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A large-scale study tracking more than 27,500 middle-aged and elderly people over roughly nine years has found that poor sleep quality is associated with accelerated brain aging, and chronic inflammation appears to be one of the key mechanisms driving this effect. Researchers at Sweden's Karolinska Institute assessed participants' sleep across five dimensions -- chronotype, duration, insomnia, snoring and daytime sleepiness -- and later scanned their brains using MRI to estimate biological brain age through machine learning models. The results? For every point decrease in healthy sleep score, the gap between brain age and chronological age widened by approximately six months. Those in the poorest sleep category had brains that appeared roughly one year older than their actual age. Night-owl tendencies, sleep duration outside the 7-8 hour sweet spot and snoring were particularly strongly linked to brain aging. The researchers measured low-grade inflammation using biomarkers including C-reactive protein levels and white blood cell counts. Inflammation accounted for more than 10% of the association between poor sleep patterns and brain aging. The glymphatic system, which clears waste from the brain primarily during sleep, may also play a role, the research added.

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Another year wraps up, and with it comes the annual ritual of taking stock. What were the movies, TV shows and books from this year that stood out to you? Not necessarily the ones that dominated conversation or topped charts, but the ones you found yourself recommending to friends, or returning to for a second watch or read. Share your picks and, if you're inclined, a line or two on what made them stick.

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As in past incidents, ESA says the impact was limited to external systems

The European Space Agency has suffered yet another security incident and, in keeping with past practice, says the impact is limited. Meanwhile, miscreants boast that they've made off with a trove of data, including what they claim are confidential documents, credentials, and source code.…

Colossal Biosciences, the Texas-based startup now valued at more than $10 billion that has attracted investments from Paris Hilton, Peter Jackson and Tom Brady, claimed earlier this year to have resurrected the dire wolf -- an animal that disappeared at the end of the last ice age -- but a group of leading canid experts concluded the company had done no such thing. The scientists found that Colossal had made 20 edits to the DNA of grey wolves and the resulting animals did not substantially differ from wolves currently roaming North America. Beth Shapiro, Colossal's own chief scientist, acknowledged to New Scientist: "It's not possible to bring something back that is identical to a species that used to be alive. Our animals are grey wolves with 20 edits that are cloned." Nic Rawlence, director of the palaeogenetics laboratory at the University of Otago in New Zealand, added: "Rather than true de-extinction, Colossal's attempts are genetically engineered poor copies at best, passed off as the real deal." The company has nevertheless pressed forward. It has launched projects to revive the Tasmanian tiger, the dodo, and the moa and plans to unveil its interpretation of the woolly mammoth -- a genetically modified Asian elephant adapted to survive at -40C -- in the coming years. The Trump administration cited the dire wolf announcement while making efforts to cut the US endangered species list, calling de-extinction technology a potential "bedrock for modern species conservation."

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Starting in July 2026, every public school district in California will be required to have policies on the books that restrict or prohibit students from using smartphones during the school day, thanks to Assembly Bill 3216 that Governor Gavin Newsom signed into law back in 2024. The legislation also mandates that districts update these policies every five years. Newsom had previously signed related legislation in 2019, though that earlier law merely affirmed that school districts have the authority to regulate smartphone use rather than requiring them to do so.

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Finnish authorities on Wednesday seized a vessel suspected of severing an undersea telecommunications cable that connects Helsinki to Tallinn by dragging its anchor across the Gulf of Finland, the latest in a string of infrastructure incidents that have put Baltic Sea nations on edge since Russia's 2022 invasion of Ukraine. Police are investigating the case as aggravated criminal damage and have not disclosed the ship's name, nationality or details about its crew. The cable belongs to Finnish telecoms group Elisa. Estonia's justice ministry reported that a second telecoms cable connecting the two countries -- owned by Sweden's Arelion -- also went down on Wednesday. This follows Finland's December 2024 boarding of the Russian-linked oil tanker Eagle S, which investigators said damaged a power cable and multiple telecoms links using the same anchor-dragging method. A Finnish court in October dismissed criminal charges against the Eagle S crew after prosecutors failed to prove intent.

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China's Commerce Ministry on Wednesday demanded that the Netherlands "immediately correct its mistakes" over chipmaker Nexperia, escalating a standoff that has disrupted global semiconductor supply chains and triggered warnings from automakers about component shortages. The Dutch government in September invoked a Cold War-era law to effectively seize control of the Chinese-owned chipmaker, reportedly after the United States raised security concerns. China responded by blocking Nexperia products from leaving the country. Nexperia manufactures billions of foundation chips -- transistors, diodes and power management components -- that are produced in Europe, assembled and tested in China, and then re-exported to customers worldwide. These low-tech, inexpensive chips are essential in almost every device that uses electricity, from car braking systems and airbag controllers to electric windows and entertainment systems. The Commerce Ministry spokesperson said the Netherlands "remains indifferent and stubbornly insists on its own way, showing absolutely no responsible attitude towards the security of the global semiconductor supply chain." Dutch Economy Minister Vincent Karremans has repeatedly defended the intervention. Auto industry groups have warned that disruptions have not been fundamentally resolved. Japan's Nissan and German supplier Bosch have flagged looming shortages, and the German Association of the Automotive Industry warned of elevated supply risks "particularly for the first quarter" of 2026.

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The U.S. has surpassed 2,000 measles cases for the first time in more than 30 years, according to data from the Centers for Disease Control and Prevention. From a report: As of Dec. 23, a total of 2,012 cases have been reported in the U.S. Of those cases, 24 were reported among international visitors to the U.S.

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The world has passed it by in many ways, yet it remains relevant

Feature In the early 1990s, internetworking wonks realized the world was not many years away from running out of Internet Protocol version 4 (IPv4) addresses, the numbers needed to identify any device connected to the public internet. Noting booming interest in the internet, the internet community went looking for ways to avoid an IP address shortage that many feared would harm technology adoption and therefore the global economy.…

Longtime Slashdot reader ptorrone writes: The January 1, 2026, NYC mayoral inauguration prohibits attendees from bringing specific brand-name devices, explicitly banning Raspberry Pi single-board computers and the Flipper Zero, listed alongside weapons, explosives, and drones. Rather than restricting behaviors or capabilities like signal interference or unauthorized transmitters, the policy names two widely used educational and testing tools while allowing smartphones and laptops that are far more capable. Critics argue this device-specific ban creates confusion, encourages selective enforcement, and reflects security theater rather than a clear, capability-based public safety framework. New York has handled large-scale events more pragmatically before.

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El Reg speculates about what GPUzilla really gets out of the deal

This summer, AI chip startup Groq raised $750 million at a valuation of $6.9 billion. Just three months later, Nvidia celebrated the holidays by dropping nearly three times that to license its technology and squirrel away its talent.…

PostNord is ending letter delivery in Denmark after a 90%+ collapse in mail volume. It marks the first known case of a national postal carrier abandoning letters entirely -- a symbolic milestone of a fully digitized society that's sparking nostalgia even among people who stopped sending mail years ago. The New York Times reports: Denmark has had a postal service for more than 400 years. But a steep decline in its use has led the Nordic country's longtime postal carrier to stop letter deliveries entirely, a change taking effect on Tuesday. Danes have seen it coming for months: The carrier, PostNord, has been removing its red mailboxes, once a ubiquitous public fixture. The disappearance of the mailboxes is "what actually made people emotional," said Julia Lahme, a trend researcher and the director of Lahme, a Danish communications agency, "even though most of them hadn't sent a letter in 18 months." Letter writing in the country has declined by more than 90 percent since 2000, according to PostNord, which is owned jointly by the Danish and Swedish governments. Next year, in Denmark, it will only deliver packages, although in Sweden it will continue to deliver letters. The change comes partly as a result of a drop-off in government mail. Denmark is one of the world's most digitized countries. Only 250,000 people, or less than 5 percent of the population, still receive their official communications in the mail. "People simply do not rely on physical letters the way they used to," Andreas Brethvad, the communications director of PostNord Denmark, said in an emailed statement. He said that because nine in 10 Danes shop online each month, the change "is about keeping up with times to meet the demands of society. It's a natural evolution." The report notes that snail mail lovers will still be able to send and receive letters through Dao, a private company. "While some Danes are quietly mourning a service that, for the most part, they had largely stopped using, the transition feels like a sign of the times," reports the Times.

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From COBOL and C to Linux and SQL, the unglamorous software that keeps the world running refuses to disappear

Opinion COBOL turned 66 this year and is still in use today. Major retail and commercial banks continue to run core account processing, ATM networks, credit card clearing, and batch end-of-day settlement. On top of that, many payment networks, stock exchanges, and clearinghouses rely on COBOL for high‑volume, high‑reliability batch and online transaction processing on mainframes.…

Israel has operationally deployed Iron Beam, a 100,000-watt laser air-defense system capable of shooting down drones, rockets, and mortars at negligible per-shot cost. According to Tom's Hardware, it marks the first real-world deployment of a high-energy laser as part of a modern, multi-layered missile defense network. From the report: The Iron Beam is a short-range line-of-sight laser interceptor that is extremely cheap to run and, therefore, perfectly suited for intercepting low-cost, high-volume threats. According to the official Israeli announcement, Iron Beam systems have "successfully intercepted rockets, mortars, and UAVs." A complex mix of government, military, scientific, and commercial interests were responsible for the research and development of the Iron Beam laser system. Central to the Iron Beam are "an advanced laser source and a unique electro-optical targeting system, enabling the interception of a wide range of targets at an enhanced operational range, with maximum precision and superior efficiency," boasted the press release by Israel's MoD. Moreover, it works "at a negligible marginal cost, which constitutes the laser system's primary advantage." We don't get much more by way of technical details, perhaps understandably. However, Rafael Advanced Defense Systems execs heralded the system's "unique adaptive optics technology," in what it calls "the world's most advanced laser-based system for intercepting aerial threats." Its operational debut "marks the beginning of the era of high-energy laser defense," they claimed.

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Funds in ‘Money Safe’ accounts are only available when customers appear for face-to-face verification

Hong Kong’s banks have a new weapon against scams: Accounts that require customers to visit a branch to access their funds.…

An anonymous reader quotes a report from the New York Times: South Africans ... have found a remedy for power cuts that have plagued people in the developing world for years. Thanks to swiftly falling prices of Chinese made solar panels and batteries, they now draw their power from the sun. These aren't the tiny, old-school solar lanterns that once powered a lightbulb or TV in rural communities. Today, solar and battery systems are deployed across a variety of businesses -- auto factories and wineries, gold mines and shopping malls. And they are changing everyday life, trade and industry in Africa's biggest economy. This has happened at startling speed. Solar has risen from almost nothing in 2019 to roughly 10 percent of South Africa's electricity-generating capacity. No longer do South Africans depend entirely on giant coal-burning plants that have defined how people worldwide got their electricity for more than a century. That's forcing the nation's already beleaguered electric utility to rethink its business as revenues evaporate. Joel Nana, a project manager with Sustainable Energy Africa, a Cape Town-based organization, called it "a bottom-up movement" to sidestep a generations-old problem. "The broken system is unreliable electricity, expensive electricity or no electricity at all," he said. "We've been living in this situation forever." What's happening in South Africa is repeating across the continent. Key to this shift: China's ambition to lead the world in clean energy. The report says that more than 7 gigawatts of solar capacity have been installed in South Africa over the past five years -- about 1/10 of the country's total installed capacity (55 GW). And most of this new solar capacity is privately owned and installed by households and businesses rather than utilities. Across the continent, Chinese solar imports rose 50% in the first 10 months of 2025. Cheap Chinese solar is rapidly reshaping Africa's energy landscape from the bottom up but it's also shifting geopolitical influence, hollowing out local manufacturing opportunities, and deepening divides between those who can afford energy independence and those who can't. "The solar surge does little to address the most pressing social and economic problems of developing countries like South Africa, the need to generate new jobs for millions of young citizens," reports the NYT. "Installation labor is local, but the panels and batteries are almost all made in China." Further reading: Why Solarpunk Is Already Happening In Africa

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In an opinion piece for Computerworld, columnist Steven Vaughan-Nichols argues that restrictive visa policies and a hostile border climate under the Trump administration are driving foreign tech workers, researchers, and conference speakers away from the U.S. The result, he says, is a gradual shift of talent, events, and long-term innovation toward more welcoming regions such as Europe, Canada, and Asia. From the report: I go to a lot of tech conferences -- 13 in 2025 -- and many of those I attend are outside the U.S.; several are in London, one is in Amsterdam, another in Paris, and two in Tokyo. Wherever I went this past year, when we weren't talking about AI, Linux, the cloud, or open-source software, the top non-tech topic for non-Americans involved the sweeping changes that have occurred since President Donald J. Trump returned to office last January. The conversations generally ended with something like this: "I'm not taking a job or going to a conference in the United States." Honestly, who can blame them? Under Trump, America now has large "Keep Out!" and "No Trespassing!" signs effectively posted. I've known several top tech people who tried to come to the U.S. for technology shows with proper visas and paperwork, but were still turned away at the border. Who wants to fly for 8+ hours for a conference, only to be refused entry at the last minute, and be forced to fly back? I know many of the leading trade show organizers, and it's not just me who's seeing this. They universally agree that getting people from outside the States to agree to come to the U.S. is increasingly difficult. Many refuse even to try to come. As a result, show managers have begun to close U.S.-based events and are seeking to replace them with shows in Europe, Canada, and Asia. [...] Once upon a time, everyone who was anyone in tech was willing to uproot their lives to come to the U.S. Here, they could make a good living. They could collaborate, publish, and build companies in jurisdictions that welcome them, and meet their peers at conferences. Now, they must run a gauntlet at the U.S. border and neither a green card nor U.S. citizenship guarantees they won't be abused by the federal government. Trump's America seems bound and determined to become a second-rate tech power. His administration can loosen all the restrictions it wants on AI, but without top global talent, U.S. tech prowess will decline. That's not good for America, the tech industry or the larger world.

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Pair became ALPHV affiliates to prey on US-based clients

A ransomware negotiator and a security incident response manager have admitted to running ransomware attacks.…

One-Netbook has unveiled the OneXSugar Wallet, the first gaming handheld with a folding OLED display. The Verge reports: The OneXSugar Wallet was announced on China's Weibo yesterday, but with few details about its features and capabilities. That folding OLED screen has a resolution of 2480 x 1860 pixels, and the handheld will be powered by an unspecified "Qualcomm gaming platform flagship processor," but its performance and emulation capabilities are unknown. Based on photos and a video released by One-Netbook, the OneXSugar Wallet will feature a standard set of controls including asymmetrical thumbsticks, four action buttons, and a D-pad situated on either side of the lower half of its display. There are also shoulder buttons and triggers on the back of the handheld, and a pair of front-facing speakers flanking the top half of the screen. The biggest question is how much will the handheld cost...

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PC Gamer argues that 2025 was a year full of high-profile AI embarrassments across games and entertainment, with Disney and Lucasfilm serving as the "opening salvo." From the report: At a TED talk back in April, Lucasfilm senior vice president of creative innovation Rob Bredow presented a demonstration of what he called "a new era of technology." Across 50 years of legendary innovation in miniature design, practical effects, and computer animation, Lucasfilm and its miracle workers at Industrial Light & Magic have blazed the trail for visual effects in creative storytelling -- and now Bredow was offering a glimpse at what wonders might come next. That glimpse, created over two weeks by an ILM artist, was Star Wars: Field Guide: a two-minute fizzle reel of AI-generated blue lions, tentacled walruses, turtles with alligator heads, and zebra-stripe chimpanzees, all lazily spliced together from the shuffled bits of normal-ass animals. These "aliens" were less Star Wars than they were Barnum & Bailey. It felt like a singular embarrassment: Instead of showing its potential, generative AI just demonstrated how out of touch a major media force had become. And then it kept happening. At the time, I wondered whether evoking the legacy of Lucasfilm just to declare creative bankruptcy had provoked enough disgusted responses to convince Disney to slow its roll on AI ventures. In the months since, however, it's clear that Star Wars: Field Guide wasn't a cautionary tale. It was a mission statement. Disney is boldly, firmly placing its hand on the hot stove. Other embarrassing AI use cases include Fortnite's AI-powered Darth Vader NPC, Activision's use of AI-generated art in what was widely described as the "weakest" Call of Duty launch in years, McDonald's short-lived AI holiday ad, and Disney's $1 billion licensing deal with OpenAI.

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