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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 map the brain’s hidden wiring using RNA barcodes in major breakthrough3:49 Researchers have developed a cutting-edge technique that uses RNA “barcodes” to map how neurons connect, capturing thousands of links with single-synapse precision. The method transforms brain mapping into a sequencing task, making it faster and more scalable than traditional approaches. In mice, it revealed surprising new connections between brain cells that were previously unknown. This could o… Scientists discover reversible male birth control that stops sperm production3:16 Scientists at Cornell University may be closing in on the long-sought “holy grail” of male contraception: a safe, reversible, nonhormonal method that completely halts sperm production. In a breakthrough mouse study, researchers used a compound called JQ1 to temporarily shut down meiosis—the critical process that produces sperm—without causing lasting harm. After treatment stopped, sperm productio… Your vitamin D levels in midlife could shape your brain decades later3:16 Vitamin D levels in midlife may play a bigger role in long-term brain health than previously thought. In a study following nearly 800 people over 16 years, those with higher vitamin D levels in their 30s and 40s had lower levels of tau protein later on, a key marker linked to dementia. Scientists solve 30-year mystery of a hidden nutrient that protects the brain and fights cancer3:16 Scientists have finally uncovered the missing link in how our bodies absorb queuosine, a rare micronutrient crucial for brain health, memory, stress response, and cancer defense. For decades, researchers suspected a transporter had to exist, but it remained elusive—until now. By identifying the gene SLC35F2 as the gateway into cells, this breakthrough opens new possibilities for therapies and hig… Scientists just watched Alzheimer’s damage happen in real time3:16 Scientists at Oregon State University have captured something researchers have long struggled to see: the real-time chemical interactions that help drive Alzheimer’s disease. By watching how metal ions—especially copper—trigger harmful protein clumping in the brain, the team uncovered a clearer picture of how the disease develops at a molecular level. This “master gene” may be driving pancreatic cancer’s spread3:16 A gene called KLF5 may be a key force behind the spread of pancreatic cancer—but not in the way scientists expected. Rather than mutating DNA, it rewires how genes are turned on and off, helping tumors grow and invade new areas. Researchers found it plays a major role in metastatic cells and even controls other genes linked to cancer progression. The discovery opens the door to new treatments tha… Scientists say 7 days of meditation can rewire your brain10:09 A single week of intensive meditation and mind-body practices led to measurable changes across the brain and body. Researchers observed improved brain efficiency, boosted immune signaling, and increased natural pain relief chemicals in participants’ blood. The effects even promoted neuron growth and stronger brain connectivity. Surprisingly, the experience mirrored psychedelic-like brain states—w… This diet could slash cholera infections by up to 100x10:09 A surprising new study reveals that what you eat could play a powerful role in fighting cholera, a deadly diarrheal disease. Researchers found that diets rich in certain proteins—especially casein from dairy and wheat gluten—can dramatically reduce the ability of cholera bacteria to take hold in the gut, in some cases cutting infection levels by up to 100 times. These proteins appear to disable a… This new chip survives 1300°F (700°C) and could change AI forever7:59 A team of engineers has created a breakthrough memory device that keeps working at temperatures hotter than molten lava, shattering one of electronics’ biggest limits. Built from an unusual stack of ultra-durable materials, the tiny component can store data and perform calculations even at 700°C (1300°F), far beyond what today’s chips can handle. The discovery was partly accidental, but it reveal… Scientists found a “lost world” of animals that shouldn’t exist yet6:21 A remarkable fossil discovery in southwest China is rewriting the story of how complex animal life began, showing that many key animal groups appeared millions of years earlier than scientists once believed. Dating back over 540 million years, the fossils reveal a surprisingly diverse and advanced ecosystem from the late Ediacaran period—before the famous Cambrian explosion. Among the finds are e… Scientists discover the “Goldilocks” secret behind life on Earth6:21 Earth may have won a cosmic chemistry lottery. Researchers found that during the planet’s earliest formation, oxygen had to be in an extremely narrow “Goldilocks zone” for two life-essential elements, phosphorus and nitrogen, to stay where life could use them. Too much or too little oxygen, and those ingredients could be lost or trapped deep inside the planet. This could reshape the search for li… This “forbidden” exoplanet has an atmosphere scientists can’t explain6:21 A strange “forbidden” planet spotted by the James Webb Space Telescope is turning planetary science on its head. TOI-5205 b, a Jupiter-sized world orbiting a small, cool star, has an atmosphere surprisingly poor in heavy elements—even less enriched than its own star, which defies current theories of how giant planets form. Earth’s most powerful ocean current didn’t form the way we thought6:21 A colossal ocean current encircling Antarctica—stronger than all the world’s rivers combined—played a far more complex role in shaping Earth’s climate than scientists once thought. New research shows it didn’t form just because ocean gateways opened, but required shifting continents and powerful winds to align. This shift helped pull carbon dioxide out of the atmosphere, contributing to a major c… Scientists discover hidden brain switch that tells you to stop eating7.dubna Your brain’s “stop eating” signal may come from an unexpected source. Researchers found that astrocytes—once thought to just support neurons—actually play a key role in controlling appetite. After a meal, glucose triggers tanycytes, which send signals to astrocytes that then activate fullness neurons. This newly discovered pathway could lead to innovative treatments for obesity and eating disorde… The brain might not create consciousness after all7.dubna Is consciousness something the brain produces, or is it woven into the fabric of reality itself? Renowned neuroscientist Christof Koch is challenging long-held scientific assumptions by confronting the “hard problem” of consciousness — why and how subjective experience exists at all. He highlights growing tensions between neuroscience, physics, and unexplained phenomena like near-death experience… |