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From the general-physics department: Dartmouth researchers propose that dark matter originated from massless, light-like particles in the early universe that rapidly condensed into massive particles through a spin-based interaction. Phys.Org reports: [T]he study authors write that their theory is distinct because it can be tested using existing observational data. The extremely low-energy particles they suggest make up dark matter would have a unique signature on the cosmic microwave background, or CMB, the leftover radiation from the Big Bang that fills all of the universe. "Dark matter started its life as near-massless relativistic particles, almost like light," says Robert Caldwell, a professor of physics and astronomy and the paper's senior author. "That's totally antithetical to what dark matter is thought to be -- it is cold lumps that give galaxies their mass," Caldwell says. "Our theory tries to explain how it went from being light to being lumps."
Hot, fast-moving particles dominated the cosmos after the burst of energy known as the Big Bang that scientists believe triggered the universe's expansion 13.7 billion years ago. These particles were similar to photons, the massless particles that are the basic energy, or quanta, of light. It was in this chaos that extremely large numbers of these particles bonded to each other, according to Caldwell and Guanming Liang, the study's first author and a Dartmouth senior. They theorize that these massless particles were pulled together by the opposing directions of their spin, like the attraction between the north and south poles of magnets. As the particles cooled, Caldwell and Liang say, an imbalance in the particles' spins caused their energy to plummet, like steam rapidly cooling into water. The outcome was the cold, heavy particles that scientists think constitute dark matter.
The findings have been published in the journal Physical Review Letters.
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From the ain't-paying-for-that department: A Northeastern University student demanded her tuition money back after discovering her business professor was secretly using AI to create course materials. Ella Stapleton, who graduated this year, grew suspicious when she noticed telltale signs of AI generation in her professor's lecture notes, including a stray ChatGPT citation in the bibliography, recurring typos matching machine outputs, and images showing figures with extra limbs.
"He's telling us not to use it, and then he's using it himself," Stapleton told the New York Times. After filing a formal complaint with Northeastern's business school, Stapleton requested a tuition refund of about $8,000 for the course. The university ultimately rejected her claim. Professor Rick Arrowood acknowledged using ChatGPT, Perplexity AI, and presentation generator Gamma. "In hindsight, I wish I would have looked at it more closely," he said.
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From the we'll-see-about-that department: An anonymous reader shares an opinion piece from The Guardian, written by columnist Emma Brockes: Mark Zuckerberg has gone on a promotional tour to talk up the potential of AI in human relationships. I know; listening to Zuck on friendship is a bit like taking business advice from Bernie Madoff or lessons in sportsmanship from Tonya Harding. But at recent tech conferences and on podcasts, Zuck has been saying he has seen the future and it's one in which the world's "loneliness epidemic" is alleviated by people finding friendship with "a system that knows them well and that kind of understands them in the way that their feed algorithms do." In essence, we'll be friends with AI, instead of people. The missing air quotes around "knows" and "understands" is a distinction we can assume Zuck neither knows nor understands.
This push by the 41-year-old tech leader would be less startling if it weren't for the fact that semi-regularly online now you can find people writing about their relationships with their AI therapist or chatbot and insisting that if it's real to them, then it's real, period. The chatbot is, they will argue, "actively" listening to them. On a podcast with Dwarkesh Patel last month Zuck envisaged a near-future in which "you'll be scrolling through your feed, and there will be content that maybe looks like a Reel to start, but you can talk to it, or interact with it and it talks back." The average American, he said, has fewer than three friends but needs more. Hey presto, a ready solution.
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From the PSA department: The FBI has issued a warning that cybercriminals have started using AI-generated voice deepfakes in phishing attacks impersonating senior U.S. officials. These attacks, involving smishing and vishing tactics, aim to compromise personal accounts and contacts for further social engineering and financial fraud. BleepingComputer reports: "Since April 2025, malicious actors have impersonated senior U.S. officials to target individuals, many of whom are current or former senior U.S. federal or state government officials and their contacts. If you receive a message claiming to be from a senior U.S. official, do not assume it is authentic," the FBI warned. "The malicious actors have sent text messages and AI-generated voice messages -- techniques known as smishing and vishing, respectively -- that claim to come from a senior U.S. official in an effort to establish rapport before gaining access to personal accounts."
The attackers can gain access to the accounts of U.S. officials by sending malicious links disguised as links designed to move the discussion to another messaging platform. By compromising their accounts, the threat actors can gain access to other government officials' contact information. Next, they can use social engineering to impersonate the compromised U.S. officials to steal further sensitive information and trick targeted contacts into transferring funds. Today's PSA follows a March 2021 FBI Private Industry Notification (PIN) [PDF] warning that deepfakes (including AI-generated or manipulated audio, text, images, or video) would likely be widely employed in "cyber and foreign influence operations" after becoming increasingly sophisticated.
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From the put-out-to-pasture department: Microsoft has stopped production of the Surface Laptop Studio 2 and will mark it as end-of-life in June, with no successor currently planned. Tom's Hardware reports: The Surface Laptop Studio 2 is being put out to pasture quietly, much like other devices that the company has sunset. The Surface Studio, a desktop PC that folded down into a creative studio for drawing, was formally discontinued in December without a successor. Microsoft's audio products, the Surface Headphones 2 and Surface Earbuds, have also quietly disappeared.
The Surface Laptop Studio's discontinuance comes at a hazy time for the Surface brand. On the one hand, two new devices -- the Surface Pro 12-inch and Surface Laptop 13-inch -- were just announced and are set to release next week. On the other hand, the lineup lost its champion, former chief Panos Panay, who left Microsoft for Amazon in 2023, reportedly over budget issues and product cancellations. Panay was succeeded by Pavan Davuluri.
Since Panay's departure, the lineup has been cut down to just the Surface Laptop, Surface Pro, and the Surface Go 4, the latter of which is only sold to business customers at the moment. Without the Surface Laptop Studio, Microsoft has removed systems with discrete GPUs from its hardware lineup, potentially alienating creatives and gamers. Prior to the Surface Laptop Studio, Microsoft's powerhouse system was the Surface Book, which combined a tablet with a base featuring a discrete GPU.
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From the what-to-expect department: At its second annual Upfront 2025 event yesterday, Netflix announced that it has created interactive mid-roll ads and pause ads that incorporate generative AI. These new ad formats are expected to roll out in 2026. Ars Technica reports: "[Netflix] members pay as much attention to midroll ads as they do to the shows and movies themselves," Amy Reinhard, president of advertising at Netflix, said. Netflix started testing pause ads in July 2024, per The Verge. Speaking to advertisers, Reinhard claimed that ad subscribers spend 41 hours per month on Netflix on average. The new ad formats follow Netflix's launch of its own in-house advertising platform in the US in April. It had previously debuted the platform in Canada and plans to expand it globally by June, per The Verge.
Netflix considers its advertising business to be in its early stages, meaning customers can expect the firm's ad efforts to continue expanding at a faster rate over the coming years. The company plans to double its advertising revenue in 2025. "The foundations of our ads business are in place, and going forward, the pace of progress will be even faster," Reinhard said today. Further reading: Netflix Says Its Ad Tier Now Has 94 Million Monthly Active Users
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From the honest-mistakes department: An anonymous reader quotes a report from TechCrunch: A lawyer representing Anthropic admitted to using an erroneous citation created by the company's Claude AI chatbot in its ongoing legal battle with music publishers, according to a filing made in a Northern California court on Thursday. Claude hallucinated the citation with "an inaccurate title and inaccurate authors," Anthropic says in the filing, first reported by Bloomberg. Anthropic's lawyers explain that their "manual citation check" did not catch it, nor several other errors that were caused by Claude's hallucinations. Anthropic apologized for the error and called it "an honest citation mistake and not a fabrication of authority." Earlier this week, lawyers representing Universal Music Group and other music publishers accused Anthropic's expert witness -- one of the company's employees, Olivia Chen -- of using Claude to cite fake articles in her testimony. Federal judge, Susan van Keulen, then ordered Anthropic to respond to these allegations. Last week, a California judge slammed a pair of law firms for the undisclosed use of AI after he received a supplemental brief with "numerous false, inaccurate, and misleading legal citations and quotations." The judge imposed $31,000 in sanctions against the law firms and said "no reasonably competent attorney should out-source research and writing" to AI.
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From the cease-and-desist department: An anonymous reader quotes a report from Ars Technica: On Thursday, Telegram announced it had removed two huge black markets estimated to have generated more than $35 billion since 2021 by serving cybercriminals and scammers. Blockchain research firm Elliptic told Reuters that the Chinese-language markets Xinbi Guarantee and Huione Guarantee together were far more lucrative than Silk Road, an illegal drug marketplace that the FBI notoriously seized in 2013, which was valued at about $3.4 billion. Both markets were forced offline on Tuesday, Elliptic reported, and already, Huione Guarantee has confirmed that its market will cease to operate entirely due to the Telegram removal.
The disruption of both markets will be "a big blow for online fraudsters," Elliptic confirmed, cutting them off from a dependable source for "stolen data, money laundering services, and telecoms infrastructure." [...] Elliptic reported that Telegram connected black markets with an audience of a billion users, noting that Telegram tried to remove several Huione Guarantee channels earlier this year, but "the marketplace was ready" with backups and remained online until this week. Wired suggested that Huione Guarantee "operated in plain sight" on Telegram for years. But Telegram suggested it just discovered it. Huione Guarantee is a subsidiary of Huione Group, which was recently sanctioned by the U.S. Treasury for supporting "criminal syndicates who have stolen billions of dollars from Americans." According to Reuters, that included allegedly laundering "at least $37 million in crypto from cyber heists by North Korea and $36 million of crypto from so-called 'pig butchering' scams."
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From the under-control department: Uber's autonomous vehicle chief Andrew Macdonald predicted this week that the company will employ more human drivers in a decade despite aggressively expanding robotaxi operations. Speaking at the Financial Times' Future of the Car conference, Macdonald outlined a "hybrid marketplace" where autonomous vehicles dominate city centers while human drivers serve areas beyond robotaxi coverage, handle airport runs, and respond during extreme weather events.
"I am almost certain that there will be more Uber drivers in 10 years, not less, because I think the world will move from individual car ownership to mobility as a service," Macdonald said. The ride-hailing giant has struck partnerships with Waymo, Volkswagen, Wayve, WeRide, and Pony AI. Robotaxis are already operational in Austin and Phoenix, with CEO Dara Khosrowshahi claiming Waymo vehicles in Austin are busier than "99%" of human drivers.
Sony’s slate of live service PlayStation games continues to crack. The multiplayer heist shooter Fairgame$ has reportedly been delayed after concerns following an external test and the head of the first-party studio making it, Jade Raymond, has left the company.
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