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Tracking trust with Rust in the kernel

Tracking trust with Rust in the kernel Ready to give LWN a try? With a subscription to LWN, you can stay current with what is happening in the Linux and free-software community and take advantage of subscriber-only site features. We are pleased to offer you a free trial subscription, no credit card required, so that you can see for yourself. Please, join us! The Linux kernel has to handle many different sources of data that should not be trusted: user space, network connections, and removable

Tracking Trust with Rust in the Kernel

Tracking trust with Rust in the kernel Did you know...? LWN.net is a subscriber-supported publication; we rely on subscribers to keep the entire operation going. Please help out by buying a subscription and keeping LWN on the net. The Linux kernel has to handle many different sources of data that should not be trusted: user space, network connections, and removable storage, to name a few. The kernel has to remain secure even if one of these sends garbled (or malicious) data. Benno Lossin has b

Biotech Startup Claims It’s Getting Closer to ‘Resurrecting’ the Extinct Dodo

A version of the dodo bird (Raphus cucullatus) could make a return someday soon. Colossal Biosciences announced this week several milestones in its quest to bring the extinct species back to life. On Wednesday, the Dallas-based company reported that its researchers at the Avian Genetics Group have successfully grown pigeon primordial germ cells (PGCs) in the lab, a scientific first. They also bred gene-edited chickens intended to serve as potential surrogates for the dodo and other ancient bird

Spotify Lossless is an inconvenient improvement

If you listen to music the way a lot of people do these days — with a pair of wireless earbuds, from a Bluetooth speaker, or just blaring directly out of your phone — you will never notice a difference between Spotify’s high-quality 320Kbps streams and its lossless audio. But, if you usually listen with wired headphones while working at your desk, or have a quality speaker from the likes of Bose that supports Spotify Connect, there actually is something to be gained here. Comparing Spotify’s no

Spotify Lossless ‘rolling out gradually’ four years after Apple Music upgraded entire library

In the four years since Apple Music upgraded its entire music catalog to lossless overnight, Spotify has been just around the corner from catching up. Starting today, Spotify is taking the very first steps toward making that actually happen. Premium subscribers will receive a push notification from the Spotify app when lossless support becomes available. So what took so long? Here’s what Spotify says. “The wait is finally over; we’re so excited lossless sound is rolling out to Premium subscrib

Lossless Audio Finally Arrives for Spotify Premium Subscribers. Here's How to Enable It

Lossless audio, a format that Spotify says has been much-requested by subscribers over the years, is finally arriving on the streaming service. In a post, the company says that 24-bit/44.1kHz FLAC audio will now be an option for premium subscribers in select markets "across nearly every song available in Spotify." Subscribers will have the option to adjust music quality as Low, Normal, High, Very High and now Lossless, with the option to see how much data each tier requires. In addition to wo

Spotify lossless streaming is finally here and it's included with a Premium plan

Stop me if you've heard this one before: over a half-decade of rumors, infrequent teases and affirmations that something is on the way, only for fans to impatiently bide their time and the thing to eventually arrive with very little advance warning. No, I'm not talking about Hollow Knight: Silksong this time. Spotify is finally rolling out a lossless option that offers higher-quality music streaming. Best of all, the company is offering it to Premium members at no extra charge. You'll get a not

Spotify's long-awaited lossless music is finally here - how to enable it today

Elyse Betters Picaro / ZDNET Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways Lossless audio is coming to Spotify. Lossless audio offers a more accurate and dynamic sound. The feature is slowly rolling out to all users with a paid plan. In 2021, Spotify teased the idea of a high-fidelity tier (hi-fi tier) that would offer lossless audio quality. Unfortunately, licensing issues caused the plan to be put on the back burner. Also: This new Spotify feature almost ma

Spotify finally rolls out Lossless audio — here’s how to turn it on

Tushar Mehta / Android Authority TL;DR Spotify’s long-awaited lossless audio tier is now gradually rolling out to Premium subscribers. The feature, simply called Lossless, streams in up to 24-bit/44.1 kHz FLAC. It is recommended to stream lossless music on Wi-Fi using either wired headphones or speakers on a non-Bluetooth connection. Spotify announced its “HiFi” lossless tier in February 2021, but the feature never arrived — until now. Literally years after the first announcement, Spotify is

Spotify adds lossless streaming after 8 years of teasing

It’s been a long time coming but Spotify is finally getting lossless audio. Rumors have been circulating about a high-fidelity offering since as early as 2017. In 2021, Spotify claimed it was “coming later this year.” And by May of 2024 it was “almost ready.” So, when rumors started picking up again in June of this year, they were met with skepticism, especially amid announcements over the launch of features nobody was asking for, like direct messaging. Well, it’s here. For real. And there’s so

Spotify is finally launching support for lossless music streaming

Spotify is finally launching high-quality, lossless music streaming support for premium account holders after years of waiting. The company first talked about a hi-fi tier in 2021 — which would offer CD-quality audio –but the plan faced multiple delays, partially due to licensing issues. Last year, CEO Daniel Ek said that the company was in the “early days” of launching lossless streaming support. Over the past few years, reports and code hints in the app suggested that the company was plannin

7 Vitamins That Could Promote Hair Growth and Give You Long Locks

When you brush or wash your hair, it's perfectly normal to lose a few strands, as people naturally lose 50 to 100 hairs per day. However, if you're dealing with something more serious, you may be one of 80 million people in the US affected by hair loss or alopecia, according to the American Academy of Family Physicians. Though hair loss is most commonly a hereditary condition, it can also be caused by underlying health conditions such as a vitamin deficiency. That's why it's important to ensure

Novel hollow-core optical fiber transmits data faster with record low loss

This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: Modeling validation. Credit: Nature Photonics (2025). DOI: 10.1038/s41566-025-01747-5 Despite the modern world relying heavily on digital optical communication, there has not been a significant improvement in the minimum attenuation—a measure of the loss of optical power per kilometer traveled—of optical fibers in a

Topics: db fiber fibers km loss

Novel hollow-core optical fiber transmits data 45% faster with record low loss

This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: Modeling validation. Credit: Nature Photonics (2025). DOI: 10.1038/s41566-025-01747-5 Despite the modern world relying heavily on digital optical communication, there has not been a significant improvement in the minimum attenuation—a measure of the loss of optical power per kilometer traveled—of optical fibers in a

Topics: db fiber fibers km loss

Age Simulation Suit

GERonTologic simulator GERT The age simulation suit GERT offers the opportunity to experience the impairments of older persons even for younger people. The age-related impairments are: ■ opacity of the eye lens ■ narrowing of the visual field ■ high-frequency hearing loss ■ head mobility restrictions ■ joint stiffness ■ loss of strength ■ reduced grip ability ■ reduced coordination skills GERT for only € 1390,‑ / £ 1250,- complete as pictured, plus shipping and VAT if applicable N

C3 AI reports declining revenue, announces new CEO to replace Siebel

The C3.ai logo is seen near a computer motherboard in this illustration taken on Jan. 8, 2024. Shares of the enterprise artificial intelligence company C3 AI fell 14% in extended trading on Wednesday after it announced fiscal first-quarter results and the appointment of Stephen Ehikian as its new CEO. C3 AI reported $70.3 million in revenue for the quarter, down from $87.2 million during the same period last year. The company's GAAP net loss widened to an 86-cent loss from a 50-cent loss a yea

Topics: ai c3 ehikian loss new

An LLM is a lossy encyclopedia

Since I love collecting questionable analogies for LLMs, here's a new one I just came up with: an LLM is a lossy encyclopedia. They have a huge array of facts compressed into them but that compression is lossy (see also Ted Chiang). The key thing is to develop an intuition for questions it can usefully answer vs questions that are at a level of detail where the lossiness matters. This thought sparked by a comment on Hacker News asking why an LLM couldn't "Create a boilerplate Zephyr project sk

Google Has a New Device Protection Program: Here's What to Know About Pixel Care Plus

Thinking about getting the new Google Pixel 10? Google has a new way to protect your new device at a monthly rate with a newly renovated device protection program, Pixel Care Plus, that replaces Google Preferred Care. Pixel Care Plus covers damage from accidents, such as water spills or screen cracks. It also offers unlimited free screen repairs and battery replacements. Additionally, the program covers loss and theft protection with a separate plan. But before you gear up to register your smar

Google Has a New Device Protection Program: Here's What to Know About Pixel Care+

Thinking about getting the new Google Pixel 10? Google has a new way to protect your new device at a monthly rate with a newly renovated device protection program, Pixel Care Plus, that replaces Google Preferred Care. Pixel Care Plus covers damage from accidents, such as water spills or screen cracks. It also offers unlimited free screen repairs and battery replacements. Additionally, the program covers loss and theft protection with a separate plan. But before you gear up to register your smar

A ‘Knight Rider’ Movie Is in the Works From the Creators of ‘Cobra Kai’

The Netflix hit Cobra Kai was the perfect balance of 1980s nostalgia and modern sensibilities. Now, the team behind that show has been tapped to do the same for another popular brand from the decade: Knight Rider. The Hollywood Reporter says that Jon Hurwitz, Hayden Schlossberg, and Josh Heald are in early talks to make a movie based on the hit show, which starred David Hasselhoff as a detective who gets paired with an artificially intelligent car called KITT (which stood for Knight Industries

The Global Car Reckoning Is Here. Far Too Many Auto Companies Don’t Have a Plan

On a drab, overcast March day in Amsterdam in 2022, Stellantis CEO Carlos Tavares took off his face mask and strode onto a makeshift stage to confidently explain to a crowd of journalists and analysts how the company that had recently unified brands as diverse as Fiat, Peugeot, Maserati, Ram, and Opel was going rewrite the rules of the car industry. His tie sat slightly askew and his greying hair needed a trim, the picture of a man far too focused on applying dynamic capitalistic principles to a

Ozempic Users Can Now Workout With Apple Fitness Plus Through New Weight-Loss Partnership

If you're a FuturHealth member, you'll now have a free membership to Apple Fitness Plus as part of your program. It's Apple Fitness Plus’s first direct integration with a personalized GLP-1 weight-loss program. FuturHealth offers personalized weight-loss guidance and medications with the help of licensed dietitians and doctors. These include GLP-1 agonists such as semaglutide -- better known as Ozempic. It's partnered with Valisure, a tech company that provides independent quality assurance, to

CoreWeave tanks 20% after posting wider-than-expected loss ahead of lock-up expiration

CoreWeave 's stock sank 20% after the renter of artificial intelligence data centers reported a bigger-than-expected loss. In its second quarterly financial results as a public company, CoreWeave reported an adjusted loss of 27 cents per share, compared to a loss of 21 cents per share expected by analysts polled by LSEG. CoreWeave's results came as the lock-up period following its initial public offering is set to expire Thursday evening and potentially add volatility to shares. The term refer

CoreWeave stock slumps 20% on wider-than-expected loss ahead of lock-up expiration

CoreWeave 's stock sank 20% after the renter of artificial intelligence data centers reported a bigger-than-expected loss. In its second quarterly financial results as a public company, CoreWeave reported an adjusted loss of 27 cents per share, compared to a loss of 21 cents per share expected by analysts polled by LSEG. CoreWeave's results came as the lock-up period following its initial public offering is set to expire Thursday evening and potentially add volatility to shares. The term refer

CoreWeave stock slumps 18% on wider-than-expected loss ahead of lock-up expiration

CoreWeave 's stock dropped 18% after the renter of artificial intelligence data centers reported a bigger-than-expected loss. In its second quarterly financial results as a public company, CoreWeave reported an adjusted loss of 27 cents per share, compared to a loss of 21 cents per share expected by analysts polled by LSEG. CoreWeave's results came as the lock-up period following its initial public offering is set to expire Thursday evening and potentially add volatility to shares. The term re

CoreWeave stock slumps 14% on wider-than-expected loss ahead of lockup expiration

CoreWeave 's stock dropped 14% after the renter of artificial intelligence data centers reported a bigger-than-expected loss. In its second quarterly financial results as a public company, CoreWeave reported an adjusted loss of 27 cents per share, compared to a 21-cent loss per share expected by analysts polled by LSEG. CoreWeave's results came as the lock-up period following its initial public offering is set to expire Thursday evening and potentially add volatility to shares. The term refers

CoreWeave shares drop even as revenue tops estimates

Mike Intrator, co-founder and CEO of CoreWeave, speaks at the Nasdaq headquarters in New York on March 28, 2025. CoreWeave shares fell about 6% in extended trading on Tuesday even as the provider of artificial intelligence infrastructure beat estimates for second-quarter revenue Here's how the company did in comparison with LSEG consensus: Earnings per share: Loss of 21 cents Loss of 21 cents Revenue: $1.21 billion vs. $1.08 billion expected Revenue more than tripled from $395.4 million a y

C3 AI stock falls 26% as CEO Siebel calls preliminary sales numbers 'completely unacceptable'

The C3.ai logo is seen near a computer motherboard in this illustration taken on Jan. 8, 2024. Shares of the enterprise artificial intelligence company C3 AI closed down nearly 26% on Monday after it announced preliminary financial results and a restructuring of its global sales and services organization. C3 AI said Friday that it expects to report revenue between $70.2 million and $70.4 million for its fiscal first quarter 2026, though those figures are unaudited, preliminary estimates. The c

Apple Fitness Plus Targets Ozempic Users With New Weight-Loss Partnership

If you're a FuturHealth member, you'll now have a free membership to Apple Fitness Plus as part of your program. It's Apple Fitness Plus’s first direct integration with a personalized GLP-1 weight loss program. FuturHealth offers personalized weight loss guidance and medications with the help of licensed dietitians and doctors. These include GLP-1 agonists such as semaglutide -- better known as Ozempic. It's partnered with Valisure, a tech company that provides independent quality assurance, to

C3 AI stock falls 20% as CEO Siebel calls preliminary sales numbers 'completely unacceptable'

The C3.ai logo is seen near a computer motherboard in this illustration taken on Jan. 8, 2024. Shares of the enterprise artificial intelligence company C3 AI tumbled more than 20% Monday after it announced preliminary financial results and a restructuring of its global sales and services organization. C3 AI said Friday that it expects to report revenue between $70.2 million and $70.4 million for its fiscal first quarter 2026, though those figures are unaudited, preliminary estimates. The compa