One of the longest-standing mysteries about Mars has been the presence of dark and light streaks on the rolling hills surrounding Olympus Mons. This week's image, from the European Space Agency, shows some of these streaks captured last October.

This massive mountain rises about 22 km above the surface of Mars, more than twice as high as Mount Everest on Earth. It is bordered by hummocky deposits, called aureoles, that were formed by landslides from the mountain. A striking feature of these aureoles is the periodic appearance of bright and dark streaks—sometimes for days and sometimes for years.

For decades, scientists have wondered what they might be.

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Biotechnology company Regeneron will acquire 23andMe out of bankruptcy for $256 million, with a plan to keep the DNA-testing company running without interruption and uphold its privacy protection promises.

In its announcement of the acquisition , Regeneron assured 23andMe's 15 million customers that their data—including genetic and health information, genealogy, and other sensitive personal information—would be safe and in good hands. Regeneron aims to use the large trove of genetic data to further its own work using genetics to develop medical advances—something 23andMe tried and failed to do.

"As a world leader in human genetics, Regeneron Genetics Center is committed to and has a proven track record of safeguarding the genetic data of people across the globe, and, with their consent, using this data to pursue discoveries that benefit science and society," Aris Baras, senior vice president and head of the Regeneron Genetics Center, said in a statement. "We assure 23andMe customers that we are committed to protecting the 23andMe dataset with our high standards of data privacy, security, and ethical oversight and will advance its full potential to improve human health."

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A generation ago, when former NASA administrator Dan Goldin promoted the mantra of a "faster, better, cheaper" approach to the agency's science missions, critics often joked that NASA could only pick two.

That's no longer the case. NASA is finding success in its partnerships with commercial space companies, especially SpaceX, with lower costs, quicker results, and improved performance.

The Space Force and the National Reconnaissance Office, the US government's spy satellite agency, are also capitalizing on new products and services from commercial industry. In many cases, these new capabilities come from venture-backed startups already developing and operating satellites for commercial use.

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On Monday, SAG-AFTRA filed an unfair labor practice charge with the National Labor Relations Board against Epic subsidiary Llama Productions for implementing an AI-generated Darth Vader voice in Fortnite on Friday without first notifying or bargaining with the union, as their contract requires.

Llama Productions is the official signatory to SAG-AFTRA's collective bargaining agreement for Fortnite , making it legally responsible for adhering to the union's terms regarding the employment of voice actors and other performers.

"We celebrate the right of our members and their estates to control the use of their digital replicas and welcome the use of new technologies," SAG-AFTRA stated in a news release. "However, we must protect our right to bargain terms and conditions around uses of voice that replace the work of our members, including those who previously did the work of matching Darth Vader's iconic rhythm and tone in video games."

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Last year, Google open-sourced its SynthID AI watermarking system , allowing other developers access to a toolkit for imperceptibly marking content as AI-generated. Now, Google is rolling out a web-based portal to let people easily test if a piece of media has been watermarked with SynthID.

After uploading a piece of media to the SynthID Detector, users will get back results that "highlight which parts of the content are more likely to have been watermarked," Google said. That watermarked, AI-generated content should remain detectable by the portal "even when the content is shared or undergoes a range of transformations," the company said.

The detector will be available to beta testers starting today, and Google says journalists, media professionals, and researchers can apply for a waitlist to get access themselves. To start, users will be able to upload images and audio to the portal for verification, but Google says video and text detection will be added in the coming weeks.

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After dragging its feet for years, America is finally taking its first big step toward shielding victims of non-consensual intimate imagery (NCII)—also known as revenge porn—from constantly being retraumatized online.

On Monday afternoon, Donald Trump is scheduled to sign the Take It Down Act into law. That means that within one year, every online platform will be required to remove both actual NCII and fake nudes generated by artificial intelligence within 48 hours of victims' reports or face steep penalties.

Supporters have touted the 48-hour timeline as remarkably fast, empowering victims to promptly stop revenge porn from spreading widely online. The law's passing comes at a time when AI-generated revenge porn is increasingly harming a wider pool of victims—including some who may have never shared a compromising photo, like dozens of kids in middle and high schools nationwide. Acknowledging the substantial harm to kids already, the law includes steeper penalties for NCII targeting minor victims, a threat lawmakers hope will help minors get harmful images removed "as soon as possible."

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Microsoft's Windows Subsystem for Linux has become an important tool for developers and power users since it was introduced in the Windows 10 Anniversary Update back in 2016, giving them access to a built-in Linux command line and Linux applications from within Windows.

The company has steadily improved WSL since then , improving performance, making it easier to install and use, and adding features like GPU and audio support. But today as part of its Build developer conference, Microsoft announced that it would be making almost all of WSL open source , closing the very first issue that the then-new WSL project attracted on Github in 2016.

"WSL could never have been what it is today without its community," writes Microsoft Senior Software Engineer Pierre Boulay in the company's blog post. "We’ve seen how much the community has contributed to WSL without access to the source code, and we can’t wait to see how WSL will evolve now that the community can make direct code contributions to the project."

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It's shaping up to be a big year for telecom mergers, and it appears the Federal Communications Commission is eager to approve the deals—as long as companies involved drop any DEI (Diversity, Equity, and Inclusion) policies criticized by FCC Chairman Brendan Carr. Verizon just got a big merger approved, and cable giant Charter is seeking permission to buy Cox.

The FCC on Friday announced approval of Verizon's purchase of Frontier, one day after Verizon committed to end DEI policies in a filing with the commission. Carr previously sent letters to Verizon and other companies alleging that their diversity policies are "invidious forms of discrimination" that violate federal law and threatened to block mergers pursued by firms that enforce such policies.

"Verizon has now agreed to end its DEI policies as specified in a new FCC filing," Carr wrote in a post on X . "These changes are effective immediately. A good step forward for equal opportunity, nondiscrimination, and the public interest."

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Formula 1's busy 2025 schedule saw the sport return to its European heartland this past weekend. Italy has two races on the calendar this year, and this was the first, the (deep breath) "Formula 1 AWS Gran Premio Del Made in Italy e Dell'Emilia-Romagna," which took place at the scenic and historic (another deep breath) Autodromo Enzo e Dino Ferrari, better known as Imola. It's another of F1's old-school circuits where overtaking is far from easy, particularly when the grid is as closely matched as it is. But Sunday's race was no snoozer, and for a couple of teams, there was a welcome change in form.

Red Bull was one. The team has looked a bit shambolic at times this season, with some wondering whether this change in form was the result of a number high-profile staff departures toward the end of last season. Things looked pretty bleak during the first of three qualifying sessions, when Yuki Tsunoda got too aggressive with a curb and, rather than finding lap time, found himself in a violent crash that tore all four corners off the car and relegated him to starting the race last from the pit lane.

2025 has also been trying for Ferrari. Italy expects a lot from the red team, and the replacement of Mattia Binotto with Frédéric Vasseur as team principal was supposed to result in Maranello challenging for championships. Signing Lewis Hamilton, a bona fide superstar with seven titles already on his CV, hasn't exactly reduced the amount of pressure on Scuderia Ferrari, either.

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