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New studies show a blood biomarker, p-tau217, can indicate Alzheimer’s risk years before symptoms in healthy older adults. The finding could speed up drug trials by identifying high‑risk volunteers, though researchers caution it is not for routine screening yet. Separate efforts in Scotland testGP-based blood diagnostics to speed diagnosis and treatment decisions.
Wildfire smoke from Canadian fires is driving hazardous air across multiple U.S. states. Health officials urge people to stay indoors and protect indoor air quality, with guidance on HVAC use and DIY filters. Experts warn that smoke can affect the heart, brain and pregnancy, and that air quality can remain poor for days.
JWST limb-resolved spectroscopy reveals a cloudy morning limb and a clearer evening limb on tidally locked exoplanet WASP-94A b, implying strong day-night circulation and challenging past assumptions about uniform planetary atmospheres.
The FDA has approved bemotrizinol (BEMT) for over‑the‑counter sunscreens, marking a modernization in U.S. UV protection. The ingredient absorbs both UVA and UVB rays, is photostable, and will debut as Parsol Shield before broader market adoption after an 18‑month exclusivity period. Industry and dermatology experts say the move could improve protection and user experience, though rollout and formulation timelines remain.
The Jiangmen Underground Neutrino Observatory has started collecting data, producing some of the most precise measurements yet of how neutrinos switch flavors. Initial results test the detector’s capabilities and set the stage for cross-checks with Hyper-Kamiokande and DUNE.
Utah faces a widening measles outbreak affecting 22 of 29 counties, with infection clusters in undervaccinated communities. Officials warn that school start and cooler weather could trigger a renewed surge. ProPublica links endemism questions to national measles status.
The Vera C. Rubin Observatory has begun the Legacy Survey of Space and Time, a 10-year program that will image the southern sky every few nights. The telescope has started regular operations from its Chilean mountaintop site and is already returning new detections, including thousands of asteroids and transient views such as Comet 3I/ATLAS.
A JAMA Network Open study finds the vaccine reduces COVID-19-related hospitalizations by about 55% and lowers visits to emergency departments by 50%. The paper has drawn attention because of past political interference in CDC publishing decisions. The study uses a test-negative design and is part of ongoing assessments of vaccine performance amid evolving viral strains.
Coastal authorities have repeatedly stressed calm responses to rip currents as lifeguards warn that these powerful channels carry more than 100 drownings annually in the U.S., with more than 80% of beach rescues tied to them. This year, at least 21 fatalities have been recorded as scientists note currents can reach up to 8 feet per second. The public is urged to flip, float, and follow safety guidelines.
New research shows that laughter rhythms in humans and great apes are strikingly similar, suggesting a shared evolutionary past. Fresh recordings of children’s giggles align with decades-old ape tickling data, indicating a common ancestor and shedding light on the evolution of human speech.
NASA and partners are pursuing a high‑risk salvage to boost the Neil Gehrels Swift Observatory into a higher, stable orbit. A Katalyst Space Technologies robot will capture Swift and lift it from 224 miles to about 373 miles, extending its life as solar activity threatens its destruction in October.
The NHS is expanding an AI-driven triage tool across app users, directing patients to the right service and reducing wait times. Trials show a 29% drop in GP phone queue lines, and the program is part of a larger £10bn tech overhaul. Safety, privacy, and digital inclusion remain priorities as the rollout reaches 200,000 patients this year and all users by 2028.
Health authorities have reported at least 1,759 confirmed Ebola cases and about 600 deaths in the Democratic Republic of Congo since mid-May, driven by the rare Bundibugyo strain. The World Health Organization has enrolled the first patient in a trial testing MBP134 and remdesivir; treatment centres are strained and insecurity and funding shortfalls are hindering response.
NASA has hired Katalyst Space Technologies to send Link, a three-armed drone, to grab the Swift Observatory and lift it to a higher orbit. The mission, launched from the Marshall Islands, aims to prevent Swift from burning up in Earth’s atmosphere and keep it scanning gamma-ray bursts and exploding stars.
NASA has outlined a campaign to return humans to the Moon and establish a permanent outpost by 2030, shifting from a mission-by-mission approach to a sustained lunar program. Artemis II has demonstrated new capabilities and sparked debate over the logistics, funding, and strategic value of a long-term lunar presence.
Researchers have detected erythrulose, a four-carbon sugar, in the interstellar medium near the Milky Way’s center. The finding supports theories that sugars essential to life could form in space and arrive on Earth via comets and asteroids. The study, published in Nature Astronomy, suggests that millions of tonnes of erythrulose may have rained down on Earth during the Late Heavy Bombardment.
Preliminary medical examiner findings indicate an aortic dissection linked to artery hardening has caused the death of a sitting senator. Reports describe sudden chest or back pain and rapid onset of life-threatening symptoms; speedy treatment is critical.
Officials have identified cooling towers as a likely source of Legionnaires’ disease in New York City’s Upper East Side outbreak that has sickened dozens and hospitalised many. Tests detect Legionella in cooling towers across more than 75 buildings, with cleanups underway as investigators work to pinpoint the exact source.
New guidance warns that extensive texting and scrolling are causing thumb and wrist pain, with risks of carpal tunnel and arthritis if untreated. Experts advise posture changes, breaks, voice-to-text and ergonomic aids as limits on device use begin.
The military is screening for low testosterone and offering therapy to qualified troops. Experts warn against overprescribing and emphasize that treatment targets those with clinically diagnosed deficiencies.
The FDA has approved Lipfendra, Merck’s oral PCSK9 inhibitor, to lower LDL cholesterol in patients on statins. Trials show ~55-60% LDL reductions; the pill will be sold at about $315/month and must be taken on an empty stomach. Analysts see potential peak sales in the billions as injectable rivals face competition and access barriers.
AP, Independent and Ars Technica recount Apollo 11 relics tied to the 1969 lunar mission. A broken circuit-breaker switch and a felt-tip pen helped Armstrong and Aldrin escape the Moon’s surface; bidders have paid nearly $1 million for the items that helped the mission return home.
Jenitar Na’amoana has given birth to four monozygotic girls at 28 weeks and four days after naturally conceiving; they remain in intensive care. The birth, at Royal Brisbane and Women's Hospital, follows a high-risk pregnancy because the babies shared a single placenta. The family had four older children and the mother is supported by a medical team and a GoFundMe campaign.
The nomination of Jay Clayton to lead the National Intelligence Directorate is advancing through the Senate Intelligence Committee, but Democrats press him on the 2020 election and his time as SDNY U.S. attorney. The panel has signaled a vote next week, with the full Senate likely to follow.
FDA advisory committee is weighing whether seven peptides can be added to the compounding list. Experts warn data are insufficient on safety and effectiveness, while political support for easing restrictions grows. The FDA’s decision will shape access, oversight, and potential risks for patients.