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Hegseth’s dubious low-T screening may flag up to 25 percent of the Army

Up to a quarter of active-duty Army members could receive a low testosterone result from mandatory military screening, despite the true prevalence of the condition likely being a tiny fraction of that figure, according to a study published Thursday in JAMA. The finding adds to concerns that the mandatory screening announced by Defense Secretary Pete Hegseth in July will lead to a cascade of unnecessary medical evaluations for military members. Those evaluations could result in inappropriate testing, inaccurate results and diagnoses, and overtreatment that could cause harm, including infertility. Medical experts, including the Endocrine Society and the American Urological Association (AUA), have recommended against blanket screenings for these reasons. Still, the Pentagon has moved forward with the plans, releasing clinical guidance in September. The JAMA study highlights the reasons why testosterone levels are not measured in men without symptoms—and also offers a glimpse of how many Army members could become ensnared in the clinically dubious screenings.Read full article Comments

via Ars Technica
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Targeted ads delivered 0-click exploits to install mercenary malware

Researchers say that mercenary hackers laced ads with zero-click exploits that installed sophisticated malware on the devices of targeted individuals when they did nothing other than load a website or open an installed app. The finding, published Thursday by the University of Toronto’s Citizen Lab, said the incident is likely to be the first confirmation of zero-click mercenary spyware delivered through targeted ads. The attacks, which worked on iOS and Android devices, are particularly pernicious because they work without requiring any interaction from the target and are invisible unless users run special forensic hardware or software. Citizen Lab said it confirmed that AdFection, as it named the campaign, infected 45 devices at international media organization Al Jazeera in 2024 and 2025. A clear warning signal “This investigation should … serve as a clear warning signal to news organizations around the world that they may be being actively targeted via this new threat,” Citizen Lab researchers wrote. “This targeting may happen both in newsrooms and to individual journalists, editors, and other staff members.” Their report went on to say: “The distribution of spyware via targeted ads represents a security risk not only for potential victims but also for states and civil society at large.”Read full article Comments

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Above the 911? Porsche previews a new mid-engined supercar.

Porsche showed us a preview of a new model this afternoon as it unveiled the Mission S concept in New York. It’s a mid-engined sports car that will slot into the Porsche range above the 911. But this won’t be a limited-run car like the Carrera GT or 918 Spyder—instead it will be a regular production model, part of Porsche’s plan to dig itself out of a financial hole by 2035. Things have been tough for the German automaker of late. Just three years ago its profit margin was the envy of the industry at 18 percent; last year it collapsed to just 1 percent. It has recovered a little since then, and Porsche’s board has a plan to get back to double-digit margins by 2035, called “Sportwagenschmiede '35,” which involves prioritizing “value over volume,” with greater individualization for customers—and the associated higher selling prices that come with it. Note the quad exhausts—will this be powered by a flat-8? Credit: Porsche “We are pursuing a clear plan with our strategy Sportwagenschmiede '35. The ultimate goal is to further strengthen our unique sports car brand–across all model lines and with new, highly desirable models in particularly high-margin segments,” said Porsche Chairman Michael Leiters.Read full article Comments

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What did the Liberty Bell sound like? Science is on the case.

The Liberty Bell, with its famous crack, hasn't been rung in 180 years, but that hasn't stopped scientists from pondering what the bell might have sounded like when tolling. In honor of the nation's 250th anniversary, researchers at Penn State University have modeled its acoustic properties, drawing on data collected from one of the bell's replicas. The work was first presented at a meeting of the Acoustical Society of America in Philadelphia earlier this year, followed by an article in Physics Today. Historians aren't sure exactly when the Liberty Bell acquired its distinctive crack, just that it occurred sometime between 1817 and 1846. An 1846 account in the Public Ledger described the ringing of the bell on February 23 that year and mentioned that the bell had developed a crack, which someone had attempted to fix by filing the sides down. But it didn't work: The February 23 ringing extended the crack even more, so much so that "the old Independence Bell ... now hangs in the great steeple irreparably cracked and forever dumb." Nobody has heard it ring since. This wasn't the first time the bell had cracked; the rim cracked shortly after it arrived in Philadelphia in 1752, the first time the clapper struck while testing the sound. It was recast by two local foundry workers, John Pass and John Stow, not once but twice, because the first recast produced a sound that one bystander likened to coal scuttles banging together.Read full article Comments

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Black Sea drone attacks enter NATO country’s territorial waters for first time

Russian drones are suspected of sinking a cargo ship and leaving chemical tankers ablaze near the Black Sea coasts of Bulgaria and Romania, respectively. The latest attacks mean that at least seven ships have been attacked in the exclusive economic zones of NATO member countries—and even within Romania's territorial waters if Russian involvement is confirmed in the case of the chemical tankers. Such attacks have spurred requests for NATO to redeploy counter-drone systems to provide more protection. In a social media post on October 15, NATO Secretary General Mark Rutte stated that NATO had increased "counter-drone capabilities" along the alliance's eastern flank after meeting with the leaders of Bulgaria and Romania. The latest attacks this week occurred within 24 hours between October 14 and October 15, when the two chemical tankers were set afire after Russian drones were detected in Romanian airspace, according to Deutsche Welle. Both ships were sitting at anchor near the mouth of the Sulina canal that connects the Black Sea to the Danube River, which has become a crucial shipping export route for Ukraine, Reuters reported.Read full article Comments

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Microplastics in water aren’t inert and make damaging chemicals on their own

One reason plastics are used so often is that they’re chemically inert, meaning bags, food containers, and cups don't react with what we put in them. Yet they can still break down into microplastics, which turn up in drinking water, human blood, arteries, and brains. The consequences of that are uncertain. “Whether microplastics can directly cause human disease is still being researched,” said Wei Min, a chemist at Columbia University. In a new Nature study, Min's team took a step toward answering this question by demonstrating that microplastics are likely not as chemically inert as we might expect. Microdroplet chemistry Min's lab has spent years working on microdroplet chemistry, studying how water broken into tiny droplets behaves at its boundary with air. These droplets have been reported to generate reactive oxygen species, or ROS, a family of harmful, oxygen-containing molecules. “ROS will essentially bump into proteins, lipids, DNA, and cause damage,” Min said. “You could break a DNA strand into segments. You could mutate DNA; you could misfold proteins.”Read full article Comments

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Trump cancels Pentagon plans to livestream firing squad execution

On Thursday, Donald Trump called off the Pentagon’s highly controversial plans to livestream a firing squad execution that is still on schedule for December 3. Trump supports the execution of Nidal Hasan, who was convicted of killing 13 people and wounding more than 30 others in the 2009 mass shooting at Fort Hood. But sources close to Trump told CNN that the president was blindsided last week when Secretary of Defense Pete Hegseth announced that the event—which is the first US execution of a soldier since World War II—would be livestreamed. Backlash to the livestream was immediate and crossed political divides. On the morning Trump canceled the plans, an ABC News poll found 8 in 10 Americans were against the livestream, including a 55 percent majority of MAGA Republicans.Read full article Comments

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Neutron’s first launch slips again amid trouble with carbon composites

Rocket Lab announced Wednesday that its Neutron launch vehicle won't fly until 2027, citing an issue discovered during manufacturing of the rocket's carbon composite structures. The announcement was public confirmation of what nearly everyone inside Rocket Lab and the wider space industry already knew. The most recent official update from Rocket Lab in August suggested the company still held hope of delivering the first Neutron rocket to its launch pad at Wallops Island, Virginia, before the end of this year, a schedule that would have almost certainly pushed the first flight into 2027. But Rocket Lab's statement Wednesday about Neutron's schedule suggests the company is still struggling with manufacturing the rocket's large booster stage. Neutron's reusable first stage is made of carbon composite structures, which offer low weight, high strength, and corrosion resistance. But carbon composites in aerospace are generally harder to manufacture than metallic structures.Read full article Comments

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