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Phys.org / Jupiter's Galilean moons may have gained life's building blocks at birth

Southwest Research Institute was part of an international team that demonstrated how complex organic molecules (COMs), key chemical precursors to life, could have been incorporated into Jupiter's Galilean moons during their ...

Feb 23, 2026 in Astronomy & Space
Tech Xplore / 'Probably' doesn't mean the same thing to your AI as it does to you

When a human says an event is "probable" or "likely," people generally have a shared, if fuzzy, understanding of what that means. But when an AI chatbot like ChatGPT uses the same word, it's not assessing the odds the way ...

Feb 24, 2026 in Computer Sciences
Medical Xpress / ChatGPT Health: First independent evaluation raises safety questions

ChatGPT Health, a widely used consumer artificial intelligence (AI) tool that provides health guidance directly to the public—including advice about how urgently to seek medical care—may fail to direct users appropriately ...

Feb 24, 2026 in Health informatics
Phys.org / Shorter early-life telomere length could predict survival in Arctic seabirds

A study published in Ecological and Evolutionary Physiology reveals a surprising link between cellular aging markers and survival in black-legged kittiwakes (members of the gull family). In the work titled "Who's coming home? ...

Feb 24, 2026 in Biology
Phys.org / The bouba-kiki effect: Baby chicks match sounds to shapes just like humans

When we hear certain sounds, our brains often pair them with specific shapes. For example, most people will associate a sharp-sounding word with a jagged, pointed shape, while a soft, rolling word is linked to something smooth ...

Feb 20, 2026 in Biology
Phys.org / Researchers create DNA detection tool to stop spread of invasive Asian swamp eels, bullseye snakeheads

In the canals, marshes, and swamps of the Florida Everglades, invasive fish are silently slipping into new waterways. Among them are the Asian swamp eel and the bullseye snakehead, two air-breathing predators that live in ...

Feb 25, 2026 in Biology
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 ...

Feb 20, 2026 in Astronomy & Space
Phys.org / Ice Age erosion may explain Appalachians' smoother northern peaks

Hike north on the Appalachian Trail and the scenery slowly transforms. Rugged, steep ridgelines in Tennessee and Virginia soften into the broad summits and smooth peaks of Pennsylvania and New Jersey. According to new research ...

Feb 24, 2026 in Earth
Medical Xpress / Why our immune system remembers vaccinations for decades

Why can the human immune system often remember a vaccination for a whole lifetime? Researchers at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen have now investigated this question. ...

Feb 24, 2026 in Immunology
Phys.org / When smaller means better: How device scaling enhances memory performance

Shrinking ferroelectric tunnel junctions can significantly boost their performance in memory devices, as reported by researchers from Science Tokyo. The team fabricated nanoscale junctions directly on silicon substrates and ...

Feb 24, 2026 in Nanotechnology
Phys.org / Water is bed bugs' kryptonite: The parasites avoid wet surfaces at all costs

Humans tend to fear bed bugs, and rightly so. The bloodsuckers are tough to get rid of once they've entered a home. But new research has, for the first time, identified one thing the bugs seem to fear—water and wet surfaces.

Feb 21, 2026 in Biology
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 ...

Feb 20, 2026 in Physics