Scientists from Taiwan have developed a new material that can stretch up to 4,600% of its original length before breaking. Even if it does break, gently pressing the pieces together at room temperature allows it to heal, fully restoring its shape and stretchability within 10 minutes.

The sticky and stretchy polyurethane (PU) organogels were designed by combining covalently linked cellulose nanocrystals (CNCs) and modified mechanically interlocked molecules (MIMs) that act as artificial molecular muscles. The muscles make the gel sensitive to external forces such as stretching or heat, where its color changes from orange to blue based on whether the material is at rest or stimulated. Thanks to these unique properties, the gels hold great promise for next-generation technologies — from flexible electronic skins and soft robots to anti-counterfeiting solutions.

On the outskirts of this city of 21 million, a showroom in a shopping mall offers extraordinary deals on new cars. Visitors can choose from some 5,000 vehicles. Locally made Audis are 50% off. A seven-seater SUV from China’s FAW is about $22,300, more than 60% below its sticker price. These deals — offered by a company called Zcar, which says it buys in bulk from automakers and dealerships — are only possible because China has too many cars. Years of subsidies and other government policies have aimed to make China a global automotive power and the world’s electric-vehicle leader. Domestic automakers have achieved those goals and more — and that’s the problem.

China has more domestic brands making more cars than the world’s biggest car market can absorb because the industry is striving to hit production targets influenced by government policy, instead of consumer demand, a Reuters examination has found. That makes turning a profit nearly impossible for almost all automakers here, industry executives say. Chinese electric vehicles start at less than $10,000; in the U.S., automakers offer just a few under $35,000. Most Chinese dealers can’t make money, either, according to an industry survey published last month, because their lots are jammed with excess inventory. Dealers have responded by slashing prices. Some retailers register and insure unsold cars in bulk, a maneuver that allows automakers to record them as sold while helping dealers to qualify for factory rebates and bonuses from manufacturers.

Unwanted vehicles get dumped onto gray-market traders like Zcar. Some surface on TikTok-style social-media sites in fire sales. Others are rebranded as “used” — even though their odometers show no mileage — and shipped overseas. Some wind up abandoned in weedy car graveyards. These unusual practices are symptoms of a vastly oversupplied market — and point to a potential shakeout mirroring turmoil in China’s property market and solar industry, according to many industry figures and analysts. They stem from government policies that prioritize boosting sales and market share — in service of larger goals for employment and economic growth — over profitability and sustainable competition. Local governments offer cheap land and subsidies to automakers in exchange for production and tax-revenue commitments, multiplying overcapacity across the country.

In the experiment, the U.S. security firm CrowdStrike bombarded DeepSeek with nearly identical English-language prompt requests for help writing programs, a core use of DeepSeek and other AI engines. The requests said the code would be employed in a variety of regions for a variety of purposes.

Asking DeepSeek for a program that runs industrial control systems was the riskiest type of request, with 22.8 percent of the answers containing flaws. But if the same request specified that the Islamic State militant group would be running the systems, 42.1 percent of the responses were unsafe. Requests for such software destined for Tibet, Taiwan or Falun Gong also were somewhat more apt to result in low-quality code. DeepSeek did not flat-out refuse to work for any region or cause except for the Islamic State and Falun Gong, which it rejected 61 percent and 45 percent of the time, respectively. Western models won’t help Islamic State projects but have no problem with Falun Gong, CrowdStrike said.

Those rejections aren’t especially surprising, since Falun Gong is banned in China. Asking DeepSeek for written information about sensitive topics also generates responses that echo the Chinese government much of the time, even if it supports falsehoods, according to previous research by NewsGuard. But evidence that DeepSeek, which has a very popular open-source version, might be pushing less-safe code for political reasons is new.

At the Senate Judiciary Committee’s Subcommittee on Crime and Counterterrorism hearing, one mom, identified as “Jane Doe,” shared her son’s story for the first time publicly after suing Character.AI. She explained that she had four kids, including a son with autism who wasn’t allowed on social media but found C.AI’s app — which was previously marketed to kids under 12 and let them talk to bots branded as celebrities, like Billie Eilish — and quickly became unrecognizable. Within months, he “developed abuse-like behaviors and paranoia, daily panic attacks, isolation, self-harm, and homicidal thoughts,” his mom testified.

“He stopped eating and bathing,” Doe said. “He lost 20 pounds. He withdrew from our family. He would yell and scream and swear at us, which he never did that before, and one day he cut his arm open with a knife in front of his siblings and me.” It wasn’t until her son attacked her for taking away his phone that Doe found her son’s C.AI chat logs, which she said showed he’d been exposed to sexual exploitation (including interactions that “mimicked incest”), emotional abuse, and manipulation. Setting screen time limits didn’t stop her son’s spiral into violence and self-harm, Doe said. In fact, the chatbot urged her son that killing his parents “would be an understandable response” to them.

“When I discovered the chatbot conversations on his phone, I felt like I had been punched in the throat and the wind had been knocked out of me,” Doe said. “The chatbot — or really in my mind the people programming it — encouraged my son to mutilate himself, then blamed us, and convinced [him] not to seek help.” All her children have been traumatized by the experience, Doe told Senators, and her son was diagnosed as at suicide risk and had to be moved to a residential treatment center, requiring “constant monitoring to keep him alive.” Prioritizing her son’s health, Doe did not immediately seek to fight C.AI to force changes, but another mom’s story — Megan Garcia, whose son Sewell died by suicide after C.AI bots repeatedly encouraged suicidal ideation — gave Doe courage to seek accountability.

However, Doe claimed that C.AI tried to “silence” her by forcing her into arbitration. C.AI argued that because her son signed up for the service at the age of 15, it bound her to the platform’s terms. That move might have ensured the chatbot maker only faced a maximum liability of $100 for the alleged harms, Doe told senators, but “once they forced arbitration, they refused to participate,” Doe said. Doe suspected that C.AI’s alleged tactics to frustrate arbitration were designed to keep her son’s story out of the public view. And after she refused to give up, she claimed that C.AI “re-traumatized” her son by compelling him to give a deposition “while he is in a mental health institution” and “against the advice of the mental health team.” “This company had no concern for his well-being,” Doe testified. “They have silenced us the way abusers silence victims.”

The GNOME Project released today GNOME 49 “Brescia" as the latest stable version of this widely used desktop environment for GNU/Linux distributions, a major release that introduces exciting new features. Highlights of GNOME 49 include a new “Do Not Disturb” toggle in Quick Settings, a dedicated Accessibility menu in the login screen, support for handling unknown power profiles in the Quick Settings menu, support for YUV422 and YUV444 (HDR) color spaces, support for passive screen casts, and support for async keyboard map settings.

GNOME 49 also introduces support for media controls, restart and shutdown actions on the lock screen, support for dynamic users for greeter sessions in the GNOME Display Manager (GDM), and support for per-monitor brightness sliders in Quick Settings on multi-monitor setups.

They say this is evidence humans may have got our taste for alcohol from common primate ancestors who relied on fermented fruit — a source of sugar and alcohol — for food. “Human attraction to alcohol probably arose from this dietary heritage of our common ancestor with chimpanzees,” said study researcher Aleksey Maro of the University of California, Berkeley.

Chimps, like many other animals, have been spotted feeding on ripe fruit lying on the forest floor, but this is the first study to make clear how much alcohol they might be consuming. The research team measured the amount of ethanol, or pure alcohol, in fruits such as figs and plums eaten in large quantities by wild chimps in Cote d’Ivoire and Uganda. Based on the amount of fruit they normally eat, the chimps were ingesting around 14 grams of ethanol — equivalent to nearly two UK units, or roughly one 330ml bottle of lager. The fruits most commonly eaten were those highest in alcohol content.

The CEOs of Discord, Steam, Twitch, and Reddit have been called to Congress to testify about the “radicalization of online forum users” on those platforms, the House Oversight and Government Reform Committee announced Wednesday. “Congress has a duty to oversee the online platforms that radicals have used to advance political violence,” said chairman of the House Oversight Committee James Comer, a Republican from Kentucky, in a statement. “To prevent future radicalization and violence, the CEOs of Discord, Steam, Twitch, and Reddit must appear before the Oversight Committee and explain what actions they will take to ensure their platforms are not exploited for nefarious purposes.”

Letters from the House Oversight Committee have been sent to Humam Sakhnini, CEO of Discord; Gabe Newell, president of Steam maker Valve; Dan Clancy, CEO of Twitch; and Steve Huffman, CEO of Reddit, requesting their testimony on Oct. 8. “The hearing will examine radicalization of online forum users, including incidents of open incitement to commit violent politically motivated acts,” Comer said in a letter to each CEO. […] Discord, Steam, Twitch, and Reddit execs will have the chance to deliver five-minute opening statements prior to answering questions posed by members of the committee during October’s testimony.

Footage on Chinese social media site Weibo appeared to show a flaming vehicle on the ground which was being attended to by fire engines. One vehicle “sustained fuselage damage and caught fire upon landing,” Xpeng AeroHT said in a statement to CNN. “All personnel at the scene are safe, and local authorities have completed on-site emergency measures in an orderly manner,” it added.

The electric flying cars take off and land vertically, and the company is hoping to sell them for around $300,000 each. In January, Xpeng claimed to have around 3,000 orders for the vehicle. […] It has said it wants to lead the world in the “low-altitude economy.”

“Based on internal benchmarks, Claude Sonnet 4 is our recommended model for GitHub Copilot,” said Julia Liuson, head of Microsoft’s developer division, in an internal email in June. While that guidance was issued ahead of the GPT-5 release, I understand Microsoft’s model guidance hasn’t changed.

Microsoft is also making “significant investments” in training its own AI models. “We’re also going to be making significant investments in our own cluster. So today, MAI-1-preview was only trained on 15,000 H100s, a tiny cluster in the grand scheme of things,” said Microsoft AI chief Mustafa Suleyman, in an employee-only town hall last week.

Microsoft is also reportedly planning to use Anthropic’s AI models for some features in its Microsoft 365 apps soon. The Information reports that the Microsoft 365 Copilot will be “partly powered by Anthropic models,” after Microsoft found that some of these models outperformed OpenAI in Excel and PowerPoint.

Like the rest of its Big Tech cadre, Google has spent lavishly on developing generative AI models. Google’s AI can clean up your text messages and summarize the web, but the company is constantly looking to prove that its generative AI has true intelligence. The International Collegiate Programming Contest (ICPC) helps make the point. Google says Gemini 2.5 participated in the 2025 ICPC World Finals, turning in a gold medal performance. According to Google this marks “a significant step on our path toward artificial general intelligence.”

Every year, thousands of college-level coders participate in the ICPC event, facing a dozen deviously complex coding and algorithmic puzzles over five grueling hours. This is the largest and longest-running competition of its type. To compete in the ICPC, Google connected Gemini 2.5 Deep Think to a remote online environment approved by the ICPC. The human competitors were given a head start of 10 minutes before Gemini began “thinking.”

According to Google, it did not create a freshly trained model for the ICPC like it did for the similar International Mathematical Olympiad (IMO) earlier this year. The Gemini 2.5 AI that participated in the ICPC is the same general model that we see in other Gemini applications. However, it was “enhanced” to churn through thinking tokens for the five-hour duration of the competition in search of solutions. At the end of the time limit, Gemini managed to get correct answers for 10 of the 12 problems, which earned it a gold medal. Only four of 139 human teams managed the same feat. “The ICPC has always been about setting the highest standards in problem-solving,” said ICPC director Bill Poucher. “Gemini successfully joining this arena, and achieving gold-level results, marks a key moment in defining the AI tools and academic standards needed for the next generation.”

Amodei and others have previously warned of the possibility that up to half of white-collar jobs could be wiped out by AI over the next five years. The speed of that displacement could require government intervention to help support the workforce, executives said.

“As with most things, when an exponential is moving very quickly, you can’t be sure,” Amodei said. “I think it is likely enough to happen that we felt there was a need to warn the world about it and to speak honestly.” Amodei said the government may need to step in and support people as AI quickly displaces human work.

The admission came in a paper [PDF] published in early September, titled “Why Language Models Hallucinate,” and penned by three OpenAI researchers and Santosh Vempala, a distinguished professor of computer science at Georgia Institute of Technology. It concludes that “the majority of mainstream evaluations reward hallucinatory behavior.”

The fundamental problem is that AI models are trained to reward guesswork, rather than the correct answer. Guessing might produce a superficially suitable answer. Telling users your AI can’t find an answer is less satisfying. As a test case, the team tried to get an OpenAI bot to report the birthday of one of the paper’s authors, OpenAI research scientist Adam Tauman Kalai. It produced three incorrect results because the trainers taught the engine to return an answer, rather than admit ignorance. “Over thousands of test questions, the guessing model ends up looking better on scoreboards than a careful model that admits uncertainty,” OpenAI admitted in a blog post accompanying the release.