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Phys.org / Animals were sharpening their senses long before the Cambrian explosion, ancient tracks reveal

Tracks left by some of the earliest complex animals are giving new insights into how they experienced the world. New research reveals how these creatures started to understand their surroundings, paving the way for animal ...

10 hours ago
Phys.org / Mathematicians say 'don't believe hype' on AI capabilities

Dozens of mathematicians signed a declaration Tuesday calling for the discipline to resist beating the drum for artificial intelligence developers.

11 hours ago
Phys.org / Strain creates moiré 2D materials without twisting or stacking, opening more scalable route

Cornell researchers have developed a new way to create moiré patterns—atomic-scale structures that can give materials unusual quantum behaviors—without relying on the traditionally used difficult-to-control twisting and stacking ...

4 hours ago
Phys.org / Lab evolution recreates COVID's path to omicron in months, reveals key conditions

A key step in the origin of many pandemics occurs when an animal-borne virus infects humans and then evolves to spread more efficiently from person to person. That is why scientists and physicians keep a close watch on viruses ...

8 hours ago
Phys.org / Six roads to safety: A critical threshold for wildfire survival

If your community was threatened by a wildfire, would you be able to quickly evacuate? A new study from UC Santa Barbara reveals that the number of roads out of a community may be one of the strongest predictors of wildfire ...

8 hours ago
Phys.org / 'Genetic brakes' reveal how embryos shape their limbs

Canadian scientists have made a significant advance in understanding the mechanisms that enable embryos to properly form their limbs, thanks to new research led by Université de Montréal medical professor Marie Kmita at the ...

8 hours ago
Phys.org / Fluorescent nanosensor detects key gut biomarker in minutes for faster testing

A research collaboration has developed a novel fluorescent nanosensor capable of rapidly detecting indole-3-propionic acid (IPA), an emerging biomarker linked to gut health and disease. The breakthrough is described in the ...

9 hours ago
Phys.org / Ancient altercations between musk turtles and alligator gar recorded in Florida's fossil record

Sometime between 5.5 and 5.6 million years ago, two shell crushers squared off in the languid currents of an ancient Florida river. The fossils they left behind, discovered by paleontologists at the Florida Museum of Natural ...

10 hours ago
Phys.org / Climate-based tool predicts coral bleaching months in advance, offering critical lead time for reef protection

Researchers at the Woods Hole Oceanographic Institution (WHOI) have developed a new method to predict coral bleaching five to six months before it occurs, giving reef managers valuable time to protect vulnerable ecosystems. ...

4 hours ago
Science X / Friendly AI may backfire when its tone doesn't match the moral dilemma

AI chatbots have become friends, confidants, even professional and health advisors for many people around the world. While the long-term consequences remain debated, it has become an undeniable reality of the ChatGPT era. ...

17 hours ago
Phys.org / Atomic reshuffle leads to record-breaking catalysts for hydrogen production

Researchers have discovered that atoms can be mixed, separated, and recombined within the same experiment, providing a pathway to a record-breaking catalyst for green hydrogen production. In their study, the team created ...

4 hours ago
Medical Xpress / Investigating neurodevelopmental unknowns and privacy risks of AI toys

A News and Perspectives article published in the Journal of Medical Internet Research investigates the potential implications of AI–enabled toys for children's well-being and development. Authored by JMIR Correspondent Simon ...

3 hours ago