Scientists discover reversible male birth control that stops sperm production

Cornell University scientists have taken a major step toward developing a safe, reversible, long-acting and 100% effective nonhormonal male contraceptive, considered the holy grail of male contraception. In a proof-of-principle study conducted in mice over six years, the team showed that interrupting a key step in meiosis, the process that…

Scientists say 7 days of meditation can rewire your brain

Researchers at the University of California San Diego report that a weeklong program combining meditation and other mind-body techniques can quickly produce measurable changes in both brain activity and blood biology. The study found that these practices activated natural pathways involved in brain flexibility, metabolism, immune function, and pain relief.…

This diet could slash cholera infections by up to 100x

Cholera, a dangerous bacterial infection that causes severe diarrhea and can be fatal without treatment, may be significantly reduced through diet. New research from the University of California, Riverside suggests that eating more protein could help limit the infection’s ability to take hold in the body. The study found that…

This new chip survives 1300°F (700°C) and could change AI forever

Modern electronics power everything from smartphones to satellites, but they all share a major limitation. Heat. Once temperatures climb above roughly 200 degrees Celsius, most devices begin to break down. For decades, this thermal barrier has been one of the toughest challenges in engineering. Researchers at the University of Southern…

Earth’s most powerful ocean current didn’t form the way we thought

The Antarctic Circumpolar Current carries more than 100 times the total flow of all the world’s rivers combined. It circles Antarctica without being blocked by land, making it one of the most important drivers of the global climate system. New research published in the journal Proceedings of the National Academy…

Scientists found a “lost world” of animals that shouldn’t exist yet

A newly identified fossil site in southwest China is changing scientists’ understanding of how complex animal life first developed on Earth. The discovery shows that many major animal groups were already present before the Cambrian Period began. The research was led by teams from Oxford University’s Museum of Natural History…

Scientists discover the “Goldilocks” secret behind life on Earth

Life cannot begin on a planet unless certain chemical elements are available in large enough amounts. Two of the most important are phosphorus and nitrogen. Phosphorus helps build DNA and RNA, which store and pass along genetic information, and it also plays a key role in how cells manage energy.…

This “forbidden” exoplanet has an atmosphere scientists can’t explain

New observations from the James Webb Space Telescope (JWST) are shedding light on a highly unusual exoplanet known as TOI-5205 b, sometimes described as “forbidden.” Scientists found that this giant planet’s atmosphere contains fewer heavy elements than its host star, a surprising result that could reshape how researchers understand the…

The brain might not create consciousness after all

Is consciousness simply created by the brain, or could it be a deeper feature of reality itself? That question is at the center of a presentation by Christof Koch, a leading figure in modern neuroscience, at the 15th “Behind and Beyond the Brain” Symposium organized by the Bial Foundation, taking…

Scientists discover hidden brain switch that tells you to stop eating

For years, scientists believed the answer centered almost entirely on neurons, the brain’s primary signaling cells. But new research is challenging that idea, pointing to a more complex system involving other types of brain cells. A study published in the Proceedings of the National Academy of Sciences on April 6,…

These bizarre new tarantulas turn mating into a fight for survival

Researchers have identified four previously unknown tarantula species in the Arabian Peninsula and the Horn of Africa, and they turned out to be far more unusual than expected. “Based on both morphological and molecular data, they are so distinct from their closest relatives that we had to establish an entirely…

Scientists may have found a way to keep your bones strong for life

There is growing demand for treatments that can safely prevent and reverse bone loss over time. Osteoporosis, a condition that weakens bones and makes them more likely to break, affects about six million people in Germany alone, most of them women. It is especially common with aging and after menopause,…

Scientists may finally detect hidden ripples in spacetime

Researchers led by the University of Warwick have introduced the first unified approach for identifying “spacetime fluctuations” — tiny, random distortions in the structure of spacetime that appear in many efforts to link quantum physics with gravity. These minute variations were first proposed by physicist John Wheeler and are expected…

Scientists find quantum computers forget most of their work

Imagine setting up an elaborate chain of dominoes, where each piece must strike the next in perfect sequence to create a satisfying final outcome. Quantum circuits operate in a similar way. They consist of many small steps, called (“operations”), that work together to process information in a highly coordinated manner.…

A drug already in trials may finally stop hepatitis E

A drug currently being tested to treat hepatitis C may also work against hepatitis E by stopping the virus from reproducing. Hepatitis E infects millions of people worldwide and leads to about 70,000 deaths each year. Despite its impact, there is still no approved vaccine or targeted treatment. That situation…

This simple design could save oyster reefs worldwide

New research has revealed how to design artificial habitats that give oyster reefs the best chance to recover. The findings come from a detailed analysis of the natural shapes and structures of oyster reefs. Published in the journal Nature, the study shows that oyster reefs are not random clusters of…

AI breakthrough cuts energy use by 100x while boosting accuracy

Artificial intelligence is consuming enormous amounts of electricity in the United States. According to the International Energy Agency, AI systems and data centers used about 415 terawatt hours of power in 2024. That accounts for more than 10% of the country’s total electricity production, and demand is projected to double…

Study of 1,700 languages reveals surprising hidden patterns

Despite the enormous variety of languages spoken around the world, certain grammatical patterns keep showing up. A new study finds that about one-third of long-standing “linguistic universals” are backed by strong statistical evidence when tested using modern evolutionary methods. An international research team led by Annemarie Verkerk (Saarland University) and…

Scientists find hidden brain cells helping deadly cancer grow

A team of researchers in Canada has identified a new way to slow the growth of glioblastoma, the most aggressive and currently incurable type of brain cancer, and they have also pointed to an existing drug that could potentially be used to treat it. The study reveals that some brain…

Scientists trap light in a layer 1,000x thinner than hair

Researchers from the Faculty of Physics at the University of Warsaw, working with teams from the Łódź University of Technology, the Warsaw University of Technology, and the Polish Academy of Sciences, have created a structure capable of trapping infrared light in a layer just 40 nanometers thick. Their approach relies…

Mars dust storms are sparking electricity and rewriting the planet’s chemistry

Mars is often portrayed as a dry, lifeless desert, but it is far more active than it appears. Its thin atmosphere and dusty terrain create an environment where constant motion generates electrical energy. Dust storms and spinning dust devils sweep across the surface, continually reshaping the landscape and driving processes…

Artificial saliva made from sugarcane protein protects teeth from acid and decay

A new type of artificial saliva, delivered as a mouthwash and made using a lab-modified sugarcane protein called CANECPI-5, could help protect the teeth of patients with head and neck cancer. These patients often undergo radiotherapy near the mouth, which can damage salivary glands and reduce saliva production. Because saliva…

Truckloads of food are being wasted because computers won’t approve them

Grocery stores can appear well stocked even when the systems behind them are under pressure. Fresh produce may be neatly arranged, and refrigerated items fully in place. On the surface, everything looks normal. But that appearance can be misleading. Today, food moves through supply chains only when it is recognized…

Scientists discover hidden gut signals that could detect cancer early

Scientists have identified a set of biological markers that could significantly improve how gastrointestinal diseases (GIDs) are detected and treated. These conditions include gastric cancer (GC), colorectal cancer (CRC), and inflammatory bowel disease (IBD). Their findings show that specific gut bacteria and chemical compounds, known as metabolites, are closely linked…

Scientists built a quantum battery that breaks the rules of charging

Scientists have taken an important step toward next-generation energy technology by developing a proof-of-concept quantum battery that can charge, store, and release energy. This early prototype represents the closest progress so far toward building a fully functional quantum battery. Unlike conventional batteries that depend on chemical reactions, quantum batteries rely…

A massive arctic thaw is unleashing carbon frozen for thousands of years

A new study offers one of the clearest pictures yet of what happens as Arctic permafrost thaws. Led by geoscientist Michael Rawlins at the University of Massachusetts Amherst, the research provides detailed insight into how warming temperatures are reshaping water systems and releasing long-frozen carbon. The team examined a region…

Binge drinking just once a month may triple your risk of liver scarring

LOS ANGELES — People may assume that if they drink lightly during the week or month, heavy drinking on the occasional Friday or Saturday may not cause their liver harm.  New research suggests otherwise, according to a Keck Medicine of USC study published today in Clinical Gastroenterology and Hepatology.  Researchers discovered that people with metabolic dysfunction–associated steatotic liver disease (MASLD), the most common…

Most U.S. states are warming but not in the way you think

Climate change is affecting the United States in very different ways depending on the region, according to a study published in PLOS Climate. Researchers María Dolores Gadea Rivas of the University of Zaragoza, Spain and Jesús Gonzalo of University Carlos III, Spain found that warming patterns vary widely across the…