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Phys.org / Femtosecond laser technique captures elusive atomic oxygen in water

A never-before-seen image of individual oxygen atoms dissolved in water has been captured.

Dec 14, 2025 in Chemistry
Phys.org / Italian bears living near villages have evolved to be smaller and less aggressive, finds study

A paper in Molecular Biology and Evolution, reports that Italian bears living in areas with many villages evolved and became smaller and less aggressive.

Dec 15, 2025 in Biology
Phys.org / High-energy photons drive conversion of greenhouse gases into high-value chemicals, no catalyst needed

Scientists have found a way to turn carbon dioxide and methane, the two most notorious greenhouse gases, into useful chemicals without any expensive catalysts, using only light.

Dec 14, 2025 in Chemistry
Medical Xpress / Gut bacteria from amphibians and reptiles achieve complete tumor elimination in preclinical model

A research team of Prof. Eijiro Miyako at the Japan Advanced Institute of Science and Technology (JAIST) has discovered that the bacterium Ewingella americana, isolated from the intestines of Japanese tree frogs (Dryophytes ...

Dec 15, 2025 in Medical research
Phys.org / Supernova immersion model suggests Earth-like planets are more common in the universe

Rocky planets like our Earth may be far more common than previously thought, according to new research published in the journal Science Advances. It suggests that when our solar system formed, a nearby supernova (the massive ...

Dec 14, 2025 in Astronomy & Space
Phys.org / Ancient genetic 'start' signal found in bacteria, archaea and eukaryotes

A newly discovered promoter element "start" points to a shared regulatory syntax for controlling transcription initiation in bacteria, archaea, and eukaryotes.

Dec 15, 2025 in Biology
Tech Xplore / AI agents debate their way to improved mathematical reasoning

Large language models (LLMs), artificial intelligence (AI) systems that can process and generate texts in various languages, are now widely used worldwide to create written content, source information and even to code websites ...

Dec 14, 2025 in Computer Sciences
Phys.org / Is your dog or cat getting old? These simple gestures could help them live longer and happier lives

Geriatric veterinary care is in great shape, with dogs and cats living on average 11.3 years, according to French data. Our knowledge of how to accompany them in later life is expanding fast. We now know that simple changes ...

Dec 16, 2025 in Biology
Phys.org / Long-hypothesized dynamic transition seen in deeply supercooled water for the first time

In a new study published in Nature Physics, researchers have achieved the first experimental observation of a fragile-to-strong transition in deeply supercooled water, resolving a scientific puzzle that has persisted for ...

Dec 14, 2025 in Physics
Tech Xplore / How 3D printing creates stronger vehicle parts by solving aluminum's high-temperature weakness

Aluminum is prized for being lightweight and strong, but at high temperatures it loses strength. This has limited its use in engines, turbines, and other applications where parts must stay strong under high temperature conditions. ...

Dec 15, 2025 in Engineering
Phys.org / Rare, deep-sea encounter: Scientists observe 'extraordinary' seven-arm octopus

Almost a half-mile below the surface of Monterey Bay, California, scientists have recorded rare footage of a seven-arm octopus— only the fourth time the same research team has spotted the species in about four decades.

Dec 15, 2025 in Biology
Phys.org / Video: Lunar impact flash detected on the moon by Armagh Observatory and Planetarium

On 12 December 2025 at 03:09:36 UTC, astronomers at the Armagh Observatory and Planetarium (AOP) have captured what is believed to be the first video recording of a lunar impact flash in Ireland, and the second recorded from ...

Dec 15, 2025 in Astronomy & Space