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Top Science News

September 20, 2025

Scientists have uncovered how exercise suppresses appetite through a surprising molecular pathway. A compound called Lac-Phe, produced during intense workouts, directly quiets hunger neurons in the brain while boosting appetite-suppressing ones, ...
CHESS thin-film materials nearly double refrigeration efficiency compared to traditional methods. Scalable and versatile, they promise applications from household cooling to space ...
New research reveals lymphoma can directly accelerate aging in the immune system and vital organs, independent of treatments like chemotherapy. The changes, sometimes reversible, highlight a hidden dimension of cancer—and possible new paths for ...
Despite strong evidence that salt substitutes can safely lower sodium intake and reduce high blood pressure, very few Americans use them. A new analysis of nearly 20 years of national health data found that usage peaked at just over 5% and then ...
For decades, scientists have puzzled over why smoking makes Crohn’s disease worse but seems to protect people from ulcerative colitis. Now, researchers at RIKEN have discovered that smoking creates metabolites like hydroquinone that allow mouth ...
From the wreck of the royal Danish-Norwegian flagship Gribshunden, archaeologists have uncovered a rare glimpse into the naval power of the late Middle Ages. This warship, lost in 1495, carried an arsenal of small guns designed for close-range ...
Egg-eating worms living on Chesapeake Bay blue crabs may hold the key to smarter fishery management. Once thought to be a threat, these parasites actually serve as natural biomarkers that reveal when ...
Mayo Clinic scientists uncovered how excessive drinking triggers fatty liver disease by disrupting the enzyme VCP, which normally prevents harmful protein buildup on fat droplets in the liver. ...
Alcohol-associated liver disease is becoming a massive health and economic burden, but researchers at UC San Diego may have uncovered a new way forward. They discovered that chronic alcohol use blocks a crucial protein that normally helps keep gut ...
Wildfires are no longer a seasonal nuisance but a deadly, nationwide health crisis. Fueled by climate change, smoke is spreading farther and lingering longer, with new research warning of tens of thousands of additional deaths annually by ...
Microplastics have been detected in human blood, brain tissue, and even bones, where they may weaken skeletal structure and accelerate cell aging. Recent studies suggest that these particles could worsen metabolic bone diseases like osteoporosis, a ...
A sweeping investigation has revealed widespread fraud in mathematics publishing, where commercial metrics and rankings have incentivized the mass production of meaningless or flawed papers. The study highlights shocking distortions—such as a ...

Latest Top Headlines

updated 12:11pm EDT

Health News

September 20, 2025

Scientists in Zurich have shown that stem cell transplants can reverse stroke damage by regenerating neurons, restoring motor functions, and even repairing blood vessels. The breakthrough not only healed mice with stroke-related impairments but also ...
Switching clocks twice a year disrupts circadian rhythms in ways that harm health. Stanford scientists found permanent standard time would reduce obesity and stroke rates nationwide, making it the ...
Some people taking Ozempic, Wegovy, or Mounjaro notice that food suddenly tastes sweeter or saltier, and this subtle shift in flavor perception appears tied to reduced appetite and stronger feelings ...
People taking semaglutide report far fewer obsessive thoughts about food, with cravings dropping sharply and mental health improving. This new research hints the drug may offer freedom from the constant distraction of food ...
Eating more like the Mediterranean—rich in vegetables, legumes, fruits, and olive oil—may do more than just support heart health. A new King’s College London study suggests it also protects against gum disease by lowering inflammation markers ...
Researchers from the University of Waterloo discovered that measuring long-term stress through children’s hair samples can reveal early signs of mental health risks in those living with chronic physical illnesses. Children with persistently high ...
Nature has long been the source of lifesaving medicines, from willow bark’s natural aspirin to new discoveries in tropical fruits. Now, chemists at the University of Delaware have pioneered a way to recreate powerful molecules from guava plants ...
Eye drops combining pilocarpine and diclofenac helped patients read extra lines on vision charts, with effects lasting up to two years. The treatment could revolutionize presbyopia care as a safe, non-surgical alternative to ...
A massive study of over 4 million adults has revealed that cannabis use may nearly quadruple the risk of developing diabetes. Despite some earlier suggestions that cannabis might have metabolic benefits, this large analysis found significantly ...
Chronic insomnia may do more than leave you groggy, it could speed up brain aging. A large Mayo Clinic study found that people with long-term sleep troubles were 40% more likely to develop dementia or cognitive impairment, with brain scans showing ...
Researchers trained AI on tens of thousands of eye scans, enabling doctors to predict which keratoconus patients need early treatment and which can be safely monitored, cutting down on unnecessary procedures while preventing vision ...
A massive Danish study reveals that despite the remarkable weight-loss benefits of semaglutide, more than half of adults without diabetes stop using it within a year. High costs, unpleasant side effects, and underlying medical or psychiatric ...

Latest Health Headlines

updated 12:11pm EDT

Physical/Tech News

September 20, 2025

Scientists in Korea have engineered magnetic nanohelices that can control electron spin with extraordinary precision at room temperature. By combining structural chirality and magnetism, these nanoscale helices can filter spins without complex ...
Quantum materials, defined by their photon-like electrons, are opening new frontiers in material science. Researchers have synthesized organic compounds that display a universal magnetic behavior tied to a distinctive feature in their band ...
Scientists have finally unlocked a way to identify the elusive W state of quantum entanglement, solving a decades-old problem and opening paths to quantum teleportation and advanced quantum ...
Physicists have achieved a breakthrough by using a 58-qubit quantum computer to create and observe a long-theorized but never-before-seen quantum phase of matter: a Floquet topologically ordered state. By harnessing rhythmic driving in these quantum ...
For the first time, scientists have observed electrons in graphene behaving like a nearly perfect quantum fluid, challenging a long-standing puzzle in physics. By creating ultra-clean samples, the team at IISc uncovered a surprising decoupling of ...
Physicists have unveiled a new superconducting detector sensitive enough to hunt dark matter particles smaller than electrons. By capturing faint photon signals, the device pushes the search into uncharted ...
Scientists caution that asteroid deflection must be precise, as striking the wrong spot risks sending it through a gravitational keyhole that sets up a future collision with Earth. Using lessons from NASA’s DART mission, researchers are developing ...
Artificial intelligence is consuming enormous amounts of energy, but researchers at the University of Florida have built a chip that could change everything by using light instead of electricity for a core AI function. By etching microscopic lenses ...
Artificial intelligence is reshaping law, ethics, and society at a speed that threatens fundamental human dignity. Dr. Maria Randazzo of Charles Darwin University warns that current regulation fails to protect rights such as privacy, autonomy, and ...
Scientists at the University of Tokyo have unveiled “gold quantum needles,” a newly discovered nanocluster structure formed under unusual synthesis conditions. Unlike typical spherical clusters, these elongated, pencil-shaped formations display ...
Scientists have created a transparent solar coating that turns ordinary windows into clean energy generators without affecting clarity. Using cholesteric liquid crystal layers, the coating redirects polarized sunlight to the window edges where solar ...
A hidden quantum geometry that distorts electron paths has finally been observed in real materials. This “quantum metric,” once thought purely theoretical, may revolutionize electronics, superconductivity, and ultrafast ...

Latest Physical/Tech Headlines

updated 12:11pm EDT

Environment News

September 20, 2025

Heating alone won’t drive soil microbes to release more carbon dioxide — they need added carbon and nutrients to thrive. This finding challenges assumptions about how climate warming influences soil ...
Scientists at Cold Spring Harbor Laboratory have cracked open the secrets of plant stem cells, mapping key genetic regulators in maize and Arabidopsis. By using single-cell RNA sequencing, they created a gene expression atlas that identifies rare ...
Volcanic eruptions on the remote island of Nishinoshima repeatedly wipe the land clean, giving scientists a rare chance to study life’s earliest stages. Researchers traced the genetic origins of an ...
Researchers discovered two new parasitic wasp species living in the U.S., tracing their origins back to Europe and uncovering clues about how they spread. Their arrival raises fresh questions about biodiversity, ecological risks, and the role of ...
Hidden within Arctic ice, diatoms are proving to be anything but dormant. New Stanford research shows these glass-walled algae glide through frozen channels at record-breaking subzero temperatures, powered by mucus-like ropes and molecular motors. ...
Barrels dumped off Southern California decades ago have been found leaking alkaline waste, not just DDT, leaving behind eerie white halos and transforming parts of the seafloor into toxic vents. The findings reveal a persistent and little-known ...
Flathead catfish are rapidly reshaping the Susquehanna River’s ecosystem. Once introduced, these voracious predators climbed to the top of the food chain, forcing native fish like channel catfish and bass to shift diets and habitats. Using stable ...
Plants are spreading across the globe faster than ever, largely due to human activity, and new research shows that the very same traits that make plants thrive in their native lands also drive their success abroad. A study of nearly 4,000 European ...
Tiny ocean microbes called Prochlorococcus, once thought to be climate survivors, may struggle as seas warm. These cyanobacteria drive 5% of Earth’s photosynthesis and underpin much of the marine food web. A decade of research shows they thrive ...
New research has revealed that East Antarctica’s vast and icy interior is heating up faster than its coasts, fueled by warm air carried from the Southern Indian Ocean. Using 30 years of weather station data, scientists uncovered a hidden climate ...
Cambridge scientists discovered that thin, weak zones in Earth’s plates helped spread Iceland’s mantle plume across the North Atlantic, explaining why volcanic activity once spanned thousands of kilometers. These ancient scars not only shaped ...
Every year, Panama’s Pacific coast benefits from powerful seasonal winds that drive nutrient-rich waters to the surface, sustaining fisheries and protecting coral reefs. But in 2025, for the first time in at least four decades, this crucial ...

Latest Environment Headlines

updated 12:11pm EDT

Society/Education News

September 20, 2025

Once a universal feature of human psychology, the “unhappiness hump” in midlife has disappeared, replaced by a new trend: mental health is worst in youth and improves with age. Data from the U.S., U.K., and dozens of countries suggest today’s ...
Knee osteoarthritis is a major cause of pain and disability, but routine X-rays often do more harm than good. New research shows that being shown an X-ray can increase anxiety, make people fear exercise, and lead them to believe surgery is the only ...
Researchers uncovered that the Maui wildfires caused a spike in deaths far higher than reported, with hidden fatalities linked to fire, smoke, and lack of medical access. They warn that prevention rooted in Native Hawaiian ecological knowledge is ...
Industrial forests, packed with evenly spaced trees, face nearly 50% higher odds of megafires than public lands. A lidar-powered study of California’s Sierra Nevada reveals how dense plantations feed fire severity, but also shows that proactive ...
In a health system where speed often replaces empathy, researchers highlight the life-changing power of listening. Beyond simple questions, values-driven listening—marked by presence, curiosity, and compassion—can transform both patients and ...
A new study reveals that an earthquake early warning system, similar to the USGS ShakeAlert used in California, Oregon, and Washington, could give Alaskan communities precious seconds to prepare before strong shaking hits. Modeling shows that towns ...
Cats can naturally develop dementia with brain changes strikingly similar to Alzheimer’s disease in humans, including toxic amyloid-beta buildup and loss of synapses. A new study shows these similarities could make cats valuable natural models for ...
A study finds that people are more open to plant-based eggs when they’re part of familiar foods, like pancakes, rather than served plain. While taste and appearance still favor regular eggs, vegan eggs score higher on environmental and ethical ...
Every time someone snaps a wildlife photo with iNaturalist, they might be fueling breakthrough science. From rediscovering lost species to helping conservation agencies track biodiversity and invasive threats, citizen observations have become vital ...
Women who drank heavily, even though they strongly wished to avoid pregnancy, were 50% more likely to become pregnant than those who drank little or not at all, according to new research. Surprisingly, cannabis use didn t show the same ...
Scientists at the University of Toronto have developed a new non-stick material that rivals the performance of traditional PFAS-based coatings while using only minimal amounts of these controversial ...
Even people who never caught Covid-19 may have aged mentally faster during the pandemic, according to new brain scan research. This large UK study shows how the stress, isolation, and upheaval of lockdowns may have aged our brains, especially in ...

Latest Society/Education Headlines

updated 12:11pm EDT