A new scientific review challenges the headline-grabbing claim that Yellowstone’s returning wolves triggered one of the strongest trophic cascades on Earth. Researchers found that the reported 1,500% surge in willow growth was based on circular calculations and questionable comparisons. After correcting for modeling and sampling flaws, the supposed ecosystem-wide boom largely disappears. Read more ›
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A newly identified planet candidate, HD 137010 b, looks strikingly Earth-like in size and orbit — but it may be colder than Mars due to its dimmer star. If it has a thick enough atmosphere, though, this icy world could still surprise us. Read more ›
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Scientists studying a rock sample collected by NASA’s Curiosity rover have uncovered something tantalizing: the largest organic molecules ever detected on Mars. The compounds — decane, undecane, and dodecane — may be fragments of fatty acids, which on Earth are most often linked to life. While non-living processes like meteorite impacts can also create such molecules, researchers found those sources couldn’t fully explain the amounts detected. Read more ›
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Coral reefs, worth an estimated $9.8 trillion a year to humanity, are in far worse shape than previously realized. A massive international study found that during the 2014–2017 global marine heatwave, more than half of the world’s reefs suffered significant bleaching, and many experienced large-scale coral death. Read more ›
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Even when Earth was locked in its most extreme deep freeze, the planet’s climate may not have been as silent and still as once believed. New research from ancient Scottish rocks reveals that during Snowball Earth — when ice sheets reached the tropics and the planet resembled a giant snowball from space — climate rhythms similar to today’s seasons, solar cycles, and even El Niño–like patterns were still pulsing beneath... Read more ›
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Swapping just an hour of TV a day for something more active could significantly lower the risk of developing major depression—especially in middle age. A large Dutch study tracking more than 65,000 adults over four years found that replacing 60 minutes of TV with other activities cut depression risk by 11% overall, and by nearly 19% in middle-aged adults. The more time people reallocated—up to two hours—the greater the benefit,... Read more ›
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For the first time, deadly H5N1 bird flu has been confirmed as the cause of a wildlife die-off in Antarctica, killing more than 50 skuas during the 2023–2024 summers. Researchers on an Antarctic expedition found the virus ravaging these powerful seabirds, with some suffering severe neurological symptoms—twisted necks, circling behavior, and even falling from the sky. While penguins and fur seals were examined, skuas emerged as the primary victims, especially... Read more ›
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Deep inside a nearby galaxy cloaked in thick clouds of gas and dust, astronomers have uncovered a surprising treasure trove of organic molecules using the James Webb Space Telescope. Peering through the cosmic veil in infrared light, researchers detected an extraordinary mix of carbon-rich compounds — including benzene, methane, and even the highly reactive methyl radical, never before seen outside the Milky Way. Read more ›
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A six-week study from the University of Nottingham suggests that pairing fermented kefir with a diverse prebiotic fiber mix may deliver a powerful anti-inflammatory boost. This “synbiotic” combination outperformed omega-3 supplements and fiber alone, leading to the broadest drop in inflammation-related proteins in healthy adults. By feeding beneficial microbes and helping them produce compounds like butyrate, the combo appeared to improve overall immune balance and metabolic health. Read more ›
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A simple brain-training program that sharpens how quickly older adults process visual information may have a surprisingly powerful long-term payoff. In a major 20-year study of adults 65 and older, those who completed five to six weeks of adaptive “speed of processing” training — along with a few booster sessions — were significantly less likely to develop dementia, including Alzheimer’s disease, even two decades later. Participants who received the boosted... Read more ›
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A new clinical trial suggests that changing when you eat could make a meaningful difference for people living with Crohn’s disease. Researchers found that time-restricted feeding, a form of intermittent fasting that limits meals to an 8-hour daily window, reduced disease activity by 40% and cut abdominal discomfort in half over 12 weeks. Participants also lost weight and showed healthier inflammation and immune markers, even though they did not reduce... Read more ›
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Three major reviews commissioned by the World Health Organization find that GLP-1 drugs including tirzepatide (sold as Mounjaro and Zepbound), semaglutide (Ozempic and Wegovy), and liraglutide (Victoza and Saxenda) can lead to substantial weight loss in people with obesity. But while the results are impressive, researchers caution that most trials were funded by drugmakers, long term safety data are still limited, and side effects such as nausea are common. Read more ›
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Life may have started in sticky, rock-hugging gels rather than inside cells. Researchers suggest these primitive, biofilm-like materials could trap and concentrate molecules, giving early chemistry a protected space to grow more complex. Within these gels, the first hints of metabolism and self-replication may have emerged. Read more ›
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For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the third known interstellar comet ever spotted. When scientists turned NASA’s Swift Observatory toward it, they caught the first-ever hint of water from such an object, detected through a faint ultraviolet glow of hydroxyl gas. Even more surprising, the comet was blasting out water at a rate of about 40 kilograms... Read more ›
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Avian malaria is spreading across Hawaiʻi in a way scientists didn’t fully grasp until now: nearly every forest bird species can help keep the disease alive. Researchers found the parasite at 63 of 64 sites statewide, revealing that both native honeycreepers and introduced birds can quietly pass the infection to mosquitoes—even when carrying only tiny amounts of it. Because infected birds can remain contagious for months or even years, transmission... Read more ›
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A distant star system with four super-sized gas giants has revealed a surprise. Thanks to JWST’s powerful vision, astronomers detected sulfur in their atmospheres — a chemical clue that they formed like Jupiter, by slowly building solid cores. That’s unexpected because these planets are far bigger and orbit much farther from their star than models once allowed. Read more ›
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Depression in older adults may sometimes signal the early stages of Parkinson’s disease or Lewy body dementia. Researchers found that depression often appears years before diagnosis and remains elevated long afterward, unlike in other chronic illnesses. This suggests depression may reflect early brain changes rather than emotional distress alone. Read more ›
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A cooler bedroom might be better for older sleepers than previously thought. Researchers found that keeping nighttime temperatures at 75°F reduced stress responses and helped the heart work more efficiently during sleep. Hot nights usually force the heart to work harder, interfering with recovery. As climate change drives warmer nights, this small adjustment could make a big difference. Read more ›
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Your cat’s purr may say more about who they are than their meow ever could. Scientists discovered that purrs are stable and uniquely identifiable, while meows change dramatically depending on context. Domestic cats, in particular, have evolved highly flexible meows as a way to communicate with humans. The purr, meanwhile, stays constant—making it a reliable marker of individual identity. Read more ›
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Hundreds of millions of years ago, the first animals to crawl onto land were strict meat-eaters, even as plants had already taken over the landscape. Now scientists have uncovered a 307-million-year-old fossil that rewrites that story: one of the earliest known land vertebrates to start eating plants. The animal, named Tyrannoroter heberti, was a stocky, football-sized creature with a skull packed with specialized teeth designed for crushing and grinding vegetation. Read more ›
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13.03.2026 17:36
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