Evolution
Dinos hatched eggs less efficiently than modern birds, researchers show
What do we really know about how oviraptors—bird-like but flightless dinosaurs—hatched their eggs? Did they use environmental heat, like crocodiles, or body heat from an adult, like birds? In a new Frontiers in Ecology ...
3 hours ago
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Astrobiology
Ryugu asteroid samples contain all DNA and RNA building blocks, bolstering origin-of-life theories
All the essential ingredients to make the DNA and RNA underpinning life on Earth have been discovered in samples collected from the asteroid Ryugu, scientists said Monday.
14 hours ago
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A galaxy next door is transforming, and astronomers can see it happening
The Small Magellanic Cloud (SMC) is one of the Milky Way's closest galactic neighbors—a small, gas-rich galaxy visible to the naked eye from the southern hemisphere, and bound to our galaxy by gravity, alongside its companion, ...
Astronomy
10 hours ago
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Why sugar breakdown matters beyond energy—new insights into how it makes cells move
It has long been known that our bodies derive energy from sugar. Researchers at RPTU University Kaiserslautern-Landau have now discovered that sugar breakdown produces an intermediate product that is also crucial for the ...
Cell & Microbiology
9 hours ago
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ISS study identifies thresholds for muscle atrophy and fiber changes in reduced gravity
It's well known that spaceflight causes muscle atrophy and other biological changes in reduced gravity, and especially in near-zero gravity (microgravity) environments. However, the gravity threshold needed to maintain sufficient ...
Amazonian chocolate: Combining cocoa clones with different post-harvest processes balances flavor and nutritional value
Chocolate produced in the Amazon is internationally recognized for its unique flavor. A study by researchers at São Paulo State University (UNESP) in Brazil has shown that it could be even more valuable. The analysis indicates ...
Molecular & Computational biology
9 hours ago
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Turning mosquitoes into flying vaccine carriers to protect against bat-borne viruses
Bats are reservoirs for several zoonotic viruses, such as Ebola and coronaviruses. These pathogens can spread to humans through direct contact with the flying mammals or their bodily fluids, or indirectly through contaminated ...
Stem cell therapy shows promise for reversing aging-related frailty in new clinical trial
Stem cells are gaining attention for their potential to treat leukemia, certain solid tumor cancers, and inherited metabolic disorders. Now, a clinical trial reports that a single dose can significantly improve physical strength ...
What flocking birds can teach AI about reducing noise
Among the primary concerns surrounding artificial intelligence is its tendency to yield erroneous information when summarizing long documents. These "hallucinations" are problematic not only because they convey falsehoods, ...
Computer Sciences
3 hours ago
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No evidence to suggest medicinal cannabis is effective for depression, anxiety or PTSD, says systematic review
A landmark paper published in Lancet Psychiatry—the largest-ever review of the safety and efficacy of cannabinoids across a range of mental health conditions—found no evidence that medicinal cannabis is effective in treating ...
Medical Xpress
9 hours ago
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The Future is Interdisciplinary
Find out how ACS can accelerate your research to keep up with the discoveries that are pushing us into science’s next frontier
Medical Xpress
Tech Xplore
What flocking birds can teach AI about reducing noise
Mechanically activated liquid metal powder lets users draw circuits on paper
Key transistor for next-generation 3D stacked semiconductors operates without current leakage
New deep learning framework solves the cold-start problem
New dataset maps NZ's energy demand to 2050
Three questions: On the future of AI and the mathematical and physical sciences
Sulfide coating boosts lithium-ion battery lifespan past 1,000 cycles
AI agent 'lobster fever' grips China despite risks
High-resolution electron microscopy sheds light on the cellular responses to stress
An international team led by researchers from the University Medical Center Göttingen (UMG), Germany, has used advanced electron microscopy technologies to capture key cellular mechanisms of stress resistance with near-atomic ...
Cell & Microbiology
9 hours ago
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Milk-derived nanoparticles may enable physicians to target aggressive bile duct cancer
Mayo Clinic researchers have developed a promising new way to deliver treatment directly to cholangiocarcinoma tumors, a rare and aggressive bile duct cancer with limited treatment options, using milk-derived nanoparticles ...
Bio & Medicine
9 hours ago
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Q&A: Reevaluating reaction rates to better understand the stars
Thermonuclear reaction rates power the models that explain how stars live, explode and create the elements. A new study co-authored by NC State faculty member Richard Longland provides a comprehensive, statistically grounded ...
Astronomy
9 hours ago
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A new digital imagery program can help students reduce anxiety levels
With exams looming and a lot potentially riding on their future, many university students suffer from anxiety. This pressure can often create a cycle of worry that is difficult to break without the right tools. A new study ...
Fathers' health crucial to improving pregnancy and child outcomes, study highlights
New research from the University of Southampton and international partners shines a spotlight on the significant and often under-recognized role that fathers' health and well-being play in shaping pregnancy and child outcomes. ...
Medical Xpress
9 hours ago
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Early adult drinking linked to middle-age cognitive decline—even after extended abstinence
It's well known that alcohol consumption is an age-old method for coping with stress. But recent research led by the University of Massachusetts Amherst has found that when such self-medication begins in early adulthood, ...
Medical Xpress
11 hours ago
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A clear roadmap for engineering combs of light
Optical frequency combs—laser sources that emit evenly spaced colors of light—are foundational, ubiquitous tools for precision measurement, found in optical clocks, gas-sensing spectrometers, and instruments that detect ...
Optics & Photonics
10 hours ago
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Globular cluster NGC 5824 is embedded in a dark matter halo, study suggests
Using data from the Magellan Clay telescope and the Canada-France-Hawaii Telescope (CFHT), astronomers have investigated a galactic globular cluster known as NGC 5824. Results of the new study, available in a paper published ...
ChatGPT can provide original mathematical proofs, researchers show
VUB's Data Analytics Lab has published new results showing that it is possible to develop original mathematical proofs using commercial language models. In a paper posted to the arXiv preprint server, the researchers show ...
Mathematics
12 hours ago
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The Alzheimer's gut-brain link: How butyrate could curb amyloid-β buildup and inflammation
Alzheimer's disease (AD) is a neurodegenerative disease that causes progressive memory loss and a significant decline in mental functions. Past studies have shown that people with AD exhibit a buildup of a protein called ...
It's coyote puppy season; here's what you need to know
Coyotes may be building dens and having litters of pups near you, according to new research from the University of Georgia. But chances are you won't see them—even if they are denning right next door. In one of the first ...
Carbon trading cuts emissions better than carbon taxes
Carbon trading limits the amount of carbon dioxide an organization can emit. To emit more, organizations must buy unused carbon emission allowances from others. A global study has found that in the fight against climate change, ...
A milestone voyage for Antarctic science
Navigating monolithic icebergs, massive ocean waves and sub-zero snowstorms, CSIRO research vessel (RV) Investigator is a workhorse for Antarctic science. In just over 11 years and spread across seven voyages, the vessel ...
A 60-year old mystery about the moon's magnetosphere is finally solved
One particularly well-known fact about the moon is that it doesn't have much of a magnetosphere to speak of. There's no blanket to protect it from the solar wind ravaging its surface, blowing away its atmosphere and charging ...
Ticketmaster's Eras Tour chaos made worse by crisis communication failures
Ticketmaster was seemingly not ready for the influx of hopeful Taylor Swift fans logging onto the digital ticketing platform when sales for the Eras Tour launched Nov. 15, 2022. Within minutes of the first "verified fan" ...
Maize mysteries: Scientists uncover new information on how DNA works in maize
Maize serves as a vital model species for advancing our understanding of plant biology, yet many mysteries remain about the intricate processes governing how DNA works and organizes itself in the genome. A team of FSU researchers ...
Study identifies causes of potato dry rot in Colorado
Potato dry rot leads to significant losses during storage and postharvest handling, making management of this disease critically important for potato farmers. Colorado State University researchers in the San Luis Valley—one ...
Clustering-based AI forecasts river water levels using just a few long records
Reliable and scalable water level prediction is crucial in hydrology for effective water resources management, especially when considering challenges owing to climate change, urbanization, improper land use, and high-water ...
Life, but not as we know it
Here is a problem that has been quietly gnawing at astronomers for decades. The standard approach to detecting life on other worlds involves scanning exoplanet atmospheres for oxygen, methane, and ozone, whose presence is ...
JWST maps Europa's CO₂ beyond Tara Regio, hinting at subsurface exchange
Europa is not supposed to look the way it does. Jupiter's icy moon is scarred by a chaotic patchwork of fractured terrain, crisscrossed ridges, and disrupted surface regions that suggest something dynamic is happening beneath ...
What you study in school shapes your voting choices in adulthood
Across Europe, education has become one of the biggest dividing lines in politics, and educational qualifications are now one of the best predictors of vote choice in Britain. This is particularly the case for new parties ...
Tiny tools, sharp aim: Nanobodies target tumors with precision
Nanobodies—miniature proteins—derived from camel antibodies demonstrated powerful potential to accurately and safely deliver radioisotopes as specialized cancer treatments in a project at ORNL.
Why some metals turn transparent: A key mechanism for touchscreen conductors
Researchers Gyanendra Singh and Josep Fontcuberta, from the Institute of Materials Science of Barcelona, have experimentally confirmed a theory they proposed in 2021 that explains the mechanism by which some metals are transparent. ...
Photorespiration may help maintain plant epigenome by fueling C1 metabolism
Photorespiration is a cellular conversion process in which plants release carbon dioxide and consume oxygen when exposed to light. Until now, it has been considered an especially wasteful by-product of photosynthesis. Yet ...
To protect Artemis II Astronauts, NASA experts keep their eyes on the sun
As four astronauts travel around the moon on NASA's Artemis II mission, they will venture beyond Earth's protective magnetic field. The crew's spacecraft, Orion, will carry and protect them as they journey into deep space ...
Half of Native Hawaiian University of Hawaiʻi students experience period poverty, study reveals
Approximately 14% of college students across the United States experience period poverty, meaning they cannot afford to purchase or access menstrual products. A new study of 462 college students in the University of Hawai'i ...
Satellite mapping reveals recent and large-scale habitat changes across the Southern Ocean's seascapes
New research reveals that changes following the recent and dramatic decline in Antarctic sea ice could help a low-nutritional species prosper, with major ramifications for food webs and biogeochemical cycles. The findings ...
Paleontologists uncover a new Spinosaurus species by following a clue from a decades‑old book into the Sahara Desert
My fixation on a small, desolate locale in the heart of the Sahara Desert started with a single line buried in a 630-page tome in French about the rocks of the central Sahara: "Dent de Carcharodontosaurus saharicus Depéret," ...
How big data is transforming what we know about the universe
Science in the modern era is increasingly reliant on enormous datasets and automated analysis. In astronomy, the Vera C. Rubin Observatory's Legacy Survey of Space and Time (LSST)—a ten-year survey covering the entire southern ...
The first modern rocket launched 100 years ago, beginning a century of both innovations and challenges for spaceflight
Apollo 11 first landed astronauts on the moon in 1969, but the journey to the lunar surface actually began 43 years before, in snowy Massachusetts.
