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Phys.org / Did a tsunami hit the Bristol Channel four centuries ago? Revisiting the great flood of 1607

People living on the low-lying shores of the Bristol Channel and Severn estuary began their day like any other on January 30, 1607. The weather was calm. The sky was bright.

54 minutes ago in Earth
Phys.org / 2D discrete time crystals realized on a quantum computer for the first time

Physical systems become inherently more complicated and difficult to produce in a lab as the number of dimensions they exist in increases—even more so in quantum systems. While discrete time crystals (DTCs) had been previously ...

1 hour ago in Physics
Tech Xplore / A new flexible AI chip for smart wearables is thinner than a human hair

The promise of smart wearables is often talked up, and while there have been some impressive innovations, we are still not seeing their full potential. Among the things holding them back is that the chips that operate them ...

Phys.org / Crosstalk inside cells helps pathogens evade drugs, study finds

Biologists have uncovered a new mode of communication inside cells that helps bacterial pathogens learn how to evade drugs. Their findings, published in the journal Nature Communications, describe how these mechanisms drive ...

1 hour ago in Biology
Phys.org / AI enables a who's who of brown bears in Alaska

A team of scientists from EPFL and Alaska Pacific University has developed an AI program that can recognize individual bears in the wild, despite the substantial changes that occur in their appearance over the summer season. ...

2 hours ago in Biology
Phys.org / The first headbutting paravian: Bird-like dinosaur likely used thick skull to win over mates

Whether it's digging up weathered bones from a paleontological site or reexamining forgotten trays in museum and university collections, the study of dinosaurs still throws up something new.

2 hours ago in Biology
Phys.org / A new method to search for ultralight dark matter with advanced optical cavities

Dark matter is a mysterious type of matter that does not emit, absorb, or reflect light, yet is predicted to account for most of the universe's mass. While physicists have gathered extensive indirect evidence of its existence, ...

5 hours ago in Astronomy & Space
Medical Xpress / Procrastination in adulthood linked to brain development during adolescence

Procrastination, the tendency to unnecessarily delay or put off tasks even if this will have negative consequences, is a common behavior for many people. While occasionally delaying or putting off bothersome tasks is not ...

5 hours ago in Psychology & Psychiatry
Phys.org / Gaia data reveal three galactic open clusters in detail

Using ESA's Gaia satellite, astronomers have investigated three open clusters in the galactic disk, namely Berkeley 17, 18 and 39. Results of the new study, published January 21 on the arXiv pre-print server, yield crucial ...

5 hours ago in Astronomy & Space
Tech Xplore / New light-emitting artificial neurons could run AI systems more reliably

Over the past decades, computer scientists have developed increasingly advanced artificial intelligence (AI) systems that perform well on various tasks, including the analysis or generation of images, videos, audio recordings ...

Phys.org / Cleaner ship fuel changed clouds, but not their climate balance

To reduce air pollution associated with ocean transport, the International Maritime Organization tightened restrictions on sulfur content in ship fuel, resulting in an 80% reduction in emissions by 2020. That shift created ...

1 hour ago in Earth
Medical Xpress / AI tool helps predict which patients need continued care after leaving the hospital

An artificial intelligence (AI) tool accurately predicted which patients would need a skilled nursing facility after leaving the hospital, a new study shows. Led by researchers from NYU Langone Health, the study suggests ...

1 hour ago in Medical economics