Free radicals have a terrible reputation. These reactive and unstable molecules have been associated with cancer, aging, and degenerative diseases such as Alzheimer's. Yet the body constantly produces free radicals as a key part of life-sustaining processes, such as...
This week's science news has been fraught with controversy, as the three former leaders of the U.S. Centers for Disease Control and Prevention (CDC) took to a webinar to describe the chaos unfolding at the agency since the start of the second Trump administration....
Harvard University professor Larry Summers is taking leave while the school investigates his and others' ties with late sex offender Jeffrey Epstein, a spokesperson confirmed. The former US treasury secretary and onetime Harvard president will stop teaching and step...
Novelists are worried that artificial intelligence (AI) could take their jobs, according to a report. It found that about half of them said AI could "entirely replace" their work. Dr Clementine Collett, of the Minderoo Centre for Technology & Democracy (MCTD) at the...
Chip giant Nvidia has reported stronger-than-expected revenues, easing investor concerns about heavy artificial intelligence (AI) spending that have unsettled markets. The company said revenue for the three months to October jumped 62% to $57bn, driven by demand for...
“We’re here to talk about really substantive changes, and we want you to be a participant in that,” said Desirée Plata, the School of Engineering Distinguished Professor of Climate and Energy in MIT’s Department of Civil and Environmental Engineering, at...
Computer-Aided Design (CAD) is the go-to method for designing most of today’s physical products. Engineers use CAD to turn 2D sketches into 3D models that they can then test and refine before sending a final version to a production line. But the software is...
Large language models (LLMs) like ChatGPT can write an essay or plan a menu almost instantly. But until recently, it was also easy to stump them. The models, which rely on language patterns to respond to users’ queries, often failed at math problems and were not good...
Jared Isaacman will head back to Capitol Hill early next month. The U.S. Senate's Committee on Commerce, Science and Transportation will hold a hearing on Dec. 3 to consider the nomination of the billionaire tech entrepreneur and private astronaut as NASA chief. The...
SpaceX's Transporter-15 mission is poised to deliver more than 100 spacecraft to Earth orbit. A Falcon 9 rocket will launch Transporter-15 today (Nov. 20) from Vandenberg Space Force Base in California. Liftoff is expected from Vandenberg's Space Launch Complex-4E...
Despite still not being fully operational, the Vera C. Rubin Observatory is already making waves. The observatory, which features the world's biggest and most sensitive digital camera, the 3.2-gigapixel LSSTCam, recently allowed astronomers to discover a stream of...