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Phys.org / eROSITA discovers a 'changing-look' Seyfert galaxy
Astronomers have tracked a dramatic "changing-look" active galactic nucleus (AGN) whose central supermassive black hole appeared to switch off and then rapidly reignite. The galaxy, HE 1237−2252, dimmed in X-rays by a factor ...
Phys.org / High-entropy catalyst lets ammonia fuel cell reach world-class power and durability
As ammonia gains attention as a next-generation energy source capable of overcoming the limits of hydrogen storage and transport, KAIST and a joint research team have developed fuel cell technology that directly uses ammonia ...
Medical Xpress / Smartphone data predict smoking cravings and lapses, with potential to treat addiction and other conditions
Minuscule movement patterns collected from smartphones and often undetectable to humans have been used to predict cravings and compulsive behaviors with groundbreaking accuracy—potentially offering timely and bespoke treatment ...
Medical Xpress / EU regulator approves pill form of Novo Nordisk's Wegovy weight loss drug
Novo Nordisk has obtained approval for the pill form of its popular Wegovy anti-obesity drug in the European Union, the bloc's medicines regulator said on Friday.
Tech Xplore / Why the US EV battery supply still depends on imports despite domestic mining push
As electric vehicle (EV) adoption grows in the United States and globally, the demand for EV batteries and their critical materials—such as lithium, nickel, cobalt, and graphite—is expected to surge dramatically. This makes ...
Medical Xpress / Exercise hormone irisin could offer neuroprotective effects in multiple sclerosis
A new study offers clues as to why exercise can improve neurological symptoms in people with multiple sclerosis (MS). The study, led by investigators from Mass General Brigham and University Medical Center Hamburg-Eppendorf ...
Science X / Across Bronze Age Sweden, carved footprints point to a ritual for turning social ties into stone
Etched into the ancient rocky outcrops of southern Scandinavia and large boulders left behind by retreating glaciers are footprints, also called podomorphic petroglyphs. Some are barefoot with every toe visible, while others ...
Phys.org / Is organic farming the solution to enhance natural drought resilience in crops?
A study led by researchers from the Department of Microbiology at the University of Malaga has revealed how organic farming—using natural substances and processes and avoiding the use of synthetic chemicals—can, in the long ...
Phys.org / Better protecting consumers against fake reviews with a new training method
Online reviews play an important role in consumers' purchasing decisions. Yet many consumers struggle to recognize fake reviews, even though these are specifically designed to influence opinions and buying behavior. In her ...
Tech Xplore / Technology usually creates jobs for young, skilled workers. Will AI do the same?
At any given time, technology does two things to employment: It replaces traditional jobs, and it creates new lines of work. Machines replace farmers, but enable, say, aeronautical engineers to exist. So, if tech creates ...
Medical Xpress / Study reveals brain changes linked to alcohol addiction recovery
Scientists say they've uncovered striking new evidence of how alcohol addiction impacts the brain's learning systems—and how those systems may slowly adapt during recovery—in a new study published in Clinical Neurophysiology ...
Tech Xplore / Waymo pauses driverless car service in Atlanta and Texas ahead of potentially dangerous storms
Waymo has suspended driverless car services in Atlanta and Texas after one of its vehicles was stranded by flooding during heavy rains that will likely also hinder travel in a large swath of the U.S over the holiday weekend.
