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Popis: Breaking science news and articles on global warming, extrasolar planets, stem cells, bird flu, autism, nanotechnology, dinosaurs, evolution...
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Scientists just found a chilling way life may have begun14:39 New experiments suggest that freezing and thawing on early Earth may have helped primitive cell-like structures grow and evolve. Tiny lipid bubbles behaved very differently depending on their membrane makeup—some fused into larger compartments and captured DNA more efficiently. These fusion events could have mixed key molecules, setting the stage for more complex chemistry. 50-foot ancient snake discovered in India may be one of the largest ever11:27 A massive prehistoric snake discovered in India may rank among the largest ever to slither across Earth. Named Vasuki indicus, this ancient giant lived around 47 million years ago and is estimated to have stretched an astonishing 11 to 15 meters long—rivaling the legendary Titanoboa. Fossilized vertebrae unearthed from a lignite mine in Gujarat reveal a thick-bodied, powerful snake likely built f… A one-in-a-million supernova seen five times could reveal the Universe’s true speed11:27 A spectacular cosmic event nicknamed “SN Winny” could help solve one of astronomy’s biggest mysteries: how fast the universe is expanding. This rare superluminous supernova, located 10 billion light-years away, appears five times in the sky thanks to gravitational lensing, creating a dazzling “cosmic fireworks” effect. By measuring the slight delays between each appearance—caused by light taking … A forgotten drug is giving new hope to kids with a rare disease11:27 A decades-old drug once used to treat sleeping sickness is now showing surprising promise against an ultra-rare and life-threatening genetic disorder called Bachmann-Bupp syndrome (BABS). Early patient treatments suggest the drug, DFMO, may ease severe symptoms by targeting the underlying genetic malfunction. Researchers have already treated a handful of patients with encouraging results, but pro… Scientists just found the Milky Way’s edge and it’s closer than expected11:27 Scientists have uncovered the true boundary of the Milky Way’s star-forming region using stellar “age mapping.” They found a telltale U-shaped pattern showing that star formation drops sharply around 35,000–40,000 light-years from the center. Beyond that, stars are mostly migrants, slowly drifting outward rather than forming in place. The discovery gives a long-sought answer to where our galaxy’s… MIT study finds children more vulnerable to cancer-causing chemical in water11:27 A troubling new study from MIT reveals that a common environmental contaminant, NDMA—found in polluted water, certain medications, and even processed foods—may pose a far greater cancer risk to children than adults. In experiments with mice, young animals exposed to the chemical developed significantly more DNA damage and cancer, despite experiencing the same initial exposure as adults. The key d… Scientists catch antimatter “atom” acting like a wave for the first time28.dubna Quantum physics once shocked scientists by revealing that particles can behave like waves—and now, that strange behavior has been pushed even further. For the first time, researchers have observed wave-like interference in positronium, an exotic “atom” made of an electron and its antimatter partner, a positron. This breakthrough not only strengthens the weird reality of quantum mechanics but also… NASA Curiosity rover finds mysterious life linked molecules on mars28.dubna Curiosity has detected a surprising variety of organic molecules on Mars, including compounds tied to the chemistry of life. Some of these molecules may be billions of years old, preserved in ancient clay-rich rocks that once held water. One standout find resembles building blocks of DNA, raising exciting questions about Mars’ past. Although not proof of life, the discovery suggests the Red Plane… MIT scientists turn chaotic laser light into powerful brain imaging tool28.dubna Scientists at MIT discovered that chaotic laser light can spontaneously form a highly focused beam instead of scattering—if the conditions are just right. This “pencil beam” enabled them to image the blood-brain barrier in 3D at speeds 25 times faster than existing techniques. The method also lets researchers watch how drugs move into brain cells in real time. It could dramatically accelerate the… Your dreams aren’t random. Here’s what’s really happening28.dubna Dreams are more structured than they seem, shaped by both personal traits and real-world experiences. Researchers found that the brain doesn’t just replay daily life—it reshapes it into imaginative, sometimes surreal scenarios. People who mind-wander more tend to have fragmented dreams, while those who value dreams experience richer ones. Even major events like the pandemic changed dream content,… Vitamin D boosts breast cancer treatment success by 79%28.dubna A daily vitamin D supplement may quietly supercharge chemotherapy. In a small study, women who took low doses alongside treatment were far more likely to see their cancer vanish than those who didn’t. Since vitamin D also supports immune function—and many patients are deficient—it could be playing a bigger role than expected. Scientists say this affordable approach deserves much deeper investigat… Maya collapse mystery deepens as scientists find no drought at key site28.dubna The mysterious collapse of the Maya civilization may not have been driven solely by drought after all. New evidence from lake sediments in Guatemala reveals that one key city, Itzan, enjoyed a stable climate even as its population abruptly vanished. Instead of environmental collapse, the findings point to something more complex: a tightly interconnected network of cities unraveling under pressure… Scientists capture electrons forming strange patchy patterns inside quantum materials28.dubna Researchers have, for the first time, directly visualized how electronic patterns known as charge density waves evolve across a phase transition. Using cutting-edge microscopy, they found these patterns form unevenly, breaking into patches influenced by tiny structural distortions. Unexpectedly, small pockets of order persist even above the transition temperature. This reveals that electronic ord… Scientists discover enzyme that could supercharge Ozempic28.dubna Researchers have found an enzyme that can turn fragile drug molecules into durable ring shapes. This could help medications like Ozempic last longer and work more effectively. The process is simpler and more precise than traditional methods, even for complex drugs. It may open the door to stronger, longer-lasting treatments. Scientists think they finally know why Neanderthals vanished28.dubna A new study suggests Neanderthals didn’t go extinct simply because of climate change or competition with Homo sapiens. Instead, the key difference may have been social connectivity—Homo sapiens formed stronger, more flexible networks that helped them survive environmental shocks. Neanderthals had connections too, but they were more fragile and regionally limited. This made them less resilient as … |