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Subliminal learning: Models transmit behaviors via hidden signals in data

Alex Cloud*1, Minh Le*1, July 22, 2025 James Chua2, Jan Betley2, Anna Sztyber-Betley3, Jacob Hilton4, Samuel Marks5, Owain Evans2,6 *Equal contribution; author order chosen randomly 1Anthropic Fellows Program; 2Truthful AI; 3Warsaw University of Technology; 4Alignment Research Center; 5Anthropic; 6UC Berkeley Anthropic Fellows Program;Truthful AI;Warsaw University of Technology;Alignment Research Center;Anthropic;UC Berkeley tl;dr We study subliminal learning, a surprising phenomenon where lan

‘Dungeons & Dragons’ Is Trying a ‘Stranger Things’ Collab Game Again

Fans of Eddie Munson are having a moment right now between actor Joseph Quinn launching into a marvelous blaze of glory and now a new Stranger Things collab with Dungeons & Dragons. The timing couldn’t be more perfect for more Hellfire Club adventures, and this release promises enough of them to last you at least until Stranger Things season five premieres in November on Netflix. With Stranger Things: Welcome to the Hellfire Club, tabletop enthusiasts can uncover Eddie’s lost campaigns and “tak

Can Cortisol Supplements Reduce Your Stress Levels? Here's What the Experts Say

Cortisol was discovered in the mid-20th century, but in the last year or so, this naturally occurring hormone has entered the limelight of social media. You can find videos on TikTok discussing "cortisol face" with millions of views and several Reddit threads of users trying to regulate their cortisol levels. While cortisol supplements can be the right choice in some situations, it's essential to understand the myriad factors that come into play. To help you understand how this hormone works in

Still Wakes the Deep developer The Chinese Room regains its independence

The Chinese Room, maker of Still Wakes the Deep, has bought back its independence. The studio will continue developing new franchises after splitting from the Sumo Group. The latter said earlier this year that it's pivoting away from original games and toward co-development work. Tencent bought the British studio Sumo for $1.27 billion in 2021. Game Developer reported that VC firm Hiro Capital facilitated the Chinese Room's independence deal. Studio head Ed Daly told the publication on Monday t

Waterfield Magnetic Case review: The most lavish way to carry your Switch 2 around

Engadget has been testing and reviewing consumer tech since 2004. Our stories may include affiliate links; if you buy something through a link, we may earn a commission. Read more about how we evaluate products . Gamers aren't usually known for their sartorial elegance. But that doesn't mean we don't deserve nice things. So after checking out a very utilitarian carrying case for the Switch 2, I wanted to explore the other side of things with a more lavish travel bag. And while Waterfield's Magn

T-Mobile Is Bringing Starlink to Your Phone Tomorrow. See If You’ll Get It For Free

Going off-grid might soon be a thing of the past, as T-Mobile’s partnership with SpaceX’s Starlink satellite internet service gets ready to launch on July 23. The direct-to-cell messaging service, called T-Satellite, will also be available to AT&T and Verizon cellphone customers. T-Mobile says its goal is to "eliminate mobile dead zones for good" by way of 657 Starlink satellites that'll be used exclusively for cellphone service. T-Satellite has been in beta testing since December 2024, with ne

Marine biologist for a day: Ars goes shark tagging

MIAMI—We were beginning to run out of bait, and the sharks weren't cooperating. Everybody aboard the Research Vessel Garvin had come to Miami for the sharks—to catch them, sample them, and tag them, all in the name of science. People who once wanted to be marine biologists, actual marine biologists, shark enthusiasts, the man who literally wrote the book Why Sharks Matter, and various friends and family had spent much of the day sending fish heads set with hooks over the side of the Garvin. But

Democrats are desperately trying to revive the click-to-cancel rule

is a senior policy reporter at The Verge, covering the intersection of Silicon Valley and Capitol Hill. She spent 5 years covering tech policy at CNBC, writing about antitrust, privacy, and content moderation reform. Democratic lawmakers are taking multiple routes to try to revive the Federal Trade Commission’s “click-to-cancel” rule after an appeals court blocked it on procedural grounds right before it was set to take effect. Democrats already introduced legislation earlier this month to cod

Pixel 10 Pro renders bring a hint of color to an otherwise conservative palette

TL;DR A new leak may give us our first look at the colorways of the Pixel 10 Pro. The colorways are said to include Moonstone, Jade, Porcelain, and Obsidian. The colors are a little more muted compared to the leaked colors for the Pixel 10. The Pixel 10 series is set to launch in about a month, but Google has already started providing teasers. The company shared a short video clip of one of the Pro models on the Google Store, revealing what looked to be a new steely gray color. If you’re wond

Subliminal Learning: Models Transmit Behaviors via Hidden Signals in Data

Alex Cloud*1, Minh Le*1, July 22, 2025 James Chua2, Jan Betley2, Anna Sztyber-Betley3, Jacob Hilton4, Samuel Marks5, Owain Evans2,6 *Equal contribution; author order chosen randomly 1Anthropic Fellows Program; 2Truthful AI; 3Warsaw University of Technology; 4Alignment Research Center; 5Anthropic; 6UC Berkeley Anthropic Fellows Program;Truthful AI;Warsaw University of Technology;Alignment Research Center;Anthropic;UC Berkeley tl;dr We study subliminal learning, a surprising phenomenon where lan

Black Sabbath's Ozzy Osbourne dies aged 76

'What a lovely goodbye concert he had', Rolling Stones' Ronnie Wood says Rolling Stones' Ronnie Wood says he is "so very sad to hear of the death of Ozzy Osbourne". "What a lovely goodbye concert he had at Back to the Beginning in Birmingham." As we've reported, Osbourne performed his final gig in his hometown on 5 July. Tributes to Ozzy Osbourne are coming in thick and fast, stay with us for the latest.

Struggling to Cancel Your Subscriptions? Try These 3 Workarounds

The "Click-to-Cancel" rule would have made it as easy to cancel a subscription as it is to sign up. Cole Kan/CNET The Federal Trade Commission's "Click-to-Cancel" rule has been blocked. The rule would have made it easy to cancel unwanted subscriptions. However, the US Eighth Circuit Court of Appeals blocked the rule earlier this month because the FTC failed to conduct a preliminary regulatory analysis, which is required for rules that could impact the US economy by more than $1 million. "Whil

Apple releases developer beta 4 for visionOS 26

Two weeks after releasing the third batch of developer betas for the operating systems announced during WWDC25, Apple has released the fourth batch, including for visionOS 26. Here’s what’s new. The build number for today’s visionOS 26 beta 4 release is 23M5300g. If you want to enroll in the developer beta program for Apple Vision Pro, here’s what you’ve got to do: Open the Settings app Choose “General” Choose “Software Update” Select “Beta Updates” Select “visionOS Developer Beta” What’s ne

Supermassive Games is delaying Directive 8020 and laying off staff

Supermassive Games, the developer behind story-driven games like Until Dawn, The Quarry and The Dark Pictures Anthology, is cutting its workforce due to the ongoing "challenging" state of the games industry. The studio says it’s having to adapt its team structure and as a consequence expects to lose up to 36 employees. The current size of the Supermassive’s staff is unclear, but in February last year it cut somewhere in the region of 90 jobs, at which time Bloomberg estimated the studio had mor

The viral Toniebox is exactly what both kids and parents want from a smart device

Maria Diaz/ZDNET My kid had been asking for a Toniebox for two years, but I always talked her out of it. I'm no Grinch, but each set basic starter kit is $100. Then we finally got one during a Prime Day sales event. Testing a Toniebox has not only convinced me that it's perfect for my kids and worth every penny, but it's such a great device that I'd recommend it to any parent of young children. Here's why. Also: I ditched my Bluetooth speakers for this slick turntable - and it's more practical

Better Auth (YC X25) Is Hiring

About us We’re a tiny group of engineers on a mission to democratize high‑quality authentication and to make auth something every developer can truly own. Our open‑source framework is already one of the fastest‑growing auth solutions in the world. It’s trusted by thousands of developers and rapidly adopted by startups and YC companies alike. We’ve grown our community and impact faster than our team and now we’re looking to align the two quickly. What you’ll work on here Collaborating across

Gemini North Discovers Long-Predicted Stellar Companion of Betelgeuse

noirlab2523es — Comunicado científico El telescopio de Gemini Norte descubre compañera estelar de Betelgeuse El telescopio ubicado en Hawai‘i reveló la nunca antes vista compañera de esta conocida estrella, resolviendo un milenario misterio × Un equipo de astrónomos descubrió una estrella compañera girando alrededor de Betelgeuse en una órbita extremadamente estrecha, gracias al instrumento Alopeke de la NASA y de la Fundación Nacional de Ciencias de Estados Unidos, que se encuentra instalad

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Facts don't change minds, structure does

In 1633, Galileo Galilei stood before the Inquisition, not for inventing a radical new theory, but for proposing a straightforward idea: that the Earth moves around the Sun. This wasn’t even a new suggestion—Greek astronomers like Aristarchus had floated the heliocentric model centuries earlier. But in Galileo’s time, the idea ran into an insurmountable obstacle. We often chalk up the Church’s resistance to superstition or ignorance. While that played a role, there was something deeper at work.

I Tasted Dozens and Found the Cheapest and Best Meal Kits and Services

Most prepared meals either arrive frozen or can be frozen after unboxing. That means it's less of an issue if you order too many meals on your first go around. Most services allow you to change the number of meals or servings in your plan even after you've started. With almost every service, the more meals or servings you order per delivery, the cheaper it becomes per meal. You'll want to decide exactly how much food makes sense for your household. If you can't imagine yourself cooking more tha

Pixel 10 Pro looks a lot like the base model in leaked renders

is a news editor with over a decade’s experience in journalism. He previously worked at Android Police and Tech Advisor. After sharing the first official leaked renders of the Pixel 10 yesterday, today Android Headlines has shared images of the 10 Pro too. It looks almost identical to the base model, but will apparently launch in a more muted set of colors. Android Headlines reports that the black and white finishes are the familiar “Obsidian” and “Porcelain” that Google has used before. The g

Microsoft’s new Intel-powered Surface Laptop 5G arrives in August

is a senior editor and author of Notepad , who has been covering all things Microsoft, PC, and tech for over 20 years. Microsoft announced a new 5G version of its Surface Laptop today, which will start shipping on August 26th starting at $1,799.99. The Surface Laptop 5G is powered by Intel’s Core Ultra Series 2 processors, complete with an NPU capable of providing access to Microsoft’s latest Copilot Plus AI features. The Surface Laptop 5G is very similar to the existing 13.8-inch Surface Lapt

Fantastic Four: First Steps’ greatest superpower is its gorgeous visuals

is a reporter focusing on film, TV, and pop culture. Before The Verge, he wrote about comic books, labor, race, and more at io9 and Gizmodo for almost five years. When Disney acquired 21st Century Fox in 2019, you could see flashes of the studio’s plan to further expand the Marvel Cinematic Universe. After years of Marvel Studios building up the Avengers, the Fox deal put the company in a position to start telling stories about the characters who ushered in the modern superhero movie frenzy, li

OneXSugar: Playing with the first dual-screen transforming handheld

is a senior editor and founding member of The Verge who covers gadgets, games, and toys. He spent 15 years editing the likes of CNET, Gizmodo, and Engadget. I can’t believe they’re actually making these, was my very first thought, as I powered on a working prototype of the OneXSugar Sugar 1. This week, One-Netbook is crowdfunding a gaming handheld on Indiegogo like none I’ve ever touched before. It’s got two OLED touchscreens, two power buttons, two sets of volume controls, and two hinged rota

Elgato's new Game Capture 4K S is Switch 2 compatible

Elgato’s latest capture card supports 4K at 60 fps to capture rich in‑game imagery in all its glory. The Game Capture 4K S works with just about any modern console, PC or handheld gaming device, including the Switch 2. Retailing for $160, this is the CORSAIR subsidiary’s best value yet for capturing in 4K. Elgato's higher-end 4K X supports 4K capture at 144 fps but costs quite a bit more. Though a more affordable model, the 4K S doesn't skimp where it matters. The new capture card features zero

Why Facts Don't Change Minds–Structure Does (A Systems Analysis of Belief)

In 1633, Galileo Galilei stood before the Inquisition, not for inventing a radical new theory, but for proposing a straightforward idea: that the Earth moves around the Sun. This wasn’t even a new suggestion—Greek astronomers like Aristarchus had floated the heliocentric model centuries earlier. But in Galileo’s time, the idea ran into an insurmountable obstacle. We often chalk up the Church’s resistance to superstition or ignorance. While that played a role, there was something deeper at work.

Leak strongly hints that a cheaper Nothing phone is on the way

C. Scott Brown / Android Authority TL;DR Nothing may be planning a new “Lite” or “T” branded phone. The move could extend Nothing’s reach into the budget segment below the Phone 3a series. Xiaomi and OnePlus have used similar naming strategies to compete in the budget space. Nothing may be looking to broaden its smartphone range with the addition of more affordable models. The company has so far focused on flagship and mid-range devices, but that strategy could be evolving. According to rel

Loot season 3 gets release date on Apple TV+

Apple TV+ keeps getting even better for comedy lovers, and shows no signs of slowing. The latest: Maya Rudolph’s Loot just got a season 3 release date. Apple TV+ comedy streak looks set to continue with Loot It’s a good time for comedies at Apple TV+. Following the hit The Studio earlier this year, more recently: Owen Wilson’s Stick is finishing its first season very strong Seth Rogen’s Platonic is almost back and looks better than ever Ted Lasso season 4 is officially in production And no

Dell's XPS 13 is one of the best laptops I've tested this year - here's why

Dell XPS 13 Copilot+ PC Laptop ZDNET's key takeaways Dell's XPS 13 Copilot+ PC is available for $1,499. It remains a favorite from Dell's lineup for its sleek build, gorgeous display, and impressive battery life. The two USB-C ports are limiting, and the bold design choices aren't for everyone. View now at Best Buy Dell continues to round out its popular XPS line of laptops with machines that attempt to check the boxes for every use case. The latest addition: the XPS 13 (9345): an ultraportab

Killing the Mauna Loa observatory over irrefutable evidence of increasing CO2

Column When you don't like the message, what do you do? You shoot the messenger, of course. That's the strategy being employed by U.S. President Donald Trump's administration as it works to avoid, ignore, or bury data that prove the reality of anthropogenic global warming and its evil twin climate change. Case in point: The Trump administration recently released its draft budget [PDF] for the country's premier analytical agency focused on Earth systems, the National Oceanic and Atmospheric Adm

We Might Have Been Wrong About Where Spiders Came From

Technically speaking, every living thing on Earth can trace its origins to the sea. Some of these earliest creatures crawled onto land, evolving to become many different kinds of animals and insects—including, scientists believed for a long time, spiders and their relatives. A new study published today in Current Biology challenges the popular conception that spiders first emerged on land, instead suggesting that these arachnids and their relatives originated and evolved in the ocean. The team