Several popular sugar substitutes may not be as harmless as they seem. Adults who consumed the most artificial sweeteners showed substantially faster declines in memory and thinking, especially if they were under 60 or had diabetes. The highest intake was linked to cognitive aging roughly 1.6 years faster than the lowest intake. Researchers stressed that more studies are needed before concluding that sweeteners are the cause. Read more âș
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A newly proposed quantum sensing technique could make it much easier to identify one of physicsâ newest and most intriguing classes of magnets: altermagnets. These unusual materials, discovered only a few years ago, appear to combine the speed and efficiency of antiferromagnets with some of the useful electronic properties of traditional magnets, making them promising candidates for next-generation electronics. Read more âș
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A new study suggests that learning and remembering speech relies more on how the brain processes sounds and sensations than on the areas that control mouth and face movements. The discovery could reshape speech therapy and help improve future brain-based communication technologies. Read more âș
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Researchers found that highly drug-resistant bacteria from hospitals are also resistant to glyphosate, a commonly used weedkiller. The discovery suggests that agricultural herbicides may be helping antibiotic-resistant microbes survive and spread far beyond healthcare settings. Read more âș
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A cave in New Zealand has yielded fossils from a lost ecosystem that existed about 1 million years ago, including a possible flying ancestor of the kÄkÄpĆ. The discovery reveals that volcanoes and climate upheaval were reshaping the countryâs wildlife and driving extinctions long before humans arrived. Read more âș
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A rare meteorite has revealed evidence of a massive lost world that once orbited the young Sun before being destroyed in a catastrophic collision. The discovery suggests some early planets formed from dramatically different materials than Earth and Mars, rewriting part of the solar systemâs origin story. Read more âș
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NASAâs upgraded Cold Atom Lab is turning the International Space Station into a frontier for quantum research, creating ultra-cold matter that behaves in astonishing ways. The experiments could unlock new discoveries about the universe while paving the way for powerful future technologies in space and on Earth. Read more âș
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A minimally invasive treatment called GAE is helping people with chronic knee pain get back to gardening, cycling, and other activities without undergoing knee replacement surgery. Early studies suggest the procedure can provide years of relief by reducing inflammation inside the joint. Read more âș
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A new review suggests that doing more exercise and eating more protein than current minimum recommendations may help people stay stronger, sharper, and more independent as they age. The goal isn't building a beach bodyâit's extending healthspan and maintaining the ability to fully enjoy life for decades longer. Read more âș
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Trees planted to protect farmland from wind may not be the biodiversity boost many assume. In Japanâs wetland farming landscapes, shelterbelts benefited some birds but sharply reduced grassland and wetland species that need open space. Researchers found grassland bird abundance dropped by more than 70% near shelterbelts. Read more âș
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A colossal ancient collision may have left some of the Moonâs deepest secrets surprisingly close to future Artemis landing sites. By recreating the impact that formed the giant South Pole-Aitken basinâthe Moonâs largest and oldest craterâscientists found that a low-angle strike from a large, iron-cored object blasted material from deep inside the Moon, including mantle rocks. Read more âș
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A clinical trial is exploring whether high doses of vitamin B3 could give patients with glioblastoma a better chance against the aggressive brain cancer. Scientists found that niacin may help revive immune cells that tumors shut down, allowing them to attack cancer more effectively. Early results have been promising, with patients showing significantly better progression-free survival than expected. Read more âș
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Scientists discovered that Heliconius butterflies have evolved an extraordinary lifespan, living several times longer than closely related species. Even more surprising, some show little sign of physical decline as they age. Their unusual pollen-feeding lifestyle may play a role, but the research suggests deeper evolutionary changes are also helping them stay healthy for longer. Read more âș
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Two dangerous viruses are back in the spotlight, reminding health officials how quickly infectious diseases can become serious threats. Hantavirus, often linked to rodents, can cause severe heart and lung complications and has no specific treatment or vaccine, while certain strains can even spread between people. Ebola remains one of the world's most feared diseases, with some outbreaks killing up to half of those infected, although vaccines and antivirals have... Read more âș
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Tyrannosaurus rex may have been a much slower grower than scientists realized. A new study of 17 tyrannosaur fossils found that the giant predator likely took about 40 years to reach its full size of roughly eight tons, extending previous estimates by 15 years. Read more âș
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Not all fats affect your body the same way. Researchers found that palmitic acid, a saturated fat common in many foods, may contribute to insulin resistance and type 2 diabetes by triggering inflammation, toxic fat buildup, and cellular stress. In contrast, oleic acidâthe heart-healthy fat abundant in olive oilâappears to help protect insulin function and may even counter some of the harmful effects of palmitic acid. Read more âș
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A study of long-lived families has identified rare genetic variants that may help people stay healthier for much longer as they age. One standout mutation appears to temper inflammation, potentially delaying disease and extending years of healthy living. Read more âș
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Researchers found that a Chinese sodium-ion battery performs far better than expected, with production quality and design features comparable to Teslaâs batteries. If engineers can improve cold-weather charging and energy density, sodium could become a cheaper and more abundant alternative to lithium for EVs and large-scale energy storage. Read more âș
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Freshwater lakes across North America and Europe are becoming noticeably browner, reducing underwater visibility and reshaping fish populations. Research found that several popular sport fish, including trout, bass, perch, and whitefish, tend to decline in darker waters. Meanwhile, walleye and northern pike often become more abundant because they are better adapted to low-visibility conditions. The shift could change both lake ecosystems and the fishing experience for millions of anglers. Read more âș
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Scientists at Baylor College of Medicine may have uncovered a promising new way to combat Alzheimerâs and Parkinsonâs disease. Instead of trying to stop Tau and alpha-synuclein proteins from gathering into tiny droplets inside brain cells, the researchers found that tubulinâthe protein that builds the cellâs internal transport networkâcan redirect these proteins away from forming toxic clumps and toward healthy, productive work. Read more âș
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A long-term Yale study is challenging one of the biggest myths about aging. Nearly half of adults over 65 improved physically, mentally, or both over time, despite the common belief that aging means constant decline. Researchers found that people with more positive attitudes about getting older were significantly more likely to show these gains. Read more âș
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21.07.2026 23:55
Last update: 23:50 EDT.
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