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New glowing molecule, invented by AI, would have taken 500 million years to evolve in nature, scientists say
By Patrick Pester published
An artificial intelligence model has created a new protein that researchers say would have taken 500 million years to evolve in nature — if nature were capable of producing such a thing.

Best air purifiers 2025: Remove pet hair, smoke, dust and more
By Anna Gora, Lou Mudge last updated
BUYING GUIDE These are the best air purifiers you can buy in every category, from Levoit Core 600S and BlueAir Blue Pure 411i Max to Dyson Purifier Cool.

Scientists propose making AI suffer to see if it's sentient
By Conor Purcell published
A new study shows that large language models make trade-offs to avoid pain, with possible implications for future AI welfare.

Chinese researchers just built an open-source rival to ChatGPT in 2 months. Silicon Valley is freaked out.
By Ben Turner published
DeepSeek-R1, a new reasoning model made by Chinese researchers, completes tasks with a comparable proficiency to OpenAI's o1 at a fraction of the cost.

AI can now replicate itself — a milestone that has experts terrified
By Owen Hughes published
Scientists say AI has crossed a critical 'red line' after demonstrating how two popular large language models could clone themselves.

Boom Supersonic's next-generation XB-1 passenger plane 1 step away from breaking the sound barrier
By Rory Bathgate published
Boom Supersonic's XB-1 demonstrator craft could become the first commercial jet to break the sound barrier since Concorde after acing its 11th test and reaching 0.95 Mach at low altitudes.

World's fastest supercomputer 'El Capitan' goes online — it will be used to secure the US nuclear stockpile and in other classified research
By Keumars Afifi-Sabet published
The world's fastest supercomputer 'El Capitan' can reach a peak performance of 2.746 exaFLOPS, making it the planet's third exascale computer.

Best microscopes for students 2025
By Morgan Bailee Boggess McCoy last updated
Discover a microscopic world with one of the best microscopes for students and young scientists, without emptying your wallet.
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