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Tech Xplore / Who does AI consider an expert? New benchmark shows bias across 22 LLMs

AI chatbots powered by large language models (LLMs) are widely used as recommender systems. While accelerating access to information, AI can also give factually incorrect responses or propagate societal biases.

Aug 24, 2026
Phys.org / How chromosomes find their partners

For a long time, so-called satellite DNA was considered largely worthless. Now, ETH Zurich researchers have shown in fruit flies that these repetitive sections of genetic material act as a kind of barcode, enabling the correct ...

Aug 24, 2026
Phys.org / Universal pattern revealed in quantum matter

When different materials transition from one phase to another, such as water coming to a boil or a magnet losing its ability to attract metals, something remarkable can happen: They begin to behave identically, following ...

Aug 19, 2026
Phys.org / From nuisance to new resource: Prickly pear could support fuels, foods and rural growers

Texans often view prickly pear cactus as a nuisance, but researchers with Texas A&M AgriLife Research are seeking opportunity. Susanne Talcott, Ph.D., a molecular researcher and professor in the Texas A&M Department of Food ...

Aug 25, 2026
Medical Xpress / New fibroblast state reveals how lung tumors may suppress immune defenses

Researchers at Columbia University have identified a previously unknown population of fibroblasts that may protect lung tumors from immune attack. The work, published in Nature Immunology, illuminates a previously unknown ...

Aug 24, 2026
Dialog / Blood-clotting protein may be SARS-CoV-2's hidden accomplice, helping it hide from antibodies and reach blood vessels

Fibrinogen, the abundant plasma protein best known for forming blood clots, may play a second and far less benign role during SARS-CoV-2 infection: acting as a molecular bridge that simultaneously hides the virus from neutralizing ...

Aug 24, 2026
Medical Xpress / Citrus compound reverses some signs of liver aging in older mice

The liver is a jack-of-all-trades and a master of all. From removing harmful substances and secreting bile to metabolizing proteins, carbohydrates and fats and managing the immune system, the liver does it all. As we age, ...

Aug 20, 2026
Phys.org / Interplanetary spacecraft capture a coronal mass ejection component hidden from Earth

During a coronal mass ejection (CME), the sun hurls billions of tons of magnetized plasma into space. These eruptions are among the most powerful events in the solar system, and when they are aimed toward Earth, they can ...

Aug 21, 2026
Medical Xpress / Chronic illness climbs closer to a former nuclear site in California

Superfund sites typically cluster in low-income communities, where 62% of households earn less than $50,000 annually. But near the Santa Susana Field Laboratory in the hills northwest of Los Angeles, people are much wealthier. ...

Aug 26, 2026
Phys.org / How to CT scan a 400-pound crocodile

At 61, Bill had begun showing changes in his health—decreased appetite, weight loss and abdominal bloating. But his bloodwork was normal, leaving the cause of his symptoms unknown. The next step was clear: Bill should get ...

Aug 24, 2026
Medical Xpress / Doctors and scientists race to understand a rising form of heart failure

Approximately 3 million people in the United States are living with a condition called heart failure with preserved ejection fraction, or HFpEF. The number of people with this form of heart failure, which is more common in ...

Aug 24, 2026
Medical Xpress / Can you eat too much canned tuna?

Canned tuna is a lunch box staple for many people. It's affordable, high in protein and doesn't need to be cooked, making it a nutritious and convenient option for busy days.

Aug 25, 2026