The ongoing war between the Trump administration and Harvard University has taken a new twist, with the government sending Harvard a letter that, amid what appears to be a stream-of-consciousness culture war rant, announces that the university will not be receiving any further research grants. The letter potentially suggests that Harvard could see funding restored by "complying with long-settled Federal Law," but earlier demands from the administration included conditions that went well beyond those required by law.

The letter , sent by Secretary of Education Linda McMahon, makes it somewhat difficult to tell exactly what the government wants, because most of the text is a borderline deranged rant written in florid MAGA-ese. You don't have to go beyond the first paragraph to get a sense that this is less a setting of funding conditions than an airing of grievances:

Instead of using these funds to advance the education of its students, Harvard is engaging in a systemic pattern of violating federal law. Where do many of these "students" come from, who are they, how do they get into Harvard, or even into our country—and why is there so much HATE? These are questions that must be answered, among many more, but the biggest question of all is, why will Harvard not give straightforward answers to the American public?

Does Harvard have to answer these questions to get funding restored? It's unclear.

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We've reviewed some pretty expensive bikes here at Ars, and one of the consistent concerns we see in the comments is the fear of theft. That's a widely shared fear, based on a whole bunch of videos that describe how to hide an AirTag tracker where a potential bike thief won't notice it. There are also a number of products available that will hold a hidden AirTag in a reflector, a bike bell, or the head tube.

But Apple has also made it possible for third parties to plug their devices into its "Find My" system, and a company called Knog has made a Bluetooth bike tracker called the Scout that does just that. The Scout goes well beyond tracking, though, providing a motion-sensitive alarm system that will alert you if anybody tries to move your bike.

Meet the Scout

The Scout can be attached to the frame using the screw holes normally used for a water bottle holder. Security screws make it considerably more difficult to remove. Once there, it uses Apple's Find My network to keep the owner apprised of the bike's location (Android users need not apply at the moment). If you're leaving your bike in a high-risk location, you can also use Knog's phone application to set an alarm that will be triggered if the bike is moved.

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Tesla is in deep trouble in Europe. The electric vehicle maker, which once dominated EV sales in the region, is facing sales declines of more than 50 percent in France, the Netherlands, Sweden, Denmark, and the UK. Sales in Germany weren't quite as bad—they fell by 46 percent in April, with slightly smaller decreases in Portugal and Spain. Only Italy and Norway saw any kind of sales growth.

The headwinds were already looking unfavorable for Tesla even before CEO Elon Musk threw his lot in with Donald Trump and his authoritarian makeover of the US government. A small and outdated product portfolio was already looking stale compared to the influx of EVs from Chinese brands and European automakers, but Musk's hard-right turn and the US government's ongoing antagonism toward the rest of the world has soured the brand entirely. And a recent styling refresh for the Model Y has failed to arrest the slide.

The UK has been one of Tesla's biggest markets in Europe, and it's seeing something of an EV boom, with 8.1 percent more BEVs registered in April 2025 than the year before, even as overall car sales have dropped by 10.4 percent year on year. But Tesla's sales fell by 62 percent—the automaker registered just 512 cars all month. For context, 120,331 new cars were registered in the UK last month , of which 24,558 were BEVs.

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The US data center industry has warned that the Trump administration’s crackdown on renewable energy could slow its growth and undermine Washington’s goal to win the global artificial intelligence race.

Renewables have become a flashpoint since Donald Trump re-entered the White House, with his administration suspending clean energy developments on federal land, pausing federal loans, and last month canceling high-profile projects such as Equinor’s $5 billion Empire Wind site.

For tech companies struggling to secure reliable energy supplies to power and train AI, a clampdown on renewables could create power bottlenecks, drive up costs, and push operators towards dirtier energy, experts said.

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Microsoft is releasing a pair of new Surface devices today, both models that undercut last year's Surface Laptop and Surface Pro on price but also take a pretty big step down in specs. One of the devices is a new 12-inch Surface Pro tablet, which we've covered in more detail here . The other is a new 13-inch Surface Laptop, whose specs and price straddle the narrow gap between the current seventh-generation Surface Laptop and the original price of the aging Surface Laptop Go 3.

The new Surface Laptop starts at $899, and preorders open today. It will be available on May 20.

The new laptop shares many specs in common with last year’s entry-level seventh-generation Surface Laptop, including an Arm-based Qualcomm Snapdragon X Plus processor, 16GB of RAM, and support for Windows 11’s expanded Copilot+ capabilities. It’s also smaller and lighter than the 13.8-inch Surface Laptop. But the CPU has eight cores instead of 10 or 12, the screen is smaller and lower resolution, and you’re more limited in your upgrade options; we’ve outlined the key differences in the table below.

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Microsoft is introducing a pair of new Surface devices today, both aimed slightly down-market from the 11th-generation Surface Pro tablet and 7th-generation Surface Laptop that the company released last spring. One is a 13-inch Surface Laptop, which we've covered in more detail here . The second (and more notably changed) device is a new 12-inch Surface Pro tablet, which is the first significant design change we've seen in the Surface Pro lineup since the first ARM-based Surface Pro X was released in 2019.

Preorders for both new Surface devices begin today, and they begin shipping on May 20. The 12-inch Surface Pro starts at $799, and the keyboard cover remains a separate purchase, available for $149.

The 12-inch Surface Pro is a cheaper alternative to the $939-and-up 13-inch Surface Pro (which Microsoft is continuing to sell), and the smallest Surface Microsoft has tried since the 10.5-inch underspecced Surface Go series . In addition to the smaller screen, the base model includes a bunch of other minor downgrades from the flagship 13-inch tablet, as outlined in the table below. But it's also nearly half a pound lighter, and its 8-core Qualcomm Snapdragon X Plus processor should still deliver solid performance and compatibility with the extra Windows 11 features available on Copilot+ PCs.

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Most astronauts these days are fairly anonymous, and chances are you have never heard of Nichole Ayers. And that's OK.

But sometimes it's worth pausing for a moment to reflect on just how accomplished these people are. Ayers, 36, flew the supersonic F-22 stealth aircraft in the international war against the Islamic State and rose to become a major in the US Air Force before being selected as a NASA astronaut in 2021. Oh, yeah, she also completed a master's degree in computational and applied mathematics at Rice University.

For her first spaceflight, Ayers launched on the Crew-10 mission to the International Space Station in March. This flight got a fair amount of media attention, but that was largely because the arrival of Crew-10 allowed the Crew Dragon spacecraft to which Butch Wilmore and Suni Williams were assigned to return home. Since then, Ayers has spent 50 days in space, astronauting. This included a spacewalk last week, her first, alongside veteran astronaut Anne McClain.

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A California man has pleaded guilty to hacking an employee of The Walt Disney Company by tricking the person into running a malicious version of a widely used open source AI image generation tool.

Ryan Mitchell Kramer, 25, pleaded guilty to one count of accessing a computer and obtaining information and one count of threatening to damage a protected computer, the US Attorney for the Central District of California said Monday . In a plea agreement, Kramer said he published an app on GitHub for creating AI-generated art. The program contained malicious code that gave access to computers that installed it. Kramer operated using the moniker NullBulge.

Not the ComfyUI you’re looking for

According to researchers at VPNMentor , the program Kramer used was ComfyUI_LLMVISION, which purported to be an extension for the legitimate ComfyUI image generator and had functions added to it for copying passwords, payment card data, and other sensitive information from machines that installed it. The fake extension then sent the data to a Discord server that Kramer operated. To better disguise the malicious code, it was folded into files that used the names OpenAI and Anthropic.

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In a hard-to-watch video, a healthy-looking 4-year-old boy lies on a bed as doctors lift his eyelids to watch his big brown eyes erratically swirl and roll backward. His head jerks, and his little limbs weakly twitch and spasm. A small bit of foam pushes past his lips.

The video, captured by neurologists in India and published today in JAMA Neurology , shows what it looks like when the measles virus is allowed to ravage a child's brain. (The video can be viewed here .)

The boy was never vaccinated and developed a rare complication from measles called subacute sclerosing panencephalitis (SSPE). The condition occurs when the measles virus quietly sneaks into the central nervous system. It often lurks for years after an initial infection before it begins wreaking havoc, triggering damaging inflammation, destroying neurons, and causing brain lesions.

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