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23 Jul 2026

Slashdot

Four Young Mathematicians Awarded the 2026 Fields Medals

Scientific American reports that the 2026 Fields Medals went to four mathematicians for work ranging from the theory of knots to the motion of fluid: The Fields Medals went to Hong Wang of New York University and France's Institute of Advanced Scientific Studies (IHES), Yu Deng of the University of Chicago, John Pardon of Stony Brook University and Jacob Tsimerman of the University of Toronto. In the awards' 90-year history, Wang is only the third woman to win one, after mathematicians Maryam Mirzakhani and Maryna Viazovska in 2014 and 2022, respectively. Wang and Deng represent the prizes' only Chinese-born recipients besides mathematician Shing-Tung Yau, who won a Fields Medal in 1982. Hong Wang co-proved the three-dimensional Kakeya conjecture, establishing a fundamental limit on how little space is needed to rotate a line through every possible direction. Mathematician Nets Katz called it the field's "holy grail" problem and said the achievement made her "a central figure" in the area. Yu Deng and his collaborators reconciled the microscopic and macroscopic mathematics of fluid motion, proving that equations describing chaotic molecular interactions and large-scale fluid behavior are fundamentally connected. N.Y.U. mathematician Scott Armstrong called it "a truly spectacular, singular result." John Pardon made an early breakthrough in knot theory by proving that certain sequences of knots can have arbitrarily large "distortion," a measure of how difficult they are to traverse. Princeton mathematician David Gabai said the problem had "attracted much interest among mathematicians during the previous 25 years." Jacob Tsimerman and two collaborators proved the Andre-Oort conjecture, giving mathematicians a stronger way to understand special points on complex geometric objects known as Shimura varieties. Collaborator Jonathan Pila described him as "a brilliant mathematician" known for his "brilliance and resourcefulness." Tsimerman has also advanced Hodge theory and hopes pure mathematics can help researchers better understand AI.

Startup Founders Urge Trump Not to Shut Off Chinese Open Weight AI

Nearly 200 Silicon Valley companies, including Proton and Y Combinator, are urging the Trump administration not to block U.S. access to Chinese open-weight AI models or risk crippling the next generation of U.S. startups. Politico reports: On Wednesday, the newly-formed Little Tech Association sent letters to President Donald Trump, Commerce Secretary Howard Lutnick and others in the administration with its appeal, marking the first coordinated effort by Silicon Valley's wider influential startup community to weigh in on one of the Trump administration's most closely watched AI debates. At issue: whether Washington should restrict access to increasingly powerful open-weight -- meaning, AI models whose weights are publicly available -- AI models released by Chinese companies such as Moonshot AI and Alibaba. "American leadership requires two things: world-leading American open-weight models and continued access for U.S. builders to open models already available worldwide," the startup founders wrote in the letter (PDF) obtained by POLITICO, also sent to Office of Science and Technology Policy Director Michael Kratsios. Instead of broad prohibitions, they argue the government should adopt targeted safeguards. And they warn that banning Americans from downloading Chinese open-weight models wouldn't stop their proliferation -- but would weaken U.S. startups. "There'll be hundreds of companies that instantly die," said Suhail Doshi, founder of AI infrastructure startup Particle and a member of the association, which POLITICO first wrote about exclusively, in an interview. "It's great for Anthropic. We're all going to have to spend money on Anthropic." Last week, the Beijing-based AI company "Moonshot" released a massive new model that reset the AI race overnight, immediately vaulting into the top tier of global AI, beating Anthropic's Fable 5 and OpenAI's GPT-5.6 Sol in front-end coding tests. China's Xi Jinping also used his first appearance at China's World AI Conference to promote a vision of low-cost, broadly accessible AI and call for international cooperation rather than technological rivalry.

Researchers Discover First Known Transmissible Cancer In Fish

An anonymous reader quotes a report from CBC News: It's rare that cancerous tumors can spread from one individual to another. But a genetic study suggests that's what's happening with melanoma tumors among catfish in Quebec and the northeastern U.S. The discovery represents the first known transmissible cancer in fish and one of very few transmissible cancers ever found, reported the study published in the journal Nature on Wednesday. Julie Dragon, co-leader of the new study, noted that only three other transmissible cancers have ever been identified so far -- in Tasmanian devils, dogs and shellfish. "These conditions are incredibly rare in nature," she said. "So something has to be happening to allow this to happen." Anglers in Lake Memphremagog, which spans the border between Quebec and Vermont, first reported catching brown bullhead catfish with strange black spots and lumps in 2012. They turned out to be melanoma skin cancer tumors. (Humans can also get this kind of cancer.) Now, about a third of the brown bullheads living in the lake have them. It's not clear how sick the fish become. In some cases, the cancer spreads to other organs, such as the brain or liver. But many fish with lesions seem relatively healthy and some older fish even have them, suggesting they can live with the disease for a time. Because of the sudden appearance of the black lesions in Lake Memphremagog the year after a huge flood caused by post-tropical storm Irene, locals worried they were caused by carcinogens washed into the lake by floodwaters. Tests for carcinogens haven't been conclusive, although a study published in May found higher concentrations of seven metals, including zinc and the carcinogen arsenic, in the skin of fish with the tumors. Researchers suspect the tumors may spread among adult fish during spawning, when crowded fish rub against one another and may be punctured by their spines. "They... swim all over each other and we think it's possible that they poke each other and cells can get into other fish that way," Dragon said, though transmission has not yet been demonstrated.

Ars Technica

AI arms race in line for a reckoning after OpenAI hacking incident

Aggressive training techniques sharpens threat of bad behavior by leading models.

23 Jul 2026 2:45pm GMT

White House report says Trump can usher in a "new golden age" of science

The resulting report is a near-random mixture of grievances and real problems.

23 Jul 2026 11:23am GMT

I wanted a clock that never needed setting. Things escalated.

Sure, maybe your clock has a backup battery, but mine has a deployment pipeline!

23 Jul 2026 11:00am GMT

22 Jul 2026

OSnews

COSMIC DE’s first seven months

Honestly, it feels like only yesterday that System76, Linux OEM and the company behind pop!_OS, announced it was going to develop its own desktop environment, COSMIC. We're about seven months into the more general availability of COSMIC, and the company has put up a nice overview of the various improvements that have already made their way into the code since then. Of course, there's a ton of visual improvements have been made to COSMIC, as well as a slew of new features: improved search, a brand new system monitor, drag and drop for tabs throughout COSMIC, and much more. COSMIC's file manager and terminal have also seen a lot of work, with a ton of new small features and additions to bring them up to par with what people expect form a modern file manager and terminal emulator. There's a ton more listed in the article, so it serves as a nice "while you were away" if you've not been following development.

22 Jul 2026 6:56pm GMT

Codeberg’s programmer user base overwhelmingly votes to ban slopcoded projects from its platform

What happens when programmers get to vote on a complete ban on slopcoded software on their code platform? Members of Codeberg were asked to vote on a proposal to completely ban slopcoded projects from Codeberg, and in what should not be a surprising outcome to anyone not overcome with "AI" hysteria, the vast majority voted in favour of the complete ban: over 70% of Codeberg members voted to ban slopcoded projects entirely (358 in favour, 144 against, 14 abstentions). Of course, this is not a surprising outcome. Stripped down, programming is a form of artistic expression, and programming is no different than writing, painting, composing, or any other artistic endeavour. I think it's safe to say writers, painters, composers, and similar creatives are against "AI", so it's only natural programmers feel the same; poll after poll shows the overwhelming majority of respondents - usually well over 70-80% - are against "AI". The pro-"AI" accounts on OSNews often try to paint my anti-"AI" position as extremist, but in reality, I'm just voicing how 70-80% of people clearly state they feel. I have zero skin in this game, zero outside pressure to please any bosses to get that promotion, zero pressure to conform to avoid getting laid off, zero pressure to not contradict upper-management. I can speak freely, openly, and without fear of retaliation. And as Nikhil Suresh explains in his harrowing from-the-trenches article AI Mania Is Eviscerating Global Decision-Making, that's a massive asset. The vast majority of people - including your friends, family, and co-workers - really hate "AI". You can either accept this, or be left behind.

22 Jul 2026 6:41pm GMT

Building an AmigaOS Development Environment in 2026

If you want to develop an application for AmigaOS 3.x but don't want to deal with real hardware, virtualisation and emulation are your friends. Apropos of nothing, I decided to set up an Amiga development environment. Since figuring things out wasn't straightforward, I wrote down instructions for Linux about how to compile the first program and run it in an emulator. Enjoy! ↫ Daniel Kochmański It's a great guide, easy to follow, and you'll be up and running quickly. The emulator the guide uses - AmiBerry, a fork of WinUAE - contains slopcode, so you may want to consider alternatives. This doesn't change much for the guide though, as whatever tasks you need to do outside and inside AmigaOS itself remain unchanged.

22 Jul 2026 12:36pm GMT