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Tech Xplore / AI chatbots provide less-accurate information to vulnerable users, study shows

Large language models (LLMs) have been championed as tools that could democratize access to information worldwide, offering knowledge in a user-friendly interface regardless of a person's background or location. However, ...

4 hours ago in Consumer & Gadgets
Medical Xpress / Key alterations discovered in the cerebral cortex of people with psychosis

Researchers at the University of Seville have analyzed alterations in the cerebral cortex in people suffering from psychosis. Their findings show that psychosis does not follow a single trajectory, but rather its evolution ...

2 hours ago in Psychology & Psychiatry
Tech Xplore / Shipping damage, measured in real time: How wireless origami cushioning could improve logistics

Origami, the traditional Japanese art of paper folding, has received considerable attention in engineering. By applying paper-folding principles, researchers have created compact structures that are flexible, lightweight, ...

4 hours ago in Engineering
Phys.org / The persistence of gravitational wave memory

Neutron stars are ultra-dense remnants of massive stars that collapsed after supernova explosions and are made up mostly of subatomic particles with no electric charge (i.e., neutrons). When two neutron stars collide, they ...

9 hours ago in Astronomy & Space
Medical Xpress / 'Kick it while it's down' approach to cancer treatment could improve cure rates

A new study provides hope that smarter timing of cancer treatments could improve cure rates. The study's Principal Investigator, Dr. Robert Noble, Senior Lecturer at the Department of Mathematics, City, St George's, University ...

4 hours ago in Oncology & Cancer
Phys.org / New generation of climate models sheds first light on long-standing Pacific puzzle

Researchers have long been puzzled by the observed cooling of the eastern tropical Pacific and the Southern Ocean accompanying global warming. Existing climate models have failed to capture this pattern. At the Max Planck ...

5 hours ago in Earth
Phys.org / Social media advertising suppresses voting in targeted communities, research shows

Messages intended to suppress votes can be precisely delivered to particularly vulnerable and consequential groups of people via social media and keep millions of them from casting ballots, according to a new study that is ...

4 hours ago in Other Sciences
Phys.org / Citizen science: Map the Earth's magnetic shield with the Space Umbrella Project

A stream of charged particles known as the solar wind flows from the sun toward Earth. Here, it meets Earth's magnetic fields, which shield our planet like a giant umbrella. The Space Umbrella project needs your help investigating ...

2 hours ago in Astronomy & Space
Phys.org / Quantum entanglement could link distant telescopes for sharper images

To capture higher-definition and sharper images of cosmological objects, astronomers sometimes combine the data collected by several telescopes. This approach, known as long-baseline interferometry, entails comparing the ...

9 hours ago in Physics
Phys.org / Near-infrared study finds no clear counterpart to mysterious gamma-ray source

Spanish astronomers have conducted a near-infrared study of an ultra-high energy gamma-ray source designated LHAASO J2108+5157. The new study, published February 11 on the arXiv preprint server, tries to unravel the mysterious ...

9 hours ago in Astronomy & Space
Medical Xpress / Toxic exposure creates disease risk over 20 generations, epigenetic inheritance study suggests

A single exposure to a toxic fungicide during pregnancy can increase the risk of disease for 20 subsequent generations—with inherited health problems worsening many generations after exposure. Those are the findings of ...

4 hours ago in Genetics
Phys.org / Birds change altitude to survive epic journeys across deserts and seas

Every year, billions of birds undertake extraordinary migrations, crossing vast deserts and open seas with no place to stop, feed, or rest. A new international study published in iScience by a consortium of researchers from ...

4 hours ago in Biology