Ordinary WiFi can now identify people with near perfect accuracy

Researchers in Germany are warning that ordinary WiFi networks could become a powerful new form of invisible surveillance. Using standard wireless signals and artificial intelligence, they demonstrated a system capable of identifying people with striking accuracy, even if those individuals are not carrying an active device. “By observing the propagation…

Scientists uncover cancer-causing chemicals hidden in everyday foods

More people are paying close attention to what they eat, often tracking calories, exercising daily, and filling their plates with foods that seem naturally healthy, including fruits and vegetables. Yet even nutritious foods can carry hidden chemical concerns. Some contaminants can enter food from the environment, while others can form…

Surprising study finds beef doesn’t worsen blood sugar or diabetes risk

More than 135 million adults in the United States either have type 2 diabetes (T2D) or face an elevated risk of developing the condition, increasing the demand for reliable nutrition guidance backed by scientific research. A newly published randomized controlled trial (RCT) found that eating 6 to 7 ounces of…

Scientists discover a strange hidden state in “sandwich” molecules

Since their discovery in the 1950s, metallocenes have played a major role in organometallic chemistry. These compounds feature a metal atom positioned between two carbon rings, giving them a distinctive “sandwich” structure. Over the decades, scientists have explored their use in catalysts, advanced materials, energy technologies, sensors, and drug delivery…

Einstein’s “wormhole” may actually reveal a hidden mirror of time

Wormholes are often imagined as tunnels through space or time — shortcuts across the universe. But this image rests on a misunderstanding of work by physicists Albert Einstein and Nathan Rosen. In 1935, while studying the behavior of particles in regions of extreme gravity, Einstein and Rosen introduced what they…

Scientists discover simple way to relieve arthritis pain without pills or surgery

Nearly one in four adults over 40 lives with painful osteoarthritis, a condition that can make everyday movement difficult and is one of the major causes of adult disability. The disease gradually wears down the cartilage that cushions joints. Once that damage occurs, doctors currently cannot reverse it. Treatment usually…

Ancient chemistry trick unlocks new type of glass that traps CO2 and hydrogen

Scientists have adapted a chemistry technique used in traditional glassmaking to improve a futuristic material known as metal-organic framework (MOF) glass. These materials are made from metal atoms connected by organic molecules and are valued for their ability to trap gases such as carbon dioxide and hydrogen, and even capture…

Ancient asteroid craters may have sparked Earth’s oxygen-producing life

A team of researchers in South Korea has uncovered evidence that could shed new light on how Earth’s atmosphere first became rich in oxygen, one of the most important turning points in the planet’s history. Scientists from the Korea Institute of Geoscience and Mineral Resources (KIGAM) discovered stromatolites, layered rock…

Sea level rise is speeding up and scientists now know exactly why

Sea level rise is one of the clearest and most persistent consequences of human caused climate change. As global temperatures increase, oceans expand from the heat while melting glaciers and ice sheets add even more water to the seas. Scientists say the process is extremely difficult to stop and will…

Popular weight loss drugs like Wegovy may also target arthritis inflammation

Arthritis covers a wide range of joint disorders, including inflammatory conditions such as rheumatoid arthritis and psoriatic arthritis, as well as osteoarthritis, the most common form of the disease. Many people living with arthritis struggle with pain, stiffness, and reduced mobility that can significantly affect daily life. Current treatments mainly…

Scientists discover a two-stage aging process that may cause cancer and arthritis

Researchers are offering a new way to understand why aging is so closely connected to chronic illness. In a review published in Aging-US titled “Aging as a multifactorial disorder with two stages,” scientists from University College London and Queen Mary University of London describe a model suggesting that diseases linked…

Childhood junk food may rewire the brain for life

Children who regularly eat high-fat, high-sugar foods may experience lasting changes in the brain that continue long after their diets improve, according to a new study from University College Cork (UCC). Researchers also found that beneficial gut bacteria and prebiotic fibers could help reduce some of these long-term effects and…

Popular GLP-1 weight-loss drugs like Ozempic slash heart attack and stroke risk

New research suggests that GLP-1 weight loss medications may provide major long-term benefits for heart health in addition to helping people lose weight and manage blood sugar. Researchers at Anglia Ruskin University (ARU) reviewed data from more than 90,000 participants involved in large international clinical trials. Their analysis found that…

Common pesticide linked to hidden brain damage, scientists warn

A recent study has identified a concerning connection between prenatal exposure to chlorpyrifos (CPF), a common insecticide, and lasting changes in brain structure as well as reduced motor function in children and adolescents. These findings, published in the journal JAMA Neurology, offer the first evidence of widespread, enduring impacts on…

Scientists discover hidden weakness shared by hundreds of cancer mutations

Diseases such as cancer and neurodegenerative disorders often begin with genetic mistakes. But even after scientists identify the genes involved, turning that knowledge into effective treatments has remained extremely difficult. Many of these diseases are linked to hundreds of mutations spread across different biological pathways, making it hard to understand…

Scientists discover strange “narwhal” waves that trap light beyond known limits

For decades, shrinking photonic devices has been far more difficult than miniaturizing electronic components. The challenge comes down to physics. Light cannot easily be confined into extremely small spaces because the uncertainty principle links its confinement to its wavelength. In visible and near infrared light, that wavelength can be up…

Physicists finally solve the strange mystery of “breathing” lasers

An international team of researchers, including a scientist from Aston University, has developed a new mathematical framework that explains the strange behavior of so called “breather” laser pulses. The breakthrough unites two very different types of laser dynamics under a single model for the first time. Ultrafast lasers generate incredibly…

Jupiter’s lightning may be 100x more powerful than Earth’s

Jupiter is famous for its enormous storms, some of which have been raging for centuries. Now, scientists have discovered that these massive tempests can also generate lightning far more powerful than anything typically seen on Earth. Using data from NASA’s Juno spacecraft, researchers at the University of California, Berkeley found…

Scientists discover the nutrient that can supercharge cellular energy

Mitochondria are often called the power plants of the cell because they generate the energy the body needs to function. These tiny structures constantly adjust their activity depending on how much energy cells require. Scientists have long known that nutrients influence this process, but exactly how cells sense and respond…

MIT scientists discover amino acid that helps the gut heal itself

MIT researchers have discovered that a naturally occurring amino acid found in many protein-rich foods may help the intestine repair itself after damage. In a new study, scientists found that cysteine can activate an immune response that boosts intestinal stem cells and helps regenerate tissue in the small intestine. The…

UNESCO warns a tsunami in the Mediterranean is inevitable

The Mediterranean sea is widely perceived as having a low tsunami risk. History and recent modelling technology have demonstrated that destructive waves have already hit the French coast and could do so again. The results of a project carried out in Nice and along the French Riviera show why anticipation…

Scientists solve 320-million-year mystery of reptile bone armor

Our bones did not begin deep inside the body. They started in the skin, not long after the first complex animals took shape. Ever since, skin bones have remained a recurring motif in evolution. Yet we still know surprisingly little about them. Why do they keep reappearing in groups as…

New quantum sensor could count individual photons and hunt dark matter

Researchers in Finland have achieved a major advance in ultra-sensitive measurement technology by detecting an amount of energy smaller than one zeptojoule, less than a trillionth of a billionth of a joule. The breakthrough could improve quantum computing technology, support the search for dark matter, and eventually make it possible…