Google is planning big changes for Android in 2026 aimed at combating malware across the entire device ecosystem. Starting in September, Google will begin restricting application sideloading with its developer verification program, but not everyone is on board. Android Ecosystem President Sameer Samat tells Ars that the company has been listening to feedback, and the result is the newly unveiled advanced flow, which will allow power users to skip app verification.

With its new limits on sideloading, Android phones will only install apps that come from verified developers. To verify, devs releasing apps outside of Google Play will have to provide identification, upload a copy of their signing keys, and pay a $25 fee. It all seems rather onerous for people who just want to make apps without Google's intervention.

Apps that come from unverified developers won't be installable on Android phones—unless you use the new advanced flow , which will be buried in the developer settings.

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Apple's MacBook Neo is impressive for its $600 price, but its A18 Pro processor is one of its biggest compromises compared to a modern MacBook Air— in our review , we found it was more than up to basic computing tasks, but for demanding workloads that benefit from more CPU and GPU cores and RAM, the Air is a better choice.

But those limited computing resources are still enough to run Windows on your Mac using the Parallels Desktop virtualization software— so says Parallels itself , which after some testing and benchmarking has declared the Neo suitable for "lightweight computing and everyday productivity, document editing, and web-based apps" while running Windows 11.

Parallels says the MacBook Neo's respectable single-core CPU performance keeps the Neo feeling "quick and responsive" when running multiple Windows-only software packages, including QuickBooks Desktop and other accounting apps, Microsoft Office, "light engineering and data tools" including AutoCAD LT and MATLAB, and "Windows-only courseware and education software" with "no Mac equivalent." In Parallels' testing, the Neo's single-core CPU performance in Windows was still roughly 20 percent faster compared to a Core Ultra 5 235U chip in a Dell Pro 14 laptop.

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For decades now, Counter-Strike players have gotten used to tapping the reload button whenever they have a spare, safe moment. Yesterday evening, though, Valve announced that it had decided this system needed "higher stakes," overhauling Counter-Strike 2 's reload mechanic in a way that could disrupt years of muscle memory for millions of players.

Until now, reloading in CS2 has meant dumping the remainder of your current clip "back into an essentially endless reserve supply," Valve wrote in the game's latest update announcement . From now on, hitting the reload button will instead make players "drop the used magazine and discard all of its remaining ammo. Instead of 'topping off' your weapon with a few bullets, a new full magazine will be taken from the reserves whenever you reload."

While most weapons will now come with three full clips of reserve ammo, Valve wrote that "some weapons will have less to reward efficiency and precision, or more to encourage spamming through walls and smokes." Counter-Strike specialist Thour did the math on the changes and found that 7 weapons gained ammo, 16 lost ammo, and 12 saw their total ammo remain unchanged under this new system. Shotguns seem to have seen the biggest upgrades, while strategies that rely on "pistol spam" might have to be rethought from now on.

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People in North America adopted the bow and arrow as replacement weapons for the dart and atlatl about 1,400 years ago, according to a new paper published in the journal PNAS Nexus. But the adoption was almost immediate in southern regions, while people living farther north initially adopted the bow and arrow as a complement to their existing toolkit, gradually phasing out the atlatl and dart over a thousand years.

That's according to the latest research from experimental archaeologist Metin Eren's Experimental Archaeology Laboratory at Kent State University in Ohio, where he and his team try to reverse-engineer a wide range of ancient technologies, from stone tools and ceramics to metal, butchery, and textiles. Eren achieved some notoriety for his 2019 debunking of an Inuit legend, testing rudimentary knives made of frozen feces to see whether they could cut through pig hide, muscle, and tendon. That paper snagged Eren an Ig Nobel prize .

While such work might be colorful, Eren has always emphasized that what he does is very much serious science, not entertainment. His lab has conducted studies on the pitches and octaves produced from the percussive aspects of flint-knapping; common injuries suffered by flint-knappers; the butchering efficiency of Clovis points (field work done jointly with the MeatEater hunters and immortalized on YouTube ); and ballistics experiments to test a 1970s hypothesis about whether some stone blades once had some sort of wood or bone backing on the flat, dulled edge (as opposed to the sharp cutting edge), which would have increased adhesion.

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Germany recently banned TCL from marketing some of its TVs as QLED (quantum dot light-emitting diode), with a Munich court ruling that the TVs lack the quantum dot (QD) structure and performance associated with QLED TVs. The decision increases pressure on TV companies to be more honest with their marketing .

Samsung has actively campaigned against TCL’s use of the term QLED. A year ago, Samsung sent Ars Technica results from testing performed by Intertek , a London-headquartered testing and certification company, on TCL’s 65Q651G , 65Q681G , and 75Q651G . The results showed that the TVs lacked sufficient amounts of cadmium and indium (two chemicals used in QD TVs, either individually or in combination). Intertek reportedly tested the optical sheet, diffuser plate, and LED modules in each TV using a minimum detection standard of 0.5 mg/kg for cadmium and 2 mg/kg for indium.

At the time, a TCL representative told me that TCL had “definitive substantiation for the claims made regarding its QLED televisions.”

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If you've been using the Internet for any length of time, you've probably used a tool like Google Translate to convert webpages or snippets of text to and from languages ranging from Uzbek to Esperanto. But what if you want to translate into more esoteric "languages" like "LinkedIn Speak," "Gen Z slang," or "horny Margaret Thatcher" ?

This week, many people across the Internet have been bemused to find that the AI-powered Kagi Translate can perform these and countless other unlikely "translation" tasks. And while the collective discovery highlights the playful, creative side of large language models, it also exposes the risks of letting users play with generalized LLM tools.

What is a "language," really?

While you might know Kagi best as the paid competitor to Google's ever-worsening search product , the company launched its Kagi Translate tool back in 2024 , saying at the time that it was a "simply better" competitor to tools like Google Translate and DeepL . At launch, the company said Kagi Translate "uses a combination of LLMs, selecting and optimizing the best output for each task," a fact that "can occasionally lead to quirks that we're actively working to resolve."

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The European Union may soon ban nudify apps after Elon Musk's chatbot Grok emerged as a prime example of the dangers of an AI platform failing to block outputs that sexualized images of real people, including children .

In a joint press release , the European Parliament's Internal Market and Civil Liberties committees confirmed that lawmakers voted 101–9 (with 8 abstentions) to simplify the Artificial Intelligence Act and "propose bans on AI 'nudifier' systems."

The vote came after the European Commission concluded earlier this year that the AI Act does not prohibit "AI systems that generate child sexual abuse material (CSAM) or sexually explicit deepfake nudes." At that time, the Commission signaled that Parliament members were already proposing ways to amend the law to strengthen protections against such harmful content.

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In the US, the economics of coal power generation are marginal at best, and a large number of coal plants have shut down as cheaper renewables and natural gas have surged. The Trump administration has used a number of methods to swim against this economic tide, the simplest of which has been to order plants scheduled for closure to remain operational .

The Department of Energy has used the Federal Power Act and a Trump executive order declaring an energy emergency to block the closure of coal plants nationwide. The orders requiring plants to stay open have been accompanied by a steady stream of triumphal press releases, suggesting that the Department of Energy was taking the step solely to ensure grid reliability.

The latest of these releases, issued on Monday, pertains to a plant in Centralia, Washington, that was scheduled to close last year to be converted into national gas generation. A Department of Energy emergency order had kept it operational over the winter, but that order was set to expire yesterday. With yesterday's new order, the plant will remain operational through mid-June. According to the press release, the action was taken "to ensure Americans in the Northwestern region of the United States have access to affordable, reliable, and secure electricity."

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Neanderthals may have used birch tar as more than just glue; it could have helped them ward off infection and even insect bites.

People from several modern Indigenous cultures, including the Mi'kmaq of eastern Canada, use tar from birch bark to treat skin infections and keep wounds from festering. We know from several archaeological sites that Neanderthals also knew how to extract birch tar and that they used it as an adhesive to haft weapons. A recent study tested distilled birch tar against the bacteria S. aureleus and E. coli and found that Neanderthals could easily have used the same material as medicine for their frequent injuries .

This is the simplest step-by-step tutorial for making birch tar: find a tree, set some bark on fire, get messy hands. Credit: Tjaark Siemssen, CC-BY 4.0 (https://creativecommons.org/licenses/by/4.0/)

Medicine can be messy

What we call "birch tar" in English has a lot of other names in multiple Indigenous languages, and it can range from an oily fluid to a brittle, almost solid tarry resin, depending on how long you heat it in the open air after extracting it from the bark. The Mi'kmaq of eastern Canada prefer the more fluid version, which they call maskwio'mi, for wound dressings and skin ointment.

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