December 27, 2024

The world’s first industrial-scale plant for green steel promises a cleaner future

As of 2023, nearly 2 billion metric tons of it were being produced annually, enough to cover Manhattan in a layer more than 13 feet thick.  Making this metal produces a huge amount of carbon dioxide. Overall, steelmaking accounts for around 8% of the world’s carbon emissions—one of the largest industrial emitters and far more…

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The Download: how OpenAI tests its models, and the ethics of uterus transplants

November 22, 2024
This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. How OpenAI stress-tests its large language models OpenAI has lifted the lid (just a crack) on its safety-testing processes. It has put out two papers describing how it stress-tests its powerful large language…

Who should get a uterus transplant? Experts aren’t sure.

November 22, 2024
This article first appeared in The Checkup, MIT Technology Review’s weekly biotech newsletter. To receive it in your inbox every Thursday, and read articles like this first, sign up here. Earlier this year, a boy in Sweden celebrated his 10th birthday. Reproductive scientists and doctors marked the occasion too. This little boy’s birth had been special. He was…