Read More 2025-12-19 Polar Bears' DNA Is Shifting as Arctic Temperatures Rise New genomic analyses link warmer, more variable conditions in south-east Greenland to increased activity of transposable elements and altered gene expression in polar bears, suggesting potential adaptive responses amid Arctic warming.
Read More 2025-12-19 Lack of Sleep Hurts Lifespan More Than Diet or Exercise A large observational study from OHSU links sleeping fewer than seven hours a night to a higher risk of premature death, showing sleep may be a stronger longevity predictor than diet or exercise.
Read More 2025-12-19 Roman Telescope Nears Launch, Set to Reveal Exoplanets NASA’s Nancy Grace Roman Telescope has completed assembly and is entering final tests. With a wide-field infrared camera and a pioneering coronagraph, Roman will map dark energy, find thousands of exoplanets, and demonstrate technologies for direct imaging.
Read More 2025-12-18 Zap-and-Freeze Reveals Ultrafast Synapse Recycling Zap-and-freeze is a high-pressure, millisecond freezing technique that captures ultrafast synaptic vesicle recycling in mouse and human brain tissue, revealing conserved mechanisms and implications for Parkinson's research.
Read More 2025-12-18 Study: Bariatric Surgery Outperforms Ozempic for Weight Loss A New York University study finds bariatric surgery yields far greater and more durable weight loss than GLP-1 drugs like semaglutide (Ozempic) in real-world patients, with stronger blood sugar improvements.
Read More 2025-12-18 Boosting COX7RP Boosts Mitochondria and Mice Lifespan A Japanese mouse study finds boosting the mitochondrial protein COX7RP increases respiratory supercomplexes, improves metabolism and muscle endurance, and extends average lifespan by about 6.6 percent.
Read More 2025-12-18 Seven-Hour Cosmic Blast: Inside GRB 250702B’s Mystery Astronomers tracked GRB 250702B, the longest gamma-ray burst observed, lasting over seven hours from a dust-rich host galaxy. Multiwavelength data suggest a relativistic jet in a dense environment and several exotic origin scenarios.
Read More 2025-12-17 Can Vegan and Vegetarian Diets Safely Fuel Child Growth? A global meta-analysis of 59 studies finds well-planned vegetarian and vegan diets can support healthy child growth and improve cholesterol, but vitamin B12, calcium, iodine and zinc shortfalls need attention and possible supplementation.
Read More 2025-12-17 P13 Neutron Star Reawakens: 100x X-ray Surge Sheds Light The neutron star NGC 7793 P13 brightened by over 100× in X-rays between 2021 and 2024. New analysis links this rebrightening to increased spin-up and changing accretion-column height, shedding light on supercritical accretion.
Read More 2025-12-17 How Earth's Deep Mantle Hid Water from the Magma Ocean New experiments reveal bridgmanite in Earth’s deep mantle could have trapped vast amounts of water during the magma ocean phase, helping the planet retain volatiles and become habitable.
Read More 2025-12-17 Nearly Half of Imminent Heart Attacks Evade Current Screens A retrospective study of 465 first heart-attack patients found ASCVD and PREVENT risk scores missed many imminent events, suggesting a role for direct atherosclerosis testing and more personalized prevention.
Read More 2025-12-17 Uranus and Neptune Reimagined: Could They Be Rock Giants? New models from University of Zurich researchers suggest Uranus and Neptune may be rock-rich and convective rather than classic 'ice giants', offering fresh explanations for their odd magnetic fields and urging new missions.
Read More 2025-12-16 Psilocybin Rewires Brain Circuits to Break Depression A mouse study using an engineered rabies virus maps how psilocybin reorganizes neural circuits, weakening cortical rumination loops and strengthening sensory-action links — a possible mechanism for its antidepressant effects.
Read More 2025-12-16 Frog-like Leafhoppers: Seven New Species Found in Uganda An Anglia Ruskin University entomologist discovered seven new frog-shaped leafhopper species in Uganda's Kibale National Park, using light traps and detailed genital morphology to distinguish cryptic species.
Read More 2025-12-16 Fish-Inspired Filter Removes Over 99% of Microplastics A University of Bonn team developed a gill-inspired washing-machine filter that captures over 99% of microplastic fibers. The low-cost, self-cleaning design concentrates fibers for easy removal and may curb textile pollution.
Read More 2025-12-16 Ancient Cycads Use Heat to Attract Beetle Pollinators Cycads use circadian heat pulses to guide beetle pollinators, a primordial pollination strategy. New research links plant AOX1 thermogenesis and beetle TRPA1 infrared sensing, with implications for evolution and conservation.
Read More 2025-12-15 Poor Sleep and Pregnancy: Breaking the Vicious Cycle Poor sleep and mental health form a self-reinforcing cycle that is especially risky during pregnancy. Learn the biology, prenatal consequences, practical strategies and when to seek clinical help.
Read More 2025-12-15 New Study: Daily Tea Linked to Stronger Bones in Older Women A Flinders University study of nearly 10,000 women finds daily tea consumption linked to modestly higher hip bone mineral density, suggesting tea may help lower osteoporosis risk while very high coffee intake could be harmful.
Read More 2025-12-15 Daily Tea May Boost Bones; High Coffee Intake Risks A 10-year study of nearly 10,000 women finds modest links between beverage habits and bone density: daily tea correlates with slightly higher hip BMD, while very high coffee intake may reduce bone strength.
Read More 2025-12-15 Tiny Robot Smaller Than a Grain of Salt Thinks, Senses Researchers at Penn and Michigan built a sub-millimeter robot with on-board computer, sensors and propulsion. This microrobot, smaller than a grain of salt, points to future biomedical uses like targeted drug delivery.
