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Phys.org / G protein simulations reveal how a critical signaling step works inside cells
UNC researchers discovered how a key step in cell signaling works by showing exactly how G proteins detach from receptors that many common medicines target.
Medical Xpress / How the cheese-noodle principle could help counter Alzheimer's
Researchers at the Paul Scherrer Institute PSI have clarified how spermine—a small molecule that regulates many processes in the body's cells—can guard against diseases such as Alzheimer's and Parkinson's: It renders ...
Phys.org / Calcite deposit from southern Nevada cave reveals 580,000 years of climate history
Climate history recorded in a calcite deposit in a southern Nevada cave indicates that the hot, arid southwestern United States experienced significant shifts in temperature and rainfall over the last 580,000 years.
Phys.org / Could the solution to the carbon problem be carbon itself?
Can we use carbon to help decarbonize the world and transform the energy and chemical industries? Yes, it seems, but there are some key challenges to overcome first.
Tech Xplore / AI agent learns to create 3D objects from sketches using CAD software
Computer-aided design (CAD) is the go-to method for designing most of today's physical products. Engineers use CAD to turn 2D sketches into 3D models that they can then test and refine before sending a final version to a ...
Phys.org / New nanogel technology destroys drug-resistant bacteria in hours
As the threat of antibiotic resistance grows, a Swansea University academic has led the development of a novel technology capable of killing some of the most dangerous bacteria known to medicine—with over 99.9% effectiveness ...
Medical Xpress / Higher screen time linked to ADHD symptoms and altered brain development
The digital age has fundamentally reshaped childhood, making screens an integral part of learning, socialization, and entertainment. Globally, screen time among adolescents has surged, accelerated by the isolation and remote ...
Tech Xplore / Fuel made from just air, power and water is taking off, but several things are holding it back
Imagine powering long-haul aircraft and heavy ships with fuels derived from just air, water and renewable electricity. This is moving from science fiction to the verge of reality, thanks to the falling price of renewables ...
Tech Xplore / The cost of thinking: Reasoning models share aspects of information processing with human brains
Large language models (LLMs) like ChatGPT can write an essay or plan a menu almost instantly. But until recently, it was also easy to stump them. The models, which rely on language patterns to respond to users' queries, often ...
Medical Xpress / Youth with mental health conditions share strikingly similar brain changes, regardless of diagnosis
An international study—the largest of its kind—has uncovered similar structural changes in the brains of young people diagnosed with anxiety disorders, depression, ADHD and conduct disorder, offering new insights into ...
Medical Xpress / Early brain differences may explain sex-specific risks for addiction
The roots of addiction risk may lie in how young brains function long before substance use begins, according to a new study from Weill Cornell Medicine. The investigators found that children with a family history of substance ...
Phys.org / The first-ever common language for cannabis and hemp aromas
Researchers have taken a significant step toward creating a standardized language for describing the aromas of cannabis and hemp.
