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Phys.org / Physicists have measured 'negative time' in the lab
As Homer tells us, Odysseus made an epic journey, against the odds, from Troy to his home in Ithaca. He visited many lands, but mostly dwelt with the nymph Calypso on her island. We can imagine that his wife, Penelope, would ...
Medical Xpress / Study links childhood adversity, heart disease risk in adulthood
Lifestyle, environment, and genetics can shape heart disease risk, but a new study from UConn researchers explores how negative childhood incidents impact heart health in adulthood.
Medical Xpress / Supreme Court issues a stay, keeping the abortion pill mifepristone available by mail for now
U.S. Supreme Court Justice Samuel Alito Jr. issued an order Monday that allows patients to continue accessing the abortion pill mifepristone by mail, for now.
Phys.org / Life with one less: Engineered bacteria break the 20-amino-acid rule
One of life's many mysteries is how it ended up choosing only a set of 20 amino acids to build proteins for its wide catalog of organisms, from single-celled bacteria to behemoth whales. From a chemical standpoint, many of ...
Phys.org / Physics-based weather models more accurate than AI at predicting extreme weather
Weather forecasting is another aspect of modern life that artificial intelligence is transforming. Models like GraphCast, Pangu-Weather, and Fuxi are already better than traditional physics-based climate models at predicting ...
Science X / Is fasting the new anti-aging hack? For seniors, it's complicated
Think skipping meals is just for younger folks? Research suggests that when and how older adults eat can influence weight, heart health, and even cognitive function. There's a trade-off, though.
Phys.org / Frozen-in gravity: A new way to understand the evolution of spacetime dynamics
The concept of spacetime, first described in Einstein's theory of general relativity, has since been widely studied by many physicists worldwide. Spacetime is described mathematically as a four-dimensional (4D) continuum ...
Tech Xplore / Can AI ascertain our personality traits from our ChatGPT history?
Large language models (LLMs), the computational models underpinning the functioning of ChatGPT, Gemini, and similar conversational platforms, are now used daily by many people worldwide. As these models can rapidly answer ...
Tech Xplore / After a 40-year wait, technology finally enables three-sided zipper design
In 1985, the Innovative Design Fund placed an ad in Scientific American offering up to $10,000 to support clever prototypes for clothing, home decor, and textiles. William Freeman Ph.D., then an electrical engineer at Polaroid ...
Phys.org / Buried electrical pathways across the US reveal new clues about Earth's interior and power grid risks
A solar storm like the one that caused a nine-hour blackout across Quebec in 1989 could have even more dramatic effects if it struck the eastern United States today. Now, scientists have developed new tools to detect these ...
Phys.org / This 'living plastic' activates and self-destructs on command
Many plastic products are designed to be used only once, yet the material itself lasts for years. But a new strategy is addressing this problem by creating products that self-destruct on command, known as living plastics. ...
Medical Xpress / Omega-3 supplements may be linked to faster cognitive decline in seniors, study finds
Omega-3 supplements are popular among many older adults to help combat age-related issues. They are often marketed as supporting cardiovascular health and reducing the risk of cognitive decline and dementia. However, a new ...