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Flying across several time zones often causes jet lag, a feeling when the body insists it's the middle of the night while the clock says it's lunchtime. Now it turns out this nuisance is not exclusive to humans. A new Science study on Manx shearwaters, seabirds that can fly hundreds of kilometers a day over the North Atlantic, shows they jet-lag themselves during their excursions. And because these birds navigate by the Sun, that jet lag leaves a measurable mark—it skews their compass. Clockwork compass Patrick Lewin is a behavioral and sensory ecologist at the University of Oxford and lead author of the study. “Manx shearwaters are medium-sized birds, about the same size as a pigeon,” Lewin said. “They are white underneath and black on top, but they have very long wings, and they are closely related to albatross.” Manx shearwaters nest in burrows on coastal islands around the North Atlantic. Most breed around the UK and Ireland, with about half of their population living in Wales.Read full article Comments
In May 2021, the US Food and Drug Administration released a lengthy briefing document on an experimental medication for a rare autoimmune form of vasculitis that often damages the kidneys and lungs. The agency was on the fence about whether to approve the treatment, and it wanted an independent advisory committee to weigh in. Among the questions at hand: Was the drug meaningfully better than existing therapies? Participants in the study, which had been conducted by the California biotechnology company ChemoCentryx, did appear to have slightly higher rates of symptom remission after one year. But according to the FDA, it was hard to interpret the results because the study’s design had been less than optimal. Some advisory committee members expressed a similar view. The effect of the drug, said one, “is just not well verified by this study.” At the same time, many patients, and some physicians, saw in the data a potentially helpful medication, one that might lessen patients’ reliance on steroids, which are highly effective but often cause severe side effects.Read full article Comments
The Hubble Space Telescope still shines in the eyes of astronomers after 36 years in orbit, but it is not as nimble as it once was. Left alone, the observatory will plunge back into the atmosphere in the early-to-mid-2030s, closing the book on one of the most famous scientific instruments of the century. NASA last raised the orbit of Hubble in 2002, when the Space Shuttle Columbia visited the observatory for a servicing mission. The final shuttle servicing flight in 2009 did not reboost the telescope's orbit, and with the retirement of the shuttle fleet two years later, Hubble has steadily lost altitude with no way to stave off eventual destruction. The space agency released a Request For Information (RFI) on Thursday asking commercial companies for ideas on how to reboost, service, or a controlled disposal of Hubble. Responses are due November 30. Specifically, NASA is looking for information about companies' current and near-term capabilities for capturing Hubble and boosting it to an altitude of at least 373 miles (600 km), enhancing the telescope's performance, or guiding Hubble to a controlled reentry.Read full article Comments
For a genuine fright this Halloween, you can turn your gaze to the southern border, where ravenous, flesh-eating maggots are festering and have taken to eating people's pets. This week, the country's New World Screwworm (NWS) infestation spread to a third state, Arizona, which joins New Mexico and Texas in being plagued by the horrifying parasites. To date, 74 animal cases have been identified in the US since the flies re-invaded the country in June. The flies lay hundreds of eggs in wounds and moist orifices of animals, and the resulting voracious maggots feast on their victims. The maggots resemble screws and tortuously bore and twist into living flesh, causing severe, sometimes fatal wounds, before dropping to the ground to develop into adults.Read full article Comments
Along with the rest of the world, we at Ars are mourning Sir Patrick Stewart—the beloved award-winning actor best known as Captain Jean-Luc Picard in Star Trek: The Next Generation and Professor Charles Xavier in the X-Men franchise—who died yesterday at the age of 86. A statement released by Stewart's representatives said: We announce with great sorrow the passing of Sir Patrick Stewart yesterday at his home in Los Angeles, in the loving care of his beloved wife Sunny, following a brief and poignant journey with Alzheimer’s Disease and Lewy Body Dementia. He has been held in the warm embrace of family and friends, surrounded by live music, prayer, tears, laughter, and the kind of profound emotion that only he could inspire after a lifetime of devotion to us all. We will forever cherish the peaceful ease and reflection on his face, an enduring reminder of his invincible grace. Through the actor's X account, the family has requested that, in lieu of flowers, memorial contributions be made to the Johns Hopkins Alzheimer’s Disease Research Center Fund and the Alzheimer’s Foundation of America Caregiver Resources.Read full article Comments
Blackstone's forecast is just a prediction, but naturally, a high junk rating would make it more difficult and costlier for Anthropic to raise the money to keep funding its massive spending that has undergirded its business.
Boom Supersonic CEO Blake Scholl recently declared “it’s time for a renaissance in energy and in supersonic flight” as the supersonic airliner company unveiled a Colorado factory dedicated to making gas turbines for AI data centers. But Boom may be facing turbulence after early backers for both ventures have questioned the company’s delivery timeline or backed out entirely. One of the company’s first customers, United Airlines CEO Scott Kirby, has expressed doubts about Boom’s original plan to deliver the first Overture supersonic airliner in 2029. Kirby’s latest frank assessment came during an interview with the Office Hours: Business Edition podcast that appeared on October 28, 2026. “‘29 is their official timeline,” Kirby told podcast host Monica Langley. “It’s not going to happen in ‘29—it’s going to take longer.”Read full article Comments
An official extension for Anthropic’s Claude model was backdoored and threatened as many as 5,000 developers' machines, multiple sources reported Friday. Anthropic so far has yet to warn customers of the incident. The compromised package was a VS Code extension available in the marketplace of Cursor, a maker of AI-assisted developer tools, the company said Friday. The malicious version, 2.1.313, subsequently affected “at most 5,000 users,” presumably when they either downloaded it or their systems automatically fetched and installed it. Anthropic pushed version 2.1.314 several hours after the previous version became available on Cursor, according to independent researcher Kevin Beaumont. Both Beaumont and the CTO and co-founder of security firm Phorian said that version 2.1.313 was distributed through Anthropic’s official account on Cursor. So far, neither Cursor nor Anthropic has explained how the attackers gained control of the account. In search of cloud credentials “It was a supply-chain compromise where the attacker gained access to the official distribution channel,” Phorian CTO and co-founder Luke Roberts told Ars. “The malicious version 2.1.313 was posted to the official Anthropic account, effectively superseding 2.1.312. Extensions auto-update in Cursor by default, but users can configure this in settings.” Phorian has more details here.Read full article Comments
On August 9, 2026, Dartmouth College provost Santiago Schnell wrote a Washington Post op-ed called "Universities are fighting AI cheating. But there’s a deeper problem." This week, Schnell discovered the depths of the problem himself as he resigned from the university after an advisory committee found that he failed to disclose significant AI use in an academic paper and in the Washington Post op-ed, even though publishers required such disclosure. Schnell didn't make it especially easy for the committee to investigate his AI use; the report uses the term "insufficient cooperation." He did turn over his Dartmouth laptop, but he did not turn over logs from his personal LLM accounts related to the writings in question. Nor did he agree to meet with the committee. The committee did get access to the Claude enterprise account Schnell had used through Dartmouth, though. This shows him using the LLM as a tool for revising his papers, finding and fixing bugs in code, and editing or generating figures. For instance, Schnell would run his papers through Claude and ask things like:Read full article Comments
