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Medical Xpress / Silent B-cell mutations may build for years before thyroid autoimmunity appears

New research suggests that autoimmune diseases may be driven by DNA mutations in immune cells that remove the natural brakes on the immune system. It reveals a previously hidden role for somatic mutations—DNA changes acquired ...

13 hours ago
Phys.org / Cosmic dust identified as the source of Venus' enigmatic lower haze

Venus, often called Earth's twin, is in fact a planet of extremes. Beneath its thick carbon dioxide atmosphere are crushing surface temperatures and dense clouds of sulfuric acid. While the planet's main cloud layer sits ...

15 hours ago
Phys.org / Virtual sunspots help AI find rare magnetic matches in vast solar archives

Research led by Southwest Research Institute (SwRI) has integrated three types of machine learning models to generate solar magnetic patches with physical properties and used those as a query to find matching patches in real ...

6 hours ago
Medical Xpress / Researchers discover what may be the root cause of preeclampsia—and how to fix it

Preeclampsia is a life-threatening pregnancy complication that affects roughly 1 in 10 pregnancies worldwide and, in the United States alone, around 5%–8% of pregnancies. The condition can lead to severe, long-term health ...

15 hours ago
Phys.org / A 'blob' in a tank is helping scientists tease out the secrets of turbulence

In a tank on the bottom floor of a University of Chicago research laboratory, scientists summon "The Blob" into existence by firing water jets to create an artfully choreographed series of rings.

15 hours ago
Medical Xpress / Unlocking secrets of human development: How early nerve cell choices shape the peripheral nervous system

Millions of neurons branch throughout our bodies, keeping them in close communication with our brains. This peripheral network begins to take shape long before birth, as the cells of a growing embryo move into position and ...

6 hours ago
Medical Xpress / After TBI, smoothened agonists cut swelling, inflammation, and neurological deficits

Every year in the U.S., about a million people are treated at emergency rooms for traumatic brain injuries (TBIs), and about 50,000 people die from the injuries or complicating factors, according to the International Brain ...

4 hours ago
Phys.org / Research helps power safe return of astronauts in historic Orion splashdown

When NASA's Orion capsule splashed down in the Pacific Ocean April 10, completing a successful Artemis II mission milestone, a critical piece of the spacecraft's safe return traced back to research at Rice University.

4 hours ago
Phys.org / Four weeks of 'safe' low-level PFAS exposure in tap water altered embryo development in mice

An Adelaide University study has revealed that per- and polyfluoroalkyl substances (PFAS) found in tap water, at levels currently considered safe, affected the development of embryos, causing irreversible damage that may ...

15 hours ago
Phys.org / Contaminants, including ink, detected in meteorites suggest sample preparation needs improving

The IBeA group of the EHU-University of the Basque Country is proposing new measures to safeguard the purity of extraterrestrial samples. Several contaminants, including traces of ink, originating in the preparation of subsamples, ...

20 hours ago
Phys.org / After 9,000 years of cultivation, rice has reached its thermal limit

Rice has historically been a heat-loving plant. In fact, the wild ancestor of cultivated rice once grew primarily on the sweltering, rain-swept Malay and Indochina peninsulas as well as the islands of Southeast Asia. It wasn't ...

6 hours ago
Phys.org / Simple rules guide how proteins assemble and evolve, study finds

Researchers at Ben-Gurion University of the Negev have identified simple rules that explain how complex protein structures assemble correctly and remain functional over time, despite having many theoretically possible configurations. ...

7 hours ago