Mammal ancestors laid eggs, and this 250-million-year-old fossil finally proves it

A new fossil discovery is bringing fresh insight into one of the most remarkable survival stories in Earth’s history while also resolving a scientific mystery that has puzzled researchers for decades. Lystrosaurus, a tough, plant-eating ancestor of mammals, became one of the dominant species after the End-Permian Mass Extinction around…

Scientists just recreated a rare cosmic reaction never seen before

Scientists have reported a major experimental advance in understanding how some of the rarest elements in the universe are formed. These unusual atoms, known as p-nuclei, are proton-rich isotopes heavier than iron that have long puzzled researchers. The new study, led by Artemis Tsantiri, who conducted the work as a…

Africa’s forests have flipped from carbon sink to carbon source

New research has delivered a stark warning about a major change in Africa’s forests. Once a crucial part of the fight against climate change, these forests are now releasing more carbon than they absorb. The findings come from an international study published in Scientific Reports, led by scientists from the…

New toothpaste stops gum disease without killing good bacteria

Periodontitis is a common condition that can affect much more than just oral health. Scientists at Fraunhofer have discovered a compound that specifically blocks the bacteria responsible for this disease while leaving the rest of the oral microbiome intact. This innovation has since been developed into a range of oral…

Men and women with obesity face very different hidden health risks

New findings presented at this year’s European Congress on Obesity (ECO) in Istanbul, Turkey (May 12-15) highlight clear differences in how obesity affects men and women. The research shows that risks related to heart health, metabolism, and inflammation do not develop in the same way across sexes. These insights could…

Gray whales are entering San Francisco Bay and many aren’t surviving

Gray whales are known for their long migration between food-rich Arctic waters and the warm lagoons of Baja Mexico. But as climate change alters ocean conditions, some whales are behaving in unexpected ways. In recent years, a number of gray whales have been spotted feeding in unfamiliar areas, including the…

Light makes plants stronger but also holds them back

Light plays a major role in how plants grow, but scientists are still uncovering exactly how it works. Researchers at Osaka Metropolitan University have now identified a previously unknown mechanism that helps explain how light influences plant development. The research team, led by Professor Kouichi Soga of the Graduate School…

“Giant superatoms” could finally solve quantum computing’s biggest problem

Researchers at Chalmers University of Technology in Sweden have introduced a new theoretical design for quantum systems based on what they call “giant superatoms.” This concept offers a fresh way to protect, control, and share quantum information, potentially bringing scientists closer to building large-scale quantum computers. Quantum computers are expected…

Black hole wakes after 100 million years and erupts like a cosmic volcano

Astronomers have captured one of the clearest views yet of a “reborn” black hole in action, revealing a dramatic outburst that has been compared to a “cosmic volcano” spreading across nearly one million light-years of space. The discovery centers on the galaxy J1007+3540, where scientists observed a supermassive black hole…

Forget daily pills. This shot works when blood pressure meds fail

A new clinical trial led by researchers at Queen Mary University of London suggests that a single injection given every six months may significantly lower blood pressure over time. The findings, published in JAMA, point to a long-lasting treatment option that could improve how hypertension is managed. The global study,…

Stanford scientists discover “natural Ozempic” without side effects

Scientists at Stanford Medicine have identified a naturally occurring molecule that appears to mimic some of the weight loss effects of semaglutide, the drug widely known as Ozempic. In animal studies, the molecule reduced appetite and body weight while avoiding several common side effects such as nausea, constipation, and muscle…

Why Ozempic doesn’t work for everyone: Scientists just found a hidden reason

More than one in four people with Type 2 diabetes use GLP-1 receptor agonists, a class of widely prescribed medications. However, new research from Stanford Medicine and international collaborators suggests these drugs may be less effective for some individuals due to genetic differences. About 10% of the population carries certain…

How aggressive breast cancer turns off the immune system

Breast cancer is the most commonly diagnosed cancer in women worldwide. According to the World Health Organization, about 2.3 million women were diagnosed with the disease in 2022, and roughly 670,000 died from it. While treatments have improved in recent years, some forms of breast cancer are especially aggressive and…

Hidden weak spots in HIV and Ebola revealed with breakthrough nanodisc technology

Viruses are highly effective at entering human cells, largely because of specialized proteins that cover their outer surfaces. These proteins are key targets in vaccine development. To study them, scientists typically create lab versions to see how the immune system might respond. However, these simplified versions often leave out important…

Life on Mars? Tiny cells just survived shock waves and toxic soil

Mars is a harsh and unforgiving world. Any life that may have existed there in the past, or could exist today or in the future, would need to survive intense environmental stress. Two major threats stand out. One is the powerful shock waves generated when meteorites slam into the planet’s…

The Universe is expanding too fast and scientists still can’t explain it

An international team of astronomers has delivered one of the clearest measurements yet of how quickly the nearby Universe is expanding. Instead of resolving a long-standing issue, the new result makes the problem even more difficult to ignore. The collaboration includes John Blakeslee of NSF NOIRLab, which is funded by…

Early weight gain is linked to lifelong health consequences

When people gain weight during life can play a major role in their health decades later. A large study of more than 600,000 individuals from Lund University in Sweden examined how weight changes between ages 17 and 60 relate to the risk of dying from different diseases. The findings point…

Two simple eating habits linked to lower weight, study finds

Maintaining a healthy weight may depend not only on food choices but also on meal timing. A study published in the International Journal of Behavioral Nutrition and Physical Activity found that two habits are linked to a lower body mass index (BMI) over time: extending the overnight fasting period and…

Unusual airborne toxin detected in the U.S. for the first time

Scientific fieldwork does not always go as planned. Researchers often set out with a clear goal, but sometimes the data leads them somewhere unexpected. That is exactly what happened during a University of Colorado Boulder field study in an agricultural region of Oklahoma. The team was using advanced instruments to…

A 67-year-old “crazy” theory about vitamin B1 has finally been proven

Chemists have achieved what many once considered impossible by stabilizing an extremely reactive molecule in water, confirming a 67-year-old theory about vitamin B1. The breakthrough not only resolves a long-standing biochemical puzzle, but also points toward cleaner, more efficient methods for producing pharmaceuticals. At the center of the discovery is…

Your nose could detect Alzheimer’s years before symptoms begin

A declining sense of smell may be one of the earliest warning signs of Alzheimer’s disease, appearing even before noticeable memory problems. New research from scientists at DZNE and Ludwig-Maximilians-Universität München (LMU) offers fresh insight into why this happens. The study points to the brain’s immune system as a key…

Scientists finally crack mystery of rare COVID vaccine blood clots

Researchers led by Flinders University, working with international collaborators, have uncovered how a rare blood clotting condition can develop after certain COVID19 adenovirus-based vaccines or even after a natural adenovirus infection. The team, which included scientists from Flinders University and Greifswald University, discovered that in a very small number of…

Scientists say we’ve been treating Alzheimer’s all wrong

Alzheimer’s disease (AD) remains one of the most pressing global health challenges, especially as aging populations continue to grow. The condition steadily erodes memory and thinking abilities, deeply affecting daily life. New treatments, including monoclonal antibodies such as lecanemab and donanemab, have offered some optimism by slowing cognitive decline. However,…

A common nutrient could supercharge cancer treatment

Researchers at the University of Chicago have uncovered a surprising new role for zeaxanthin, a plant-based compound best known for supporting eye health. According to findings published in Cell Reports Medicine, this common carotenoid may also help the immune system fight cancer by enhancing the activity of key immune cells.…

Gravitational waves may be hidden in the light atoms emit

Gravitational waves are tiny ripples in spacetime created by powerful cosmic events such as colliding black holes. Until now, scientists have detected them by measuring extremely small changes in distance using huge instruments that stretch for kilometers. A new theoretical study, accepted for publication in Physical Review Letters, suggests a…

This superconductivity dies then comes back to life

Researchers have uncovered and explained an unusual form of superconductivity that only appears under extremely strong magnetic fields. The work, led in part by Rice University physicist Andriy Nevidomskyy, was published in Science and describes how uranium ditelluride (UTe2) forms a distinctive superconducting halo when exposed to intense magnetic conditions.…

These cheap solar cells work better because they’re flawed

Lead-halide perovskites, even when packed with impurities and structural flaws, are remarkably effective at turning sunlight into electricity. Their performance is now approaching that of silicon-based solar cells, which have long dominated the industry. In a recent study published in Nature Communications, researchers at the Institute of Science and Technology…