Beta blockers, used for decades after heart attacks, provide no benefit for patients with preserved heart function, according to the REBOOT trial. The massive study also found women faced higher risks when taking the drug. Experts say the results will change heart treatment guidelines worldwide.
Advocates have long contended that so-called "smart glasses," which records whatever the wearer sees when turned on, will pose serious privacy risks. With Meta's Ray-Ban AI glasses, a new generation is finding out the hard way just how creepy these surveillance wearables can be. In a recent viral TikTok video, influencer Aniessa Navarro said that a few weeks prior, she was in the middle of a Brazilian wax at her regular Manhattan location of the European Wax Center chain when she realized that her esthetician was wearing a pair of the Ray-Ban Meta AI Wayfarers. Surprised, Navarro asked the esthetician […]
In a hot spring at Yellowstone National Park, a microbe does something that life shouldn’t be able to: It breathes oxygen and sulfur at the same time.
Hundreds of thousands of people are at risk of losing homes, businesses—and lives—as giant “gullies” expand into cities across Africa
A single typo, formatting error, or slang word makes an AI more likely to tell a patient they're not sick or don't need to seek medical care. That's what MIT researchers found in a June study currently awaiting peer review, which we covered previously. Even the presence of colorful or emotional language, they discovered, was enough to throw off the AI's medical advice. Now, in a new interview with the Boston Globe, study coauthor Marzyeh Ghassemi is warning about the serious harm this could cause if doctors come to widely rely on the AI tech. "I love developing AI systems," […]
A total lunar eclipse will take place on Sept. 7-8, creating a spectacular blood moon effect.
New research has created the first comprehensive effort to categorize all the ways AI can go wrong, with many of those behaviors resembling human psychiatric disorders.
On Aug. 23, 1966, NASA's Lunar Orbiter 1 sent back the first photo of Earth from the moon. It showed a grainy crescent Earth that predated Apollo 8's famous color "Earthrise" by over two years.
A pair of solar eruptions may combine into a powerful "cannibal CME," boosting chances for dazzling auroras over Labor Day.
Ranking who has the best ears in the animal kingdom is a tough task, but some animals push the limits of hearing far beyond what humans can imagine.
Stanford researchers reveal meandering rivers existed long before plants, overturning textbook geology. Their findings suggest carbon-rich floodplains shaped climate for billions of years.
As the Great Salt Lake shrinks, scientists are uncovering mysterious groundwater-fed oases hidden beneath its drying lakebed. Reed-covered mounds and strange surface disturbances hint at a vast underground plumbing system that pushes fresh water up under pressure. Using advanced tools like airborne electromagnetic surveys and piezometers, researchers are mapping the hidden freshwater reserves and testing whether they could help restore fragile lakebed crusts, reduce dust pollution, and reveal long-buried secrets of the region’s hydrology.
New research suggests that exercise may not just make us feel younger—it could actually slow or even reverse the body’s molecular clock. By looking at DNA markers of aging, scientists found that structured exercise like aerobic and strength training has stronger anti-aging effects than casual activity. Evidence from both mice and humans shows measurable reductions in biological age, with benefits reaching beyond muscles to the heart, liver, fat tissue, and gut.
Bright Venus hangs near the lovely Beehive Cluster (M44) in Cancer this morning. Both rise more than two hours before the Sun and reach nearly 20° high in the east an hour before sunrise. Venus shines at magnitude –3.9, a blazing beacon just 1.4° southwest (to the upper right) of the Beehive. At magnitude 3.1, Continue reading "The Sky Today on Sunday, August 31: Venus hangs with the Beehive" The post The Sky Today on Sunday, August 31: Venus hangs with the Beehive appeared first on Astronomy Magazine .
Drinking nitrate-rich beetroot juice lowered blood pressure in older adults by reshaping their oral microbiome, according to researchers at the University of Exeter. The study found that beneficial bacteria increased while harmful ones decreased, leading to better conversion of dietary nitrates into nitric oxide—a molecule vital for vascular health.
The EPA fired five agency employees who signed a June declaration decrying moves that contradict science and undermine public health, alongside four more served removal notices
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