ChatGPT appears to improvise when put through ancient Greek math puzzle
The Artificial Intelligence chatbot, ChatGPT, appeared to improvise ideas and make mistakes like a student in a study that rebooted a 2,400-year-old mathematical challenge.
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Secrets of Chinese AI Model DeepSeek Revealed in Landmark Paper
The first peer-reviewed study of the DeepSeek AI model shows how a Chinese start-up firm made the market-shaking LLM for $300,000
Ubiquitin's ability to tag synthetic compounds offers new path to drug discovery
Small but powerful: Ubiquitin controls the lifespan and distribution of proteins in the cell, but it can also determine their shape, function, or interactions with other cellular components. Ubiquitin ligases are key to this process because they reliably recognize the relevant
'Greenhushing' is a trend that leaves businesses downplaying their environmental wins
These days, institutions and companies love to announce what they're doing to tackle the climate crisis. Terms like "sustainable," "environmentally friendly," and "low-carbon" are often used to trumpet messages about production and consumption. But in reality, the claims are
NASA's tally of planets outside our solar system reaches 6,000
The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are added to the count on a rolling basis by scientists from around the world, so no single planet is considered the 6,000th entry. The number is monitored by
An incredible comeback: Chicago River fish populations show signs of recovery as 24 species spawn
A research paper authored by a researcher at Shedd Aquarium and published in Journal of Great Lakes Research assesses the fish species that spawn in the Chicago River to sustain and support resilient, biodiverse fish populations. Utilizing light traps at 10 locations in the
Some small asteroids can abruptly explode
Some asteroids are more dangerous than others, according to a report published in Nature Astronomy by an international team of researchers, led by astrophysicist Auriane Egal of the Montreal Planetarium in Canada. The team had presented their findings of an investigation into
Unexpected activity of metabolic compound helps decode plants' language of light
Researchers have revealed a previously unknown way plants shape their growth in response to light—a breakthrough that could better equip crops to handle environmental stress.
Earth's inner core: Nobody knows exactly what it's made of, but now we've started to uncover the truth
The iron-rich core at the center of our planet has been a crucial part of Earth's evolution. The core not only powers the magnetic field which shields our atmosphere and oceans from solar radiation, it also influences plate tectonics which have continually reshaped the
Cargo vessels and sea currents found carrying Indo-Pacific fish into Mediterranean
Global shipping, sea currents and habitat factors are driving the spread of Indo-Pacific fish species in the Mediterranean Sea, according to a new study published in the journal NeoBiota.
Mapping songbird migration patterns may help offshore energy be more bird-friendly
A study published in the Journal of Applied Ecology revealed when, where and how most songbirds migrate offshore over North American coastal waters. This data offers a baseline to help wind energy managers reduce fatal bird-wind turbine collisions while generating sustainable
COVID Vaccine Access Now Varies from State to State. Here's What to Know
With federal vaccine guidance under fire, states are forging their own immunization paths
Lipid nanoparticles enable targeted RNA therapy for inflammatory bowel diseases
Researchers at Tel Aviv University have developed a new approach for using locked nucleic acids (LNAs)—a particularly stable type of RNA—to treat inflammatory bowel diseases such as Crohn's disease and ulcerative colitis. The researchers encapsulated selected LNA molecules,
Single-shot laser technique captures plasma evolution at 100 billion frames per second
Plasma, ionized gas and the fourth state of matter, makes up over 99% of the ordinary matter in the universe. Understanding its properties is critical for developing fusion energy sources, modeling astrophysical objects like stars and improving manufacturing techniques for
Wild chimpanzees may get mildly intoxicated from alcoholic fruit
Chimpanzees are consuming significant levels of alcohol from their diet of ripe fruit and the finding may help explain the origins of humans’ taste for alcohol
Milan nightlife hubs bring rich and poor together, study finds
Research utilizing cellphone data from 100,000 people has identified where the social melting pots are in Italy's second-largest city.
Chimpanzee Consumption of Boozy Fruit May Illuminate Roots of Humanity’s Love of Alcohol
Wild chimps ingest the equivalent of multiple alcoholic beverages a day
How Luxembourg detects microbes in its water supply before they pose a health risk
Microbes in water are like invisible travelers—and some carry disease with them. Keeping the water that flows through our treatment plants, rivers and taps healthy and safe from microbial infection is a challenge.
Young people are less liberal and courageous than previously thought, Lithuanian study suggests
Although older generations are traditionally considered more conservative, scientists at Kaunas University of Technology (KTU) have proved that this is not always the case. One surprising outcome of their study was that, over the last decade, the young generation of Lithuanians
Lucy's main belt target has its features named
When considering the unnamed major features of all the moons, asteroids, and comets in our solar system, there are still a lot of places out there that need proper names. That means the International Astronomical Union (IAU), the non-governmental body responsible for naming
From fish cloaca to fingers: Scientists trace the origin of our digits
How did digits evolve? While it is clear that they derive from genetic programs already present in fish, their precise origin remains a matter of debate. An international team led by the University of Geneva (UNIGE) with EPFL, the Collège de France, and the universities of
Study provides first evidence that plastic nanoparticles can accumulate in the edible parts of vegetables
Plastic pollution represents a global environmental challenge, and once in the environment, plastic can fragment into smaller and smaller pieces.
Warming of 2°C intensifies Arctic carbon sink but weakens Alpine sink, study finds
Permafrost, ground frozen for at least two years underlying the cold Arctic and alpine regions of the Northern Hemisphere, covers about 17% of the global land surface and stores an estimated one-third of the world's soil organic carbon.
Bronze Age and Iron Age cultures in the Middle East were really committed to wine production, analysis reveals
Grape and olive farming traditions have changed through time based on shifts in climate and the needs of the local culture, according to a study published in the open-access journal PLOS One by Simone Riehl of the University of Tübingen, Germany and colleagues.
In the wild, chimpanzees likely ingest the equivalent of several alcoholic drinks every day
The first-ever measurements of the ethanol content of fruits available to chimpanzees in their native African habitat show that the animals could easily consume the equivalent of more than two standard alcoholic drinks each day, according to researchers at the University of
In the race to reach 100, the wealthy have a head start
There are more centenarians now than ever before. But more must be done to address inequalities that prevent people from having a realistic chance of hitting this milestone.
Vaccines Are at Risk, Fired CDC Director Warns Senators
Former CDC chief Susan Monarez testified that Secretary of Health and Human Services Robert F. Kennedy, Jr., had demanded she rubber-stamp recommendations from his remade vaccine panel
Songs for Littles: The research that explains YouTube sensation Ms Rachel
For many parents of babies and toddlers, there is one YouTube channel that is a household name. Ms Rachel and her Songs for Littles has attracted nearly 17 million subscribers, offering a colorful, playful space where music, movement and early learning meet.
Reviving South Africa's grasslands: Eastern Cape villagers explain the challenges they face
South Africa's Eastern Cape province has several million hectares of open land in rural areas, not privately owned but held in trust by the state on behalf of communities. The people who live there use it mainly for grazing livestock, subsistence farming, and sometimes hunting.
Would you eat a grasshopper? In Oaxaca, it's been a tasty tradition for thousands of years
Billions of people regularly eat insects. In the southern Mexican state of Oaxaca, chapulines—toasted grasshoppers—stand out as a beloved seasonal treat that follows the start of the rainy season, a period that runs from late May through September.
'I would discriminate': Study exposes UK employers' hidden bias against maternity leave
Discriminatory views about maternity leave remain widespread, with some UK employers openly admitting they would avoid hiring pregnant women, according to new research from the University of Bath.
The 'pocketome': Study maps universe of protein binding sites across species
Proteins perform their many different functions via physical interactions with other molecules, in particular, small molecules present in cells, such as metabolites. These interactions occur on distinct binding pockets on protein surfaces.
DNA folding more important for cell function than previously thought
Tiny tweaks in DNA folding can have big effects. A study from Umeå University shows that even the most subtle changes in DNA's shape have an important influence on gene activity and energy production. This discovery challenges the view of DNA as passive storage of information
Listen closely: Research suggests lie detection is more accurate when based solely on audio
A recent study by the University of Portsmouth has found that focusing on audio alone improves the performance of the interviewer during interviews, particularly in criminal investigations.
Observations shed light on fragmentation code and growth mystery of high-mass star formation
A collaborative team has revealed new observational evidence that sheds light on the mystery of massive star formation. Researchers from Yunnan University, the Shanghai Astronomical Observatory of the Chinese Academy of Sciences, and the University of Chile, along with other
Even fish adapted to dry climates are struggling amid rising temps, droughts
Fish living in warm and arid climates are used to adversity. High temperatures and droughts can routinely cause the streams they call home to stop flowing or dry out altogether.
Cancer patients froze reproductive tissue as kids. Now they’re coming back for it
Saving reproductive tissue from kids treated for cancer before adolescence could give them a chance at having biological children later in life.
Here are the tools Perseverance used to spot a potential sign of ancient life
NASA's search for evidence of past life on Mars just produced an exciting update. On Sept. 10, 2025, a team of scientists published a paper detailing the Perseverance rover's investigation of a distinctive rock outcrop called Bright Angel on the edge of Mars' Jezero Crater.
Research reveals non-temperature drivers of permafrost degradation on Qinghai-Tibet Plateau
A research team led by Prof. Wu Qingbai from the Northwest Institute of Eco-Environment and Resources (NIEER) of the Chinese Academy of Sciences has identified important non-temperature environmental factors contributing to permafrost degradation on the Qinghai-Tibet Plateau.
How an essential vitamin B-derived nutrient concentrates in mitochondria
There's a molecule that our body makes from vitamin B5 that is critical for all of the metabolic processes essential for human life. And when something goes wrong in that molecule's production, it affects nearly every organ system in our body and causes a number of diseases.
Conquering disorder: Modeling a solid with liquid-like ion movement
Copper selenide (Cu₂Se) attracts scientific interest for its thermoelectric ability to convert heat into electricity, but a lack of atomic-level understanding has limited its practical applications for decades.
Study explores enduring effects of sexual violence during Rwandan genocide against Tutsi
A study led by McGill University researchers offers insights into intergenerational memory and the experiences of children born of conflict-related sexual violence and their mothers in post-genocide Rwanda.
Scalable strategy produces high-quality black phosphorus nanoribbons for electronics
Black phosphorus nanoribbons (BPNRs), thin and narrow ribbon-like strips of black phosphorus, are known to exhibit highly advantageous electronic properties, including a tunable bandgap. This essentially means that the energy difference between the region where electrons are
Dome-headed dinosaur from Mongolia is the oldest ever found
A fossil from about 108 million years ago reveals an early member of the pachycephalosaurs, a group of dinosaurs with bizarre protrusions on their skulls that may have been used in combat
Stretching the skin could enable vaccines to be given without a needle
Using a suction device to stretch the skin seems to increase its permeability and stimulate immune cells, which could allow vaccines to be administered topically
The Kay Bailey Hutchison Convention Center in Dallas kills hundreds of birds: Could new design help?
Seven dead birds. Volunteers found seven dead birds in downtown Dallas before the sun peeked over downtown Dallas one recent morning.
New AI flood model gives water managers up-to-the-minute decision-making tool
The 2,175-mile system of interconnected, man-made canals crisscrossing Florida, from Orlando to the Keys, has a particularly important role when a hurricane happens to be pinwheeling toward the peninsula: Flood control.
Water's density is key to sustainable lithium mining, study reveals
One of the biggest obstacles on the road to a low-carbon energy future is caused by the rare-earth element lithium, a critical component for the batteries that can store the abundant and sustainable energy from renewable sources.
Nanoscale optical device enables independent control of light intensity and phase using electricity
A nanoscale optical device has been developed that allows independent control over the intensity and phase of light. By applying voltage, this innovative device can freely manipulate the phase and magnitude of second-harmonic (SH) light, opening new avenues for advanced quantum
Foster care study calls for better training, support
A new pilot study by University of Cincinnati researchers finds that foster caregivers across the U.S. need more accessible, ongoing and community-driven training.
