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Phys.org / Fossil amber reveals the secret lives of Cretaceous ants

Tiny insects trapped in amber could tell us a great deal about their roles in past ecosystems: pollinators, parasites, predators, and prey. But how many of the insects preserved alongside each other reflect interactions during ...

Feb 27, 2026 in Biology
Phys.org / CT scans of Inca child sacrifices reveal new details about capacocha rituals

The Incas were known to engage in a sacrificial ritual involving children to appease their gods. Archaeologists have found and analyzed the remains of these human sacrifices, although not all of them have undergone CT scanning, ...

Feb 23, 2026 in Other Sciences
Phys.org / Protein regulator of sugars and fats may work with an unexpected partner—itself

A protein that is a key modulator of fat, glucose and cholesterol levels in the body usually works in tandem with another protein, but new research shows it can also work with an unexpected partner—itself. A team of Penn ...

Feb 27, 2026 in Biology
Medical Xpress / Not just drainage: Dural venous sinuses actively regulate brain immunity and fluid flow, study finds

National Institute of Neurological Disorders and Stroke investigators at the National Institutes of Health traced meningeal immune activity to dural venous sinuses that actively constrict and dilate, exchange fluid across ...

Feb 23, 2026 in Neuroscience
Phys.org / 5,000-year-old bureaucracy: Over 7,000 prehistoric seal impressions uncovered in western Iran

In the journal Antiquity, Dr. Shokouh Khosravi published preliminary findings of the largest known corpus of prehistoric seal impressions in the entire ancient world. The corpus, made up of over 7,000 seal impressions, more ...

Feb 22, 2026 in Other Sciences
Phys.org / Dogs are more like toddlers than cats when it comes to helping humans

Why does your dog rush to "help" when you are searching for something, while your cat seems… eh, less concerned? New research suggests that this difference may stem from deep evolutionary roots—and that, in certain situations, ...

Feb 26, 2026 in Biology
Phys.org / A study in stardust: Massive binary stars emit tiny carbon particles

Yale junior Donglin Wu leads a new study showing that some of the biggest stars in the universe shed some of the smallest dust particles. It's fitting that Wu's first major scientific journal article as lead author focuses ...

Feb 27, 2026 in Astronomy & Space
Medical Xpress / Testosterone increases severity of bacterial skin infections, researchers discover

Men are more susceptible than women to skin infections caused by Staphylococcus aureus bacteria, but the biological basis for this disparity has remained unclear. A new study led by UT Southwestern Medical Center researchers ...

Medical Xpress / Drug that targets immune cells shows potential as new treatment for diabetic heart disease

Researchers from Queen Mary University of London have found that a medication originally developed for glycemic control can reverse serious heart damage—not by controlling blood sugar as originally intended, but by retraining ...

Feb 27, 2026 in Cardiology
Phys.org / What does it mean to compute? Framework maps hidden computations running inside natural dynamic systems

Some computers are easy to spot. Artificial, human-built computers like those found in smartphones and laptops are abstract dynamic systems with observable computational elements like input, output, energy cost, and logical ...

Feb 26, 2026 in Physics
Phys.org / We may be underestimating the true carbon cost of northern wildfires

Wildfires in the northern boreal forests of Alaska, Canada, Scandinavia, and Russia may be more damaging to the climate than previously thought, a new UC Berkeley-led study suggests. That's because these fires don't just ...

Feb 27, 2026 in Earth
Tech Xplore / AI agents have their own social network: Moltbook study tracks topics and toxicity

The use of artificial intelligence (AI) agents, systems that learn to make predictions, generate content or tackle other tasks by analyzing large amounts of data, is becoming increasingly widespread. Some of these systems ...

Feb 23, 2026 in Computer Sciences