Anxiety, depression, eating disorders, and death. These can be the consequences for vulnerable kids who get addicted to social media, according to more than 1,000 personal injury lawsuits that seek to punish Meta and other platforms for allegedly prioritizing profits while downplaying child safety risks for years.

Social media companies have faced scrutiny before, with Congressional hearings forcing CEOs to apologize , but until now, they've never had to convince a jury that they aren't liable for harming kids.

This week, the first high-profile lawsuit—considered a "bellwether" case that could set meaningful precedent in the hundreds of other complaints—goes to trial. That lawsuit documents the case of a 19-year-old, K.G.M, who hopes the jury will agree that Meta and YouTube caused psychological harm by designing features like infinite scroll and autoplay to push her down a path that she alleged triggered depression, anxiety, self-harm, and suicidality.

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Large swathes of the US were blanketed in snow and ice over the weekend, and what better way to spend a snow day than going down a YouTube rabbit hole? Everyone has their favorite oddity: ASMR , jazzy pop song covers , cooking channels , or what have you. But DIY enthusiasts in particular are missing out if they're not watching Drain Cleaning Australia , featuring an Australian plumber known only as Bruce as he goes about his daily business of shooting high-powered water jets into stubborn clogged drainage systems. It's "the YouTube channel you never knew you needed." And it's done so well that he's now launched a second channel, Bruce the Plumber .

I stumbled upon the Drain Cleaning Australia channel via Amy Poehler 's Good Hang podcast episode with Kate McKinnon, who is a big fan and does a dead-on delivery of Bruce's trademark lines ("You little rippah!"). Bruce never appears in his videos, apart from his hands and the occasional shadow as he films various challenging jobs with his intrepid smartphone. He seems to have struck a good balance between online popularity and protecting his personal privacy. (Bruce did not respond to our interview request. It's okay, mate, we know all those drains Down Under aren't going to unclog themselves.)

Armed with his trusty collection of jet nozzles and "Mister Plungey," Bruce has removed all manner of nasty things from drains over the years: masses of human hair from shower drains; tree roots ; plastic bags and other refuse that somehow found their way into drainage systems ; and the less said about the many clogged toilets , the better.

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It can be hard sometimes to keep up with the deluge of generative AI in Google products. Even if you try to avoid it all, there are some features that still manage to get in your face. Case in point: AI Overviews. This AI-powered search experience has a reputation for getting things wrong, but you may notice some improvements soon. Google says AI Overviews is being upgraded to the latest Gemini 3 models with a more conversational bent.

In just the last year, Google has radically expanded the number of searches on which you get an AI Overview at the top. Today, the chatbot will almost always have an answer for your query, which has relied mostly on models in Google's Gemini 2.5 family. There was nothing wrong with Gemini 2.5 as generative AI models go, but Gemini 3 is a little better by every metric.

There are, of course, multiple flavors of Gemini 3, and Google doesn't like to be specific about which ones appear in your searches. What Google does say is that AI Overviews chooses the right model for the job. So if you're searching for something simple for which there are a lot of valid sources, AI Overviews may manifest something like Gemini 3 Flash without running through a ton of reasoning tokens. For a complex "long tail" query, it could step up the thinking or move to Gemini 3 Pro (for paying subscribers).

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Volvo provided flights from Austin, Texas, to Stockholm, Sweden, and accommodation so Ars could learn about its new seatbelt. Ars does not accept paid editorial content.

With the launch of its all-new, all-electric EX60 , Volvo has put lessons learned from the EX30 and EX90 to use. The EX60 is built on Volvo’s new SPA3 platform, made only for battery-electric vehicles. It boasts up to 400 miles (643 km) of range, with fast-charging capabilities Volvo says add 173 miles (278 km) in 10 minutes. Mega casting reduces the number of parts of the rear floor from 100-plus to one piece crafted of aluminum alloy, reducing complexities and weld points.

Inside the cabin, however, the real achievement is Volvo’s new multi-adaptive safety belt. Volvo has a history with the modern three-point safety belt, which was perfected by in-house engineer Nils Bohlin in 1959 before the patent was shared with the world. Today at the Volvo Cars Safety Center lab, at least one brand-new Volvo is crashed every day in the name of science. The goal: to test not just how well its vehicles are protecting passengers but what the next frontier is in safety technology.

Senior Safety Technical Leader Mikael Ljung Aust is a driving behavior specialist with 20 years under his belt at Volvo. He says it’s easy to optimize testing toward one person or one test point and come up with a good result. However, both from the behavioral perspective and from physics, people are different. What’s not different, he points out, is how people drive.

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When Apple stops supporting older iPhones and iPads with the latest version of iOS or iPadOS, it usually isn't the end of the line—Apple keeps releasing new security-only patches for those devices for another year or two, keeping them usable while their hardware is still reasonably capable.

Once those updates dry up, it's rare for Apple to revisit those older operating systems, but the company does sometimes make exceptions. That was the case yesterday, when the company released a batch of updates for long-retired iOS and iPadOS versions that otherwise hadn't seen a new patch in months or years. Those updates include iOS 12.5.8, available for devices as old as 2013's iPhone 5S and 2014's iPhone 6; iOS 15.8.6, available for devices like the iPhone 6S, iPhone 7, and iPad Air 2; and iOS 16.7.13, available for devices like the iPhone 8 and iPhone X.

Both iOS 15 and iOS 16 were last patched in mid-2025, but iOS 12's last patch was released in January of 2023.

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Gen. Michael Guetlein, the senior officer in charge of the US military's planned Golden Dome missile defense shield, has laid out an audacious schedule for deploying a network of space-based sensors and interceptors by the end of President Donald Trump's term in the White House.

The three-year timeline is aggressive, with little margin for error in the event of budget or technological setbacks. The shield is designed to defend the US homeland against a range of long-range weapons, including Intercontinental Ballistic Missiles (ICBMs), cruise missiles, and newer threats like hypersonic weapons and drones.

"By the summer of '28, we will be able to defend the entire nation against ballistic missiles, as well as other generation aerial threats, and we will continue to grow that architecture through 2035," Guetlein said Friday in a presentation to representatives from the US defense industry.

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IMSA provided accommodation so Ars could attend its symposium and the Rolex 24. Ars does not accept paid editorial content.

DAYTONA BEACH, Fla.—The annual 24 hour race that kicks off the American racing season took place this past weekend at Daytona International Speedway. Each year, the crowd gets bigger and bigger, drawn in large part by the hybrid prototypes that contest the GTP class for overall victory. After Formula 1, these are some of the most complex, sophisticated race cars ever to turn a wheel—and it doesn't hurt that they look extremely cool too. But yet again, endurance racing wants to offer more than just entertainment.

A large number of automotive technologies or safety features that we mostly take for granted today made their way into road cars from the race track . Seatbelts, rear view mirrors, turbocharged engines, aerodynamics, direct-injection engines, dual-clutch gearboxes, and more owe their existence to competition. Although, truth be told, direct examples of racing technology transfer in the mid-21st century seem less common than the intangible benefits gained when a bunch of motorsports-trained engineers have lunch every day with their road car colleagues.

That is starting to change, though, but now the domain is in simulation. Vast amounts of data are generated during the course of a race—each of the 11 GTP cars that raced at Daytona collects 1,600 different channels of data from onboard sensors, with nearly as many on the GTD machines that are based on road-going cars like Porsche's 911 or Chevrolet's Corvette. With 60 cars running for 24 hours—and that's just the first race of the year—that's a heck of a lot of high-quality data being generated, and now IMSA wants to leverage that to help automotive and technology companies develop better simulation tools, with the creation of IMSA Labs.

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For close to a century, geoscientists have pondered a mystery: Where did Earth’s lighter elements go? Compared to amounts in the Sun and in some meteorites, Earth has less hydrogen, carbon, nitrogen, and sulfur, as well as noble gases like helium—in some cases, more than 99 percent less.

Some of the disparity is explained by losses to the solar system as our planet formed. But researchers have long suspected that something else was going on too.

Recently, a team of scientists reported a possible explanation—that the elements are hiding deep in the solid inner core of Earth. At its super-high pressure—360 gigapascals, 3.6 million times atmospheric pressure—the iron there behaves strangely, becoming an electride: a little-known form of the metal that can suck up lighter elements.

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A company that seeks to disrupt the way in which data from space is received and transmitted has found some key investors and customers.

On Tuesday morning Northwood Space announced that it has closed a $100 million Series B round of funding to support a rapid ramp-up in the deployment of its phased-array radar system, known as Portal. The company also said it has received a $49.8 million contract from the US Space Force to augment the Satellite Control Network, which provides telemetry and tracking for the military's satellites.

"We made our last fundraise announcement in April of 2025, so less than a year, but there's been a lot of activity and progress on the Northwood side that reflects the importance of ground as an enabler for pushing forward more capable missions on shorter timelines," said Bridgit Mendler, co-founder and CEO of Northwood, during a media roundtable. "That's why we're here, that's why we're building what we're building, is because we believe that there's a lot of important capability in space that needs to be built faster, and the way to do that is through a vertically integrated ground network."

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