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Phys.org / Quantum simulator reveals statistical localization that keeps most qubit states frozen

In the everyday world, governed by classical physics, the concept of equilibrium reigns. If you put a drop of ink into water, it will eventually evenly mix. If you put a glass of ice water on the kitchen table, it will eventually ...

15 hours ago in Physics
Medical Xpress / Early prenatal care, considered best for moms and babies, is on the decline in the US

Early prenatal care improves the chances of having a healthy pregnancy and baby. But a new federal report shows it's been on the decline.

4 hours ago in Obstetrics & gynaecology
Medical Xpress / Scientists find a mechanism showing how exercise protects the brain

Researchers at UC San Francisco have discovered a mechanism that could explain how exercise improves cognition by shoring up the brain's protective barrier. With age, the network of blood vessels—called the blood–brain ...

Phys.org / 'Boomerang' earthquake simulations suggest ricocheting ruptures may be more common than previously thought

An earthquake typically sets off ruptures that ripple out from its underground origins. But on rare occasions, seismologists have observed quakes that reverse course, further shaking up areas that they passed through only ...

15 hours ago in Earth
Phys.org / Colonists dredged away Sydney's natural oyster reefs. Now, scientists know how best to restore them

New research has identified optimal design for artificial habitats to support restoration of oyster reefs, based on a detailed understanding of natural oyster reef geometry. Published in the global journal Nature, the Sydney-based ...

21 hours ago in Biology
Phys.org / Map suggests up to 30% of western bird hotspots face severe wildfire risk

Up to 30% of bird diversity hotspots, places where large numbers of different bird species occur, in the western United States face threats from high-severity wildfires in the future that could eliminate critical forest habitats, ...

15 hours ago in Biology
Phys.org / Rare fossil at Montana museum records Tyrannosaurus attack

A fossil on display at Montana State University's Museum of the Rockies reveals how dinosaurs in the Tyrannosaurus genus may have subdued prey, and the specimen is the focus of a new collaborative research publication between ...

21 hours ago in Biology
Medical Xpress / COVID-19 vaccination during pregnancy may help prevent preeclampsia

A new multinational study from the INTERCOVID Consortium, including Ann & Robert H. Lurie Children's Hospital of Chicago, has found that COVID-19 vaccination during pregnancy, particularly when combined with a booster dose, ...

14 hours ago in Cardiology
Medical Xpress / The cells that never sleep: How slumber lets neurons clean up and stay healthy

When HHMI Investigator Amita Sehgal started studying sleep 25 years ago, the topic elicited a yawn from most biologists. "In the year 2000, if I had suggested to my department that we hire people working on sleep, they would ...

16 hours ago in Sleep disorders
Tech Xplore / OpenAI's Altman says world 'urgently' needs AI regulation

Sam Altman, head of ChatGPT maker OpenAI, told a global artificial intelligence conference on Thursday that the world "urgently" needs to regulate the fast-evolving technology.

4 hours ago in Machine learning & AI
Phys.org / Homes in the fire zone: Why wildland-urban blazes create significantly more air pollution

A research team led by the U.S. National Science Foundation National Center for Atmospheric Research (NSF NCAR) has published a foundational inventory of emissions produced by structures destroyed by fires in the wildland-urban ...

15 hours ago in Earth
Medical Xpress / FDA will drop two-study requirement for new drug approvals, aiming to speed access

The Food and Drug Administration plans to drop its longtime standard of requiring two rigorous studies to win approval for new drugs, the latest change from Trump administration officials vowing to speed up the availability ...

4 hours ago in Medical economics