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Medical Xpress / Newly found immune cells link strep throat to psoriasis

A common strep throat infection can trigger guttate psoriasis by altering the behavior of key immune cells, according to a new study from Karolinska Institutet published in eBioMedicine. The findings suggest how an infection ...

Feb 20, 2026 in Immunology
Phys.org / Impact-formed glass provides evidence of cosmic collision in Brazil about 6 million years ago

For the first time in Brazil, researchers have identified a field of tektites. These are natural glasses formed by the high-energy impact of extraterrestrial bodies against Earth's surface. These structures, named geraisites ...

Feb 20, 2026 in Astronomy & Space
Phys.org / New catalyst unlocks aluminum's ability to switch between oxidation states

Aluminum's journey has been remarkable, going from being more expensive than gold to one of the most widely used materials, from beverage cans to window frames and car parts. Scientists from the Southern University of Science ...

Feb 16, 2026 in Chemistry
Phys.org / Is teasing playful or harmful? It depends on a number of factors

Picture this: A group of girls are sitting at a table in the lunchroom when a boy walks by. One girl turns to another girl and laughingly says, "Oh, isn't that your boyfriend? You should go kiss him!"

Feb 21, 2026 in Other Sciences
Phys.org / How one genome creates two distinct fungal bodies

Creatures that can change from one form to another are a staple of science fiction: Think werewolves and Transformers. Nature, too, has its shapeshifters, such as dimorphic fungi. While scientists have known for some time ...

Feb 16, 2026 in Biology
Phys.org / NASA moon rocket hit by new problem, putting March launch with astronauts in jeopardy

NASA's new moon rocket suffered another setback Saturday, putting next month's planned launch with astronauts in jeopardy.

Feb 21, 2026 in Astronomy & Space
Phys.org / Quantum trembling: Why there are no truly flat molecules

Traditional chemistry textbooks present a tidy picture: Atoms in molecules occupy fixed positions, connected by rigid rods. A molecule such as formic acid (methanoic acid, HCOOH) is imagined as two-dimensional—flat as a ...

Feb 20, 2026 in Physics
Medical Xpress / Intermittent fasting doesn't have an edge for weight loss, but might still work for some, research shows

Intermittent fasting has become a buzzword in nutrition circles, with many people looking to it as a way to lose weight or improve their health.

Feb 21, 2026 in Overweight & Obesity
Phys.org / Phonon lasers unlock ultrabroadband acoustic frequency combs

Acoustic frequency combs organize sound or mechanical vibrations into a series of evenly spaced frequencies, much like the teeth on a comb. They are the acoustic counterparts of optical frequency combs, which consist of equally ...

Feb 20, 2026 in Physics
Medical Xpress / Why chronic pain lasts longer in women: Immune cells offer clues

Chronic pain lasts longer for women than men, and new research suggests differences in hormone-regulated immune cells, called monocytes, may help explain why.

Feb 20, 2026 in Neuroscience
Phys.org / Nanoengineers realize an on-chip excitonic hyperlens

When light passes through materials, it typically changes direction and bends in predictable ways. This change in direction, known as refraction, is caused by a change in the speed of light as it enters a new medium. In some ...

Feb 17, 2026 in Nanotechnology
Phys.org / Massive ceramics haul from a 14th-century shipwreck reveals Singapore's trading past

Singapore was a thriving trading hub hundreds of years before popular narratives depicted it as a quiet fishing village, according to a study of the cargo of a centuries-old shipwreck. Sometime during the middle of the 14th ...

Feb 17, 2026 in Other Sciences