Top Science News

Nov. 6, 2025 — Researchers have created a bioinspired gel that can regenerate tooth enamel by mimicking natural growth processes. The fluoride-free material forms a mineral-rich layer that restores enamel’s strength and structure while preventing decay. It can even repair exposed dentine and reduce sensitivity. Early testing shows it performs like natural enamel, with potential for rapid clinical ...

Nov. 5, 2025 — A Northwestern team transformed a common chemotherapy drug into a powerful, targeted cancer therapy using spherical nucleic acids. The redesign dramatically boosted drug absorption and cancer-killing power while avoiding side effects. This innovation may usher in a new era of precision nanomedicine for cancer and ...

Nov. 5, 2025 — Virginia Tech researchers have shown that memory loss in aging may be reversible. Using CRISPR tools, they corrected molecular disruptions in the hippocampus and amygdala, restoring memory in older rats. Another experiment revived a silenced memory gene, IGF2, through targeted DNA methylation editing. These findings highlight that aging brains can regain function through precise molecular ...

Nov. 6, 2025 — Researchers are exploring MXenes, 2D materials that could transform air into ammonia for cleaner fertilizers and fuels. Their atomic structures can be tuned to optimize performance, making them promising alternatives to expensive ...

Nov. 2, 2025 — Researchers at Maynooth University have achieved a forensic milestone by revealing fingerprints on fired bullet casings using a safe electrochemical process. The method uses mild voltage and non-toxic materials to make hidden ridges visible within seconds. Effective even on aged casings, it could help investigators connect evidence directly to a ...

Nov. 2, 2025 — A team of astronomers used the James Webb Space Telescope to create the first 3D atmospheric map of an exoplanet. The fiery WASP-18b, a massive “ultra-hot Jupiter,” revealed striking temperature contrasts, including regions so hot they destroy water molecules. This pioneering eclipse mapping technique lets scientists visualize alien weather in unprecedented detail and could soon be applied to ...

Nov. 2, 2025 — A pandemic-era breakthrough has allowed scientists to literally expand our view of plankton. By using ultrastructure expansion microscopy, researchers visualized the inner workings of hundreds of marine species for the first time. The effort, tied to the TREC expedition, maps the evolutionary architecture of life’s smallest ocean dwellers. It’s the start of a global atlas revealing how ...

Nov. 6, 2025 — Researchers warn Antarctica is undergoing abrupt changes that could trigger global consequences. Melting ice, collapsing ice shelves, and disrupted ocean circulation threaten sea levels, ecosystems, and climate stability. Wildlife such as penguins and krill face growing extinction risks. Scientists stress that only rapid emission reductions can avert irreversible ...

Nov. 5, 2025 — A new copper-magnesium-iron catalyst transforms CO2 into CO at low temperatures with record-breaking efficiency and stability. The discovery paves the way for affordable, scalable production of carbon-neutral synthetic ...

Nov. 5, 2025 — Scientists discovered 6-million-year-old ice in Antarctica, offering the oldest direct record of Earth’s ancient atmosphere and climate. The finding reveals a dramatic cooling trend and promises insights into greenhouse gas changes over millions of ...

Nov. 4, 2025 — When Surtsey erupted from the sea in 1963, it became a living experiment in how life begins anew. Decades later, scientists discovered that the plants colonizing this young island weren’t carried by the wind or floating on ocean currents, but delivered by birds — gulls, geese, and shorebirds serving as winged gardeners. Their findings overturn long-held beliefs about seed dispersal and reveal ...

Nov. 6, 2025 — Novo Nordisk’s oral semaglutide 25 mg achieved up to 16.6% weight loss in a landmark study, rivaling injectable Wegovy. The pill also improved cardiovascular risk factors and physical activity levels. With a safety profile consistent with existing treatments, experts see it as a breakthrough for patients preferring oral ...

Nov. 5, 2025 — Meditation is widely praised for its mental health benefits, but new research shows that it can also produce unexpected side effects for some people—from anxiety and dissociation to functional impairment. Psychologist Nicholas Van Dam and his team found that nearly 60% of meditators experienced some kind of effect, and about a third found them ...

Nov. 5, 2025 — Most U.S. adults don’t realize alcohol raises cancer risk, and drinkers themselves are the least aware. Scientists say targeting these misbeliefs could significantly reduce alcohol-related cancer ...

Nov. 4, 2025 — Walking a few thousand steps daily may help hold off Alzheimer’s for years, a Mass General Brigham study found. Even moderate physical activity slowed both cognitive decline and the buildup of harmful tau proteins in the brain. The researchers say these results show lifestyle changes can meaningfully delay Alzheimer’s symptoms, especially in early ...

Nov. 4, 2025 — Using powerful 7-Tesla brain imaging, researchers mapped how the brainstem manages pain differently across the body. They discovered that distinct regions activate for facial versus limb pain, showing the brain’s built-in precision pain control system. The findings could lead to targeted, non-opioid treatments that use cannabinoid mechanisms instead of opioids, offering safer pain relief ...

Nov. 3, 2025 — Disrupted sleep patterns in Alzheimer’s disease may be more than a symptom—they could be a driving force. Researchers at Washington University found that the brain’s circadian rhythms are thrown off in key cell types, changing when hundreds of genes turn on and off. This disruption, triggered by amyloid buildup, scrambles normal gene timing in microglia and astrocytes—cells vital for ...

Nov. 2, 2025 — Cognitive struggles are climbing across the U.S., especially among young and economically disadvantaged adults. Rates of self-reported cognitive disability nearly doubled in people under 40 between 2013 and 2023. Researchers suspect social and economic inequality plays a major role and are urging further study to understand the trend’s causes and long-term ...

Nov. 4, 2025 — Scientists at Mizzou have identified two small molecules, agmatine and thiamine, that could both reveal and fight glaucoma. Their research shows these compounds are lower in glaucoma patients, suggesting they may serve as early warning markers. Even better, they might help protect retinal cells from damage, potentially slowing or stopping vision loss. The discovery could revolutionize how the ...

Nov. 4, 2025 — Long-term melatonin use for sleep problems may come with unexpected heart dangers. Researchers found that chronic users were almost twice as likely to die and 3.5 times more likely to be hospitalized for heart failure. Though melatonin is widely regarded as harmless, experts now urge caution with extended ...

Nov. 3, 2025 — Scientists have discovered that a “longevity gene” found in people who live beyond 100 can reverse heart aging in models of Progeria, a devastating disease that causes children to age rapidly. By introducing this supercentenarian gene into Progeria-affected cells and mice, researchers restored heart function, reduced tissue damage, and slowed aging symptoms. The discovery opens the door to ...

Nov. 1, 2025 — Researchers discovered that altering the body’s natural rhythm can help protect the brain from Alzheimer’s damage. By turning off a circadian protein in mice, they raised NAD+ levels and reduced harmful tau buildup. The findings suggest that adjusting the body’s clock may one day help prevent ...

Nov. 2, 2025 — Scientists have achieved a breakthrough in light manipulation by using topological insulators to generate both even and odd terahertz frequencies through high-order harmonic generation (HHG). By embedding these exotic materials into nanostructured resonators, the team was able to amplify light in unprecedented ways, confirming long-theorized quantum effects. This discovery opens the door to new ...

Nov. 2, 2025 — Cambridge researchers have engineered a solar-powered “artificial leaf” that mimics photosynthesis to make valuable chemicals sustainably. Their biohybrid device combines organic semiconductors and enzymes to convert CO₂ and sunlight into formate with high efficiency. It’s durable, non-toxic, and runs without fossil fuels—paving the way for a greener chemical ...

Oct. 30, 2025 — From mini-brains to spider-inspired gloves and wolf apple coatings, scientists are turning eerie-sounding experiments into real innovations that could revolutionize health and sustainability. Lab-grown brain organoids may replace animal testing, spider-silk gloves could create instant wound dressings, wolf apple starch keeps veggies fresh, and researchers even found microplastics lurking in human ...

Oct. 14, 2025 — High above the Sun’s blazing equator lie its mysterious poles, the birthplace of fast solar winds and the heart of its magnetic heartbeat. For decades, scientists have struggled to see these regions, hidden from Earth’s orbit. With the upcoming Solar Polar-orbit Observatory (SPO) mission, humanity will finally gain a direct view of the poles, unlocking secrets about the Sun’s magnetic ...

Oct. 12, 2025 — A colossal northern asteroid impact billions of years ago likely shaped the Moon’s south polar region and explains its uneven terrain. Researchers found that the South Pole-Aitken Basin formed from a glancing northern strike, revealing deep materials from the Moon’s interior. This discovery sheds light on how KREEP elements gathered on the near side, driving volcanic activity. Artemis ...

Oct. 12, 2025 — ESA’s Mars orbiters have observed comet 3I/ATLAS, only the third interstellar comet ever discovered. The faint, distant object revealed a glowing coma as it was heated by the Sun. Researchers are still studying the data to understand its makeup and origins. This rare event also foreshadows future missions like the Comet Interceptor, designed to chase such elusive ...

Oct. 9, 2025 — Mars may look calm, but new research reveals it’s a world of fierce winds and swirling dust devils racing at hurricane-like speeds. Using deep learning on thousands of satellite images from European orbiters, scientists have discovered that Martian winds can reach up to 160 km/h — much stronger than previously thought. These powerful gusts play a key role in shaping the planet’s weather and ...

Nov. 5, 2025 — USC researchers built artificial neurons that replicate real brain processes using ion-based diffusive memristors. These devices emulate how neurons use chemicals to transmit and process signals, offering massive energy and size advantages. The technology may enable brain-like, hardware-based learning systems. It could transform AI into something closer to natural ...

Nov. 1, 2025 — More screen time among children and teens is linked to higher risks of heart and metabolic problems, particularly when combined with insufficient sleep. Danish researchers discovered a measurable rise in cardiometabolic risk scores and a metabolic “fingerprint” in frequent screen users. Experts say better sleep and balanced daily routines can help offset these effects and safeguard lifelong ...

Oct. 28, 2025 — Researchers at Tsinghua University developed the Optical Feature Extraction Engine (OFE2), an optical engine that processes data at 12.5 GHz using light rather than electricity. Its integrated diffraction and data preparation modules enable unprecedented speed and efficiency for AI tasks. Demonstrations in imaging and trading showed improved accuracy, lower latency, and reduced power demand. This ...

Oct. 14, 2025 — UMass Amherst engineers have built an artificial neuron powered by bacterial protein nanowires that functions like a real one, but at extremely low voltage. This allows for seamless communication with biological cells and drastically improved energy efficiency. The discovery could lead to bio-inspired computers and wearable electronics that no longer need power-hungry amplifiers. Future ...

Nov. 3, 2025 — Scientists uncovered how the amino acid leucine enhances mitochondrial efficiency by preserving crucial proteins that drive energy production. By downregulating the protein SEL1L, leucine prevents unnecessary degradation and strengthens the cell’s power output. The findings link diet directly to mitochondrial health and suggest potential therapeutic applications for energy-related ...

Nov. 3, 2025 — Penn State scientists uncovered an ancient bacterial defense where dormant viral DNA helps bacteria fight new viral threats. The enzyme PinQ flips bacterial genes to create protective proteins that block infection. Understanding this mechanism could lead to breakthroughs in antivirals, antibiotic alternatives, and industrial ...

Nov. 2, 2025 — Researchers discovered that soil microbes in Kansas carry drought “memories” that affect how plants grow and survive. Native plants showed stronger responses to these microbial legacies than crops like corn, hinting at co-evolution over time. Genetic analysis revealed a key gene tied to drought tolerance, potentially guiding biotech efforts to enhance crop resilience. The work connects ...

Nov. 4, 2025 — Once considered geologically impossible, earthquakes in stable regions like Utah and Groningen can actually occur due to long-inactive faults that slowly “heal” and strengthen over millions of years. When reactivated—often by human activities—these faults release all that built-up stress in one powerful event before stabilizing again. This discovery reshapes how scientists assess ...

Nov. 4, 2025 — Even with futuristic geoengineering methods like Stratospheric Aerosol Injection, the fate of wine, coffee, and cacao crops remains uncertain. Scientists found that while this intervention could slightly cool the planet, it cannot stabilize the erratic rainfall and humidity that devastate yields. The findings reveal that only a fraction of major ...

Nov. 3, 2025 — Bamboo tissue paper, often marketed as an eco-friendly alternative, may not be as green as consumers think. Researchers at NC State University found that while bamboo fibers themselves are not more polluting than wood, China’s coal-dependent energy grid results in a higher carbon footprint for bamboo-based products compared to North American wood tissue. The study emphasizes that manufacturing ...

Nov. 3, 2025 — UIC researchers predict that the Sahara Desert could see up to 75% more rain by the end of this century due to rising global temperatures. Using 40 climate models, the team found widespread precipitation increases across Africa, though some regions may dry out. The results suggest a major rebalancing of the continent’s climate. Scientists stress that adaptation planning is essential to prepare ...

Oct. 26, 2025 — New research shows that hippos lived in central Europe tens of thousands of years longer than previously thought. Ancient DNA and radiocarbon dating confirm they survived in Germany’s Upper Rhine Graben during a milder Ice Age phase. Closely related to modern African hippos, they shared the landscape with cold-adapted giants like mammoths. The finding rewrites Ice Age history and suggests ...

Oct. 26, 2025 — Researchers have uncovered microbial evidence in the remains of Napoleon’s soldiers from the 1812 Russian retreat. Genetic analysis revealed pathogens behind paratyphoid and relapsing fever, diseases likely contributing to the army’s massive losses. Using advanced DNA sequencing, the team pieced together centuries-old infection clues, connecting historical accounts with modern science. Their ...

Oct. 16, 2025 — Long before humans built cities or wrote words, our ancestors may have faced a hidden threat that shaped who we became. Scientists studying ancient teeth found that early humans, great apes, and even Neanderthals were exposed to lead millions of years ago. This toxic metal can damage the brain, yet modern humans developed a tiny genetic change that protected our minds and allowed language and ...

Oct. 11, 2025 — Researchers have unearthed South America’s first amber deposits containing ancient insects in an Ecuadorian quarry, offering a rare 112-million-year-old glimpse into life on the supercontinent Gondwana. The amber, found in the Hollín Formation, preserved a diverse range of insect species and plant material, revealing a humid, resin-rich forest ...

Oct. 13, 2025 — Vast amounts of valuable research data remain unused, trapped in labs or lost to time. Frontiers aims to change that with FAIR² Data Management, a groundbreaking AI-driven system that makes datasets reusable, verifiable, and citable. By uniting curation, compliance, peer review, and interactive visualization in one platform, FAIR² empowers scientists to share their work responsibly and gain ...

Oct. 13, 2025 — Overdose deaths from fentanyl mixed with stimulants have skyrocketed among seniors, increasing 9,000% in just eight years. Once thought to affect mainly the young, the opioid epidemic’s fourth wave now engulfs older adults too. Cocaine and methamphetamine are the leading culprits, and experts warn that multi-drug use makes these overdoses ...

Oct. 11, 2025 — Men’s heavy drinking is fueling a hidden crisis affecting millions of women and children worldwide. The harms, from violence to financial instability, are especially severe where gender inequality is high. Experts warn that alcohol policies must include gender-responsive strategies to protect vulnerable families. They call for reforms combining regulation, prevention, and community ...

Sep. 16, 2025 — Preschoolers with ADHD are often given medication right after diagnosis, against medical guidelines that recommend starting with behavioral therapy. Limited access to therapy and physician pressures drive early prescribing, despite risks and reduced effectiveness in young ...

Aug. 26, 2025 — Australian teachers are in crisis, with 9 in 10 experiencing severe stress and nearly 70% saying their workload is unmanageable. A major UNSW Sydney study found teachers suffer depression, anxiety, and stress at rates three to four times higher than the national average, largely driven by excessive administrative tasks. These mental health struggles are pushing many to consider leaving the ...

June 3, 2025 — The effects of artificial intelligence on adolescents are nuanced and complex, according to a new report that calls on developers to prioritize features that protect young people from exploitation, manipulation and the erosion of real-world ...

May 26, 2025 — A new study examines the emergence of overimitation in infants aged between 16 and 21 months to see if and how it is linked to social affiliation and other forms of imitation. The researchers found that young children engaged in low rates of overimitation and that it was not driven by in-group preference -- meaning they were not acting to please ...

Aug. 21, 2025 — 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 thinning could prevent forests from collapsing into shrubland ...

May 27, 2025 — A new study shows that people who proactively reorganise their family routines -- such as adjusting childcare schedules or redistributing domestic responsibilities -- are more likely to demonstrate adaptability and innovation at ...

May 22, 2025 — As the US national debate intensifies around immigration, a new study is challenging conventional wisdom about 'brain drain'--the idea that when skilled workers emigrate from developing countries, their home economies ...

May 21, 2025 — The way people express emotions while helping others can influence whether their assistance is welcomed, resented, or reciprocated, according to new ...