How 2 US, European Satellites Are Studying Hurricanes During El Niño
NASA and European partners launched Sentinel-6B satellite last November to improve hurricane forecasts and protect infrastructure. The new satellite flies 30 seconds behind its predecessor while both provide precise sea level height measurements during an anticipated historic El Niño event.
Scientists find a bone-building switch that could fight osteoporosis
An experimental compound called AP503 strengthened bones in mice by activating GPR133, a receptor that increases bone formation and slows bone loss. The same treatment also enhanced muscle strength, suggesting potential applications for treating osteoporosis and age-related decline.
Ozempic and Wegovy linked to nearly 40% fewer asthma attacks
Semaglutide was associated with nearly 40% fewer asthma attacks and about 20% fewer COPD flare-ups in a large real-world study. Researchers note that clinical trials are needed to confirm these potential respiratory benefits beyond the drug's established effects on diabetes and obesity.
The Download: OpenAI’s turning point for math and a battery record
OpenAI's AI agents solved an important open problem in mathematics, marking potential progress in mathematical problem-solving. The company's achievement represents a significant development in AI capabilities, though details about the specific mathematical breakthrough remain limited in the provided text.
AI Models Are Watermarking Text—Will You Notice?
Anthropic announced that all future Claude models will embed watermarks identifying text as AI-generated, following Google's approach and ahead of the EU AI Act's August 2026 mandate. Text watermarks remain less deployed than image and video watermarks, which achieve detection rates above 99 percent.
Batteries just broke another record in the US
Battery installations in the US reached 20.2 gigawatt-hours of new capacity in the second quarter of 2026, setting a record. This capacity is sufficient to meet the daily electricity needs of approximately 700,000 homes.
Interstellar comet 3I/ATLAS is bursting with methanol
An interstellar comet called 3I/ATLAS contains exceptionally high levels of methanol, indicating formation under different conditions than solar system comets. ALMA detected tiny icy grains around the comet releasing methanol, providing detailed observations of an object from another star system.
Chinese scientists find a hidden atomic structure that unlocks methane
A hidden atomic structure on nickel oxide surfaces proves more effective than metallic nickel at converting methane. A catalyst with low nickel content matched the performance of one containing 10 times more metal.
Geologists reveal the Americas collided millions of years earlier than thought
Volcanic rocks in Colombia show through magnetic signatures that major tectonic deformation had significantly weakened by the late Miocene period. This evidence indicates the collision between Central and South America occurred millions of years earlier than geologists previously estimated.
GPS collars reveal secrets of the power struggle between lions and hyenas in the wild
GPS collars tracking individual animals revealed that lions, particularly males, approach hyenas during encounters while hyenas retreat rather than simply following lions for food scraps. The study mapped movements across huge territories through terrain impassable by vehicles to document this competitive dynamic between the carnivore species.
Chesapeake Bay underwater grasses increase 7%, buoyed by gains in salty waters
Submerged aquatic vegetation in the Chesapeake Bay increased by 7% in 2025, with most gains occurring in saltier water areas. Researchers at William & Mary's VIMS and Batten School documented this rise in the bay's key ecosystem health indicator.
Tiny backpacks reveal the secret, sometimes circuitous migrations of small songbirds
Researchers attached tiny tracking devices to yellow-rumped warblers to monitor their migration routes. The warblers, identifiable by their distinctive buttery yellow tail patches, revealed complex and sometimes indirect migration paths through backpack-mounted trackers.
Google DeepMind Maps 9 Billion Possible DNA Variants
Google DeepMind's AlphaGenome AI model has mapped predictions for all 9 billion possible single-letter DNA changes and how they affect gene regulation. The tool compares original DNA sequences with altered ones to predict effects on gene expression across the entire human genome.
Scientists discover a powerful new antivenom hidden in rattlesnake blood
Toxin-blocking proteins found in rattlesnake blood can neutralize venom from multiple dangerous snake species with about 10 times more potency than current commercial antivenom. Lab tests showed that combinations of these naturally occurring proteins offer a potential model for developing new snakebite treatments based on mechanisms already present in nature.
Your personality may be more genetic than scientists realized
Researchers identified over 1,200 genetic variants linked to the Big Five personality traits, with many variants also associated with health, longevity, careers, and income. The study demonstrates significant genetic connections between personality and life outcomes while confirming that environmental factors remain influential.
Ozempic and Wegovy may have an unexpected mental health benefit
Semaglutide use was linked to a 21% lower risk of psychiatric hospitalization in a Swedish study of nearly 15,000 people with bipolar disorder. Researchers hypothesize the drug's effects on inflammation and brain-related biological pathways could stabilize mood, though other GLP-1 drugs did not show this association.
Giant new dinosaur discovered beneath construction site in Brazil
Scientists identified a new giant dinosaur from Brazil that reached approximately 20 meters long and lived 120 million years ago. The discovery reveals evolutionary connections to a Spanish dinosaur, suggesting ancestors crossed ancient land bridges between Europe, Africa, and South America.
Scientists observe Einstein’s gravity in the quantum world for the first time
Researchers split an ultracold atom's quantum wave into two parts, held one stationary while dropping the other under gravity, then recombined them to measure differences. This experiment directly observed a quantum gravitational effect predicted by Einstein's theory by measuring tiny variations produced when half the atom fell freely.
Changing the antibiotic playbook to catch an ESKAPE artist
A stray mold contaminating Alexander Fleming's bacterial culture plate in 1928 led to the discovery of penicillin, which transformed treatment of bacterial infections. This accidental finding launched the antibiotic age and made previously fatal conditions like infected wounds survivable through antimicrobial medication.
Advanced optical imaging reveals hidden activity in blood immune cells
Advanced optical imaging revealed the metabolic activity of individual immune cells in blood samples by detecting previously hidden functional information. This method avoids the fluorescent labeling and cell preparation procedures that traditional identification techniques require.
Popular brain supplement linked to shorter lifespan in men
Higher blood levels of the amino acid tyrosine were linked to shorter lifespans in men by nearly a year in a study of over 270,000 people. Tyrosine occurs naturally in protein-rich foods and is sold as a supplement for mental performance, though no significant effect was observed in women.
How bird movements are helping researchers track a global virus
Researchers at Deakin University have been tracking bird movements for years to anticipate avian influenza outbreaks. The highly virulent strain was recently discovered in Australia, and scientists use bird migration patterns to monitor virus spread.
Scientists find breast cancer cells hiding behind protective “shields”
Scientists discovered dormant breast cancer cells surrounded by protective immune and connective tissue cells that can survive chemotherapy and reactivate later. These hidden pockets of quiet cells were found through detailed tumor mapping and may explain cancer recurrence after treatment.
Six unusual structures identified at Earth's core-mantle boundary with the help of deep learning
Deep learning analysis of seismic waves revealed six continuous bands of irregularities at Earth's core-mantle boundary, located 2,900 kilometers below the surface. These structures were previously detected only as scattered patches rather than as the connected formations now identified through machine learning.
Scientists discover a hidden problem with this popular sugar substitute
The body converts sorbitol, a sugar alcohol used in sugar-free products, into fructose in the liver. This conversion may cause the same metabolic problems associated with consuming regular fructose.
The extinct American 'cheetah' was not a cheetah after all
Miracinonyx trumani, an extinct North American cat long considered a cheetah analog, was actually more closely related to pumas according to new genetic analysis. Some Arctic populations hunted almost exclusively on fish rather than pursuing fast prey like pronghorns.
Extreme pressure turns blue pigment into record-long single-atom copper chains
Extreme pressure transformed blue copper pigment into single-atom copper chains measuring up to 10 nanometers long. These chains could potentially function as molecular wires for electronics when traditional silicon-based components reach their physical limits.
'Quiet' pulsar suddenly reveals three glitches in 15 years of observations
A young neutron star pulsar exhibited three rotational glitches over 15 years of observations, with one altering its rotation rate by nearly 3 parts per million. The pulsar PSR J1637−4642 had previously shown no signs of such glitches since its discovery using the Parkes radio telescope.
Indigenous knowledge helps reveal the ties between reefs and mangroves
Indigenous rangers and traditional owners collaborated with scientists for a decade to study connections between coral reefs and mangroves in Australia. The research was published in Ocean Coastal Management journal with both Bardi Jawi Rangers and Bardi Jawi Traditional Owners listed as co-authors alongside academic scientists.
A mysterious signal around Earth could be dark matter
Scientists used Earth's magnetic field and atmosphere as a detector to search for ultralight forms of dark matter, dramatically improving limits on ultralight axions. The method uncovered several dark photon signals that require further explanation.