gravity batteries.

Hi, Kathleen.

Hi.

...