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Phys.org / Chandra resolves NGC 6540's mysterious X-ray flare into three separate sources
Using NASA's Chandra X-ray spacecraft, astronomers have performed deep X-ray observations of a galactic globular cluster known as NGC 6540. The new observational campaign, described June 1 on the preprint server arXiv, focused ...
Medical Xpress / Why glioblastoma keeps beating treatment: Hidden signaling axis could open new drug path
An international study led by a scientist at the University of Ottawa Faculty of Medicine is opening new frontiers in the fight against glioblastoma (GB), a devastating cancer behind the most malignant and treatment-resistant ...
Tech Xplore / Why asking people to rank three options could sharpen AI and recommendation systems
In his 1927 paper, "A law of comparative judgment," the American psychologist L. L. Thurstone proposed that when people select one option among multiple alternatives, they are picking the one that has the highest value to ...
Phys.org / Nuclear clocks tick for the first time
Two independent research teams have achieved a longstanding goal in physics: building a working nuclear clock. The devices, developed by Beichen Huang and colleagues at Tsinghua University and by Luca Toscani De Col and colleagues ...
Phys.org / Chemical impurities make carbon surfaces superslippery, researchers find
Engineers often treat impurities as a problem to eliminate to improve material performance. But new research from Osaka Metropolitan University and Fraunhofer Institute for Mechanics of Materials IWM suggests that in some ...
Phys.org / Dogs and humans are more alike than we thought, study finds
The same biological signals that help predict lifespan in humans also appear in dogs, according to new research from the Dog Aging Project—a finding that could help scientists better understand aging in both species.
Phys.org / El Niño arrives and could rank among strongest events since 1950
The phenomenon El Niño has arrived, the U.S. weather agency said Thursday, and scientists expect the pattern, synonymous with droughts, floods and soaring temperatures, will intensify through the end of the year, potentially ...
Medical Xpress / Why some newborn flies sleep instead of eat: Gut blockage offers clues to brain-gut signals
The gut does much more than just digest food. Researchers at the University of Basel have discovered a surprising link between gut function, feeding and sleep in fruit flies. Their study adds to growing evidence that the ...
Phys.org / How directing water flows in the landscape could support groundwater and surface water streams
Researchers at the Leibniz Centre for Agricultural Landscape Research have investigated how water from streams can be stored in the aquifer during wet periods. Using an area in the lower Spree catchment in Brandenburg as ...
Phys.org / NASA's proposed Early eVolution Explorer mission aims to solve the radius valley mystery
A debate has been raging among planetary scientists for more than a decade—why are there so few exoplanets with a radius of about 1.8 times that of Earth? Exoplanets are currently largely grouped into two distinct categories—"super-Earths" ...
Phys.org / A 5.3-million‑year‑old whale graveyard has been found on the floor of the Indian Ocean
When a whale dies, a very special natural phenomenon can come alive. The carcass might float at the surface for some time, attracting sharks and other predators. As it becomes weathered, it may start to sink, falling through ...
Phys.org / A cornerstone of Milky Way history may need rewriting with evidence of multiple ancient mergers
Astronomers may have uncovered new details about one of the Milky Way's most important ancient collisions. Using data from the Dark Energy Spectroscopic Instrument (DESI) and a new clustering algorithm, researchers have found ...
