Top Science News

Jan. 16, 2025 — A new report shows the benefit of wearing contact lenses for slowing myopia has a lasting effect -- good news since 50% of the world (5 billion people) will likely be nearsighted by ...

Jan. 15, 2025 — Most treatments being pursued today to protect against Alzheimer's disease focus on amyloid plaques and tau tangles that accumulate in the brain, but new research points to a novel -- and noble -- approach: using Xenon gas. The study found that Xenon gas inhalation suppressed neuroinflammation, reduced brain atrophy, and increased protective neuronal states in mouse models of Alzheimer's disease. ...

Jan. 16, 2025 — Two new articles document progress in neuroprosthetic technology that lets people feel the shape and movement of objects moving over the 'skin' of a bionic ...

Jan. 16, 2025 — Scientists use devices known as frequency comb lasers to search for methane in the air above oil and gas operations and to screen for signs of infection in human breath. A new study could help make these sensors even more ...

Jan. 16, 2025 — Researchers have developed an adhesive polymer that is stronger than current commercially available options while also being biodegradable, tunable, and reusable. The findings show how the common, naturally occurring polymer P3HB can be chemically re-engineered for use as a strong yet sustainable bonding ...

Jan. 16, 2025 — Galaxies like the Milky Way grow by merging with smaller galaxies over billions of years, unlike dwarf galaxies, which have long been thought to lack the heft to attract mass and grow in the same way. New observations challenge this view, suggesting that even dwarf galaxies can accrete mass from other small ...

Jan. 16, 2025 — Paper-thin optical lenses simple enough to mass produce like microchips could enable a new generation of compact optical devices. Researchers have fabricated and tested flat lenses called Fresnel zone plates (FZPs), but did so for the first time using only common semiconductor manufacturing equipment, the i-line stepper, for the first time. These flat lenses currently lack the efficiency of ...

Jan. 16, 2025 — If corn was ever jealous of soybean's relationship with nitrogen-fixing bacteria, advancements in gene editing could one day even the playing field. A recent study shows that gene-edited bacteria can supply the equivalent of 35 pounds of nitrogen from the air during early corn growth, which may reduce the crop's reliance on nitrogen ...

Jan. 16, 2025 — New research reveals that drought and increased temperatures in a CO2-rich climate can dramatically alter how grasslands use and move water. The study provides the first experimental demonstration of the potential impacts of climate change on water movement through grassland ecosystems, which make up nearly 40% of Earth's land area and play a critical role in Earth's water ...

Jan. 16, 2025 — In an interdisciplinary and transdisciplinary study, an international team examined the social risks for Arctic regions associated with thawing permafrost. They identified five key risks related to infrastructure, transport and supply, water quality, food security and health. The scientists found that the thawing permafrost posed an increased risk of exposure to infectious diseases and release of ...

Jan. 16, 2025 — Increasingly common since 1980, persistent multi-year droughts will continue to advance with the warming climate, warns a new study. This publicly available forty-year global quantitative inventory seeks to inform policy regarding the environmental impact of human-induced climate change. It also detected previously 'overlooked' ...

Jan. 17, 2025 — Researchers have improved our understanding of how rotavirus, the most common cause of acute gastroenteritis in children, makes people sick. The study is among the first to show that the rotavirus protein NSP4 is both necessary and sufficient for multiple aspects of rotavirus infection by disrupting calcium signaling not only within infected cells but also in nearby uninfected cells. These ...

Jan. 17, 2025 — A new study has found older-looking brains in adults with sickle cell disease, helping to explain the cognitive challenges experienced by such individuals. A brain image from a healthy individual (left) shows a larger brain with more white matter compared with a brain image from a patient with sickle cell disease (right). Healthy individuals experiencing economic deprivation also had more-aged ...

Jan. 17, 2025 — Sunburn has traditionally been attributed to UV-induced DNA damage. However, a new study reveals that RNA, another vital cellular molecule, plays a major role in triggering acute sunburn ...

Jan. 17, 2025 — Subtle changes in the brain, detectable through advanced imaging, blood and spinal fluid analysis, happen approximately twenty years before a clinical motor diagnosis in people with Huntington's disease, finds a new ...

Jan. 17, 2025 — Neuroscientists have identified that the receptor IL-1R1 plays a critical role in enabling neurons to directly communicate with the immune system. The new study provides the most detailed mapping of neuronal IL-1R1 (nIL-1R1) expression in the mouse brain, clarifying prior inconsistencies. Researchers were able to tag neuronal populations that express nIL-1R1 using a clever cell tagging approach, ...

Jan. 17, 2025 — Cutting-edge fluorescent cholesterol probes now enable scientists to visualize cholesterol movement and distribution in live cells with unprecedented detail. By combining computer simulations with live-cell imaging, researchers have uncovered how different probe designs influence cholesterol probe behavior. These probes could reveal how cholesterol imbalances drive Alzheimer's and other ...

Jan. 14, 2025 — Waking up does not activate an increase in the release of the stress hormone cortisol. Cortisol does, however, increase in the hours prior to wakening as part of the body's preparation for the next day, new research has ...

Jan. 17, 2025 — Fetuses of pregnant people who gained excess weight in the first trimester of pregnancy show signs of excess fat distribution in the upper arm and in the abdomen, according to a new study. These findings may inform efforts to prevent excessive weight gain early in life, a risk factor for adult obesity and related conditions, such as heart disease, ...

Jan. 16, 2025 — Studies have shown a persistent gender gap when it comes to wages -- disparities that stretch over decades. Past analyses have pointed to various causes for this discrepancy, but often overlooked is how such divides may surface early in life. In a related new study of boys and girls, a team of psychology researchers has found that despite holding similar views on the purpose and value of ...

Jan. 15, 2025 — Mosquitoes can survive prolonged droughts by drinking blood, which helps to explain why rates of mosquito-borne illness don't always decline in dry ...

Jan. 13, 2025 — Giving people better data about their energy use, plus some coaching, can help them substantially reduce their consumption and costs, according to a new ...

Jan. 17, 2025 — Atmospheric scientists show proposed 'geoengineering' effort to remove methane, a potent greenhouse gas, from the atmosphere could worse air quality while providing minimal climate ...

Jan. 17, 2025 — By editing the polymers of discarded plastics, chemists have found a way to generate new macromolecules with more valuable properties than those of the starting material. Upcycling may help remedy the roughly 450 million tons of plastic discarded worldwide annually, of which only 9% gets recycled; the rest is incinerated or winds up in landfills, oceans or ...

Jan. 17, 2025 — A novel bio-inspired camera capable of ultra-high-speed imaging with high sensitivity was developed by mimicking the visual structure of insect ...

Jan. 16, 2025 — Leo P, a small galaxy and a distant neighbor of the Milky Way, is lighting the way for astronomers to better understand star formation and how a galaxy grows. Scientists have reported finding that Leo P 'reignited,' reactivating during a significant period on the timeline of the universe, producing stars when many other small galaxies ...

Jan. 16, 2025 — Pandora, a small satellite mission poised to provide in-depth study of at least 20 known planets orbiting distant stars to determine the composition of their atmospheres cleared an important milestone by completing the spacecraft bus, which acts as the spacecraft's ...

Jan. 16, 2025 — A research team has discovered another piece in the puzzle of the formation of the Moon and water on Earth. The prevailing theory was that the Moon was the result of a collision between the early Earth and the protoplanet Theia. New measurements indicate that the Moon formed from material ejected from the Earth's mantle with little contribution from Theia. In addition, the findings support the ...

Jan. 15, 2025 — A new analysis of data from the PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC) reveals fresh evidence that collisions of even very small nuclei with large ones might create tiny specks of a quark-gluon plasma (QGP). Scientists believe such a substance of free quarks and gluons, the building blocks of protons and neutrons, permeated the universe a fraction of a second after the ...

Jan. 16, 2025 — The robotics industry should be creating robots that could be reprogrammed and repurposed for other tasks once its life span is completed, researchers have ...

Jan. 16, 2025 — Researchers applied the mathematical theory of synchronization to clarify how recurrent neural networks (RNNs) generate predictions, revealing a certain map, based on the generalized synchronization, that yields correct target values. They showed that conventional reservoir computing (RC), a type of RNN, can be viewed as a linear approximation, ...

Jan. 15, 2025 — A new initiative is challenging the conversation around the direction of artificial intelligence (AI). It charges that the current trajectory is inherently biased against non-Western modes of thinking about intelligence -- especially those originating from Indigenous cultures. Abundant Intelligences is an international, multi-institutional and interdisciplinary program that seeks to rethink how ...

Jan. 14, 2025 — Diamond, often celebrated for its unmatched hardness and transparency, has emerged as an exceptional material for high-power electronics and next-generation quantum optics. Diamond can be engineered to be as electrically conductive as a metal, by introducing impurities such as the element boron. Researchers have now discovered another interesting ...

Jan. 17, 2025 — Scientists find a 'measure and remeasure' approach is a feasible method of verifying soil carbon storage in croplands for climate ...

Jan. 17, 2025 — Researchers, citizen scientists and their 'truffle dogs' -- have discovered two new species of truffle. Tuber canirevelatum, meaning the 'dog-found' truffle, was named in honor of truffle dogs and Monza, the dog who discovered it with her trainer Lois Martin. The other, Tuber cumberlandense, was named for the Cumberland Plateau where it was found by Margaret Townsend and her truffle dog, ...

Jan. 17, 2025 — Experiments and modeling reveal the unexpected structure that can be seen in bacteria grown in mucus samples and ...

Jan. 17, 2025 — New research emphasizes that studying the impacts of past tropical storms can help communities better prepare for future storms. A key part of the study is analyzing the types and quantities of storm-related precipitation in affected regions to understand its role on local water resources. By mitigating excessive damage, such preparation could enable more people to remain in their home countries. ...

Jan. 16, 2025 — A new tool could make it easier to study scarce plant molecules. Researchers have developed so-called microbial cell factories -- using E. coli and yeast -- to produce a special class of plant hormones, known as strigolactones, at unprecedented levels. By amplifying production of strigolactones, which occur in such low amounts in plants, ...

Jan. 16, 2025 — Engineering researchers have developed carbon capture systems that use molecules called quinones, dissolved in water, as their capturing compounds. A new study provides critical insights into the mechanisms of carbon capture in these safer, gentler, water-based electrochemical systems, paving the way for their further ...

Jan. 16, 2025 — Detailed livestock models are important for land-use planning, disaster relief and food ...

Jan. 16, 2025 — Researchers carried out an archeogenetic study of human remains from more than 700 individuals from the Early Middle Ages. Two large burial sites, Modling and Leobersdorf, have been genetically analyzed in their entirety. The surprising result was that the individuals from Leobersdorf were mostly of East Asian origin, while those buried in Modling mostly had European ancestry. Both communities ...

Jan. 16, 2025 — 4,900 years ago, a Neolithic people on the Danish island Bornholm sacrificed hundreds of stones engraved with sun and field motifs. Archaeologists and climate scientists can now show that these ritual sacrifices coincided with a large volcanic eruption that made the sun disappear throughout Northern ...

Jan. 16, 2025 — Previous studies have posited that the mass extinction that wiped the dinosaurs off the face of the Earth was caused by the release of large volumes of sulfur from rocks within the Chicxulub impact crater 66 million years ago. A new study questions this scenario. Using groundbreaking empirical measurements of sulfur within the related Cretaceous-Paleogene (K-Pg) boundary layer, the international ...

Jan. 16, 2025 — The synchronization of data from two natural climate archives -- a speleothem from the Herbstlabyrinth Cave in Hesse (Germany) and ice cores from Greenland -- offers new insights into the chronology of abrupt climate changes in Central Europe. According to the analysis, the devastating eruption of the Laacher See volcano in what is now ...

Jan. 13, 2025 — Ecologists have made valuable discoveries that could transform the conservation of two iconic cockatoo species: the Sulphur-crested cockatoos and the critically endangered Yellow-crested cockatoos -- with only 2,000 individuals remaining in the wild for the latter. Until now, no whole-genome research had been conducted on either species, which ...

Jan. 15, 2025 — Research has established a clear link between racial and ethnic disparities in maternal heart health and higher risks of preterm birth, preeclampsia and cardiovascular issues for Black and Hispanic mothers and their ...

Jan. 15, 2025 — An international research team concludes that gentle touch is not only good for mental health, but also for the evolution of ...

Jan. 13, 2025 — New research identifies differing trends in attention-deficit/hyperactivity disorder (ADHD) diagnoses among adolescents and adults, including an increase among adults from 2020 to 2023. The study found a significant downward trends in ADHD incidence among adults from 2016 to 2020 and adolescents from 2016 to 2018. The ADHD incidence rate remained stable for adolescents in subsequent ...

Jan. 6, 2025 — A new study used acoustic sensors that detect the sound of gunfire to show how often children in one Chicago neighborhood are exposed to gunshots while walking to and from school. Results showed that nearly two-thirds of schools in the Englewood neighborhood of Chicago had at least one gun incident within 400 meters (about one-quarter mile) of where children were walking home during the 2021-22 ...

Dec. 16, 2024 — When young children's behavior becomes challenging, many parents resort to threats -- from taking away toys to threatening that Santa will skip their house, a national poll ...

Dec. 10, 2024 — New research shows that mothers have twice the impact on language exposure, challenging traditional parenting advice. In a new study, researchers found that there wasn't a single strategy that could be singled out as 'best' to raise a child bilingually. But when they looked at parents' language use individually rather than the family's overall strategy, they had an unexpected and striking ...

Jan. 9, 2025 — Both intuition and past research suggest that whether people deem someone trustworthy depends on that person's past behavior and reputation for betrayal. In a series of experiments, psychologists found that subjects regarded those who previously exhibited that behavior as less trustworthy. However, when the betrayal benefited them or had no effect ...

Jan. 9, 2025 — Contrary to the long-held belief that the mid-career crisis plagues everyone, new research suggests that job satisfaction follows a U-shaped trajectory only for managerial and professional workers. This provocative finding challenges societal perceptions surrounding midlife and calls for a revaluation of workplace support for individuals in their ...

Jan. 3, 2025 — Farmers are receiving less of what consumers spend on food, as modern food systems increasingly direct costs toward value-added components like processing, transport, and marketing. A study shows that this effect shapes how food prices respond to agricultural climate policies: While value-added components buffer consumer price changes in wealthier ...

Dec. 17, 2024 — A new study has shown that employees are experiencing mental and physical techno-strain due to being 'hyperconnected' to digital technology making it difficult for people to switch off from ...