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Phys.org / The Princess of Bagicz: Dendrochronology settles debate over age of rare Roman-era wooden coffin

Dr. Marta Chmiel-Chrzanowska and her colleagues conducted a multidisciplinary analysis of the only known preserved wooden coffin from the Roman Iron Age, the Princess of Bagicz. The study, published in Archaeometry, used ...

Feb 18, 2026 in Other Sciences
Phys.org / Chitosan-nickel biomaterial becomes stronger when wet, and could replace plastics

A new study led by the Institute for Bioengineering of Catalonia (IBEC) has unveiled the first biomaterial that is not only waterproof but actually becomes stronger in contact with water. The material is produced by the incorporation ...

Feb 18, 2026 in Chemistry
Phys.org / An indoor air scrubber developed to remove ammonia in poultry houses

Researchers from the USDA's Agricultural Research Service (ARS) are helping poultry farmers protect their flocks and their employees, while improving poultry production. ARS researchers recently developed an indoor air scrubber ...

Feb 24, 2026 in Biology
Phys.org / US weather and climate disasters could top $1 trillion by 2030

From tornadoes and hurricanes to wildfires and floods, weather and climate disasters cause billions of dollars in damage, on top of their steep human toll. Those costs could rise sharply in the years ahead, according to a ...

Feb 24, 2026 in Earth
Medical Xpress / Why nighttime heat drives a surge in suicide-related calls to crisis lines in Louisiana

Extreme heat poses serious risks to physical health but can also trigger a mental health emergency for some people. While the link between heat and suicide is well-documented, the specific stressors that drive someone to ...

Feb 20, 2026 in Psychology & Psychiatry
Phys.org / Hiding in plain sight: Discovery of cryptic species could double the number of vertebrates

There may be twice as many vertebrates on the planet as previous estimates claimed, according to a new study published in the journal Proceedings of the Royal Society B: Biological Sciences. That's not because of any errors ...

Feb 19, 2026 in Biology
Tech Xplore / Ensuring smartphones have not been tampered with

With increasing cyberattacks and government data breaches, one of the most important devices to keep secure is the one in everyone's pocket: smartphones. The problem is that it is difficult to check that a smartphone has ...

Feb 24, 2026 in Consumer & Gadgets
Medical Xpress / How an anti-obesity drug improves metabolism beyond weight loss

Tirzepatide is one of the drugs that has revolutionized the treatment of obesity and other conditions such as diabetes in recent years. Despite its clinical success, its precise molecular and cellular mechanisms are still ...

Feb 24, 2026 in Overweight & Obesity
Phys.org / How early farming unintentionally bred highly competitive 'warrior' wheat

An evolutionary "arms race" for light and space led to the early domestication of wheat, according to new research that could offer fresh insights into crop design. The study led by Dr. Yixiang Shan and Professor Colin Osborne, ...

Feb 20, 2026 in Biology
Phys.org / 'The plastic divide'—how carrier bag bans impact the poorest communities

A new study from The University of Manchester has shed light on an unexpected consequence of plastic bag bans in East Africa, and why well-intentioned environmental laws may actually be making life harder for the people they ...

Feb 24, 2026 in Earth
Tech Xplore / How can you avoid AI sycophancy? Keep it professional, researchers say

Drawing boundaries isn't just important for relationships with humans anymore. It could be the key to people's relationships with their favorite AI chatbots. Researchers recently discovered that the overly agreeable behavior ...

Feb 24, 2026 in Consumer & Gadgets
Medical Xpress / Gut microbes can affect the heart via the brain

Hypertension and heart failure affect millions worldwide. Yet in many patients, doctors cannot fully explain why the heart becomes stiff and struggles to relax—a condition known as diastolic dysfunction.

Feb 24, 2026 in Neuroscience