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Phys.org / XRISM identifies gamma Cas X-ray origin, solving a 50-year-old stellar mystery

Visible to the naked eye in the constellation Cassiopeia, the star γ Cas has puzzled astrophysicists for half a century. It emits X-rays of an intensity and temperature incompatible with what one would expect from an ordinary ...

11 hours ago
Phys.org / Preparing for the next pandemic: Scientists discover a new class of influenza antivirals

Researchers from Leiden University, University of York, University of Barcelona/IQTCUB/ICREA and The Francis Crick Institute report a new class of experimental compounds that powerfully block influenza viruses. The findings ...

5 hours ago
Phys.org / Iron-substituted MoOₓ catalyst boosts oxygen evolution for alkaline water electrolysis

A Korea Institute of Materials Science (KIMS) research team, led by Dr. Dahee Park at the Hydrogen Energy Materials Research Center, has successfully developed a high-performance catalyst that significantly enhances the oxygen ...

3 hours ago
Medical Xpress / Prolonged war linked to widespread PTSD and suicidal behavior in Ukrainian children

An international research team led by the Research Center for Child Psychiatry at the University of Turku, Finland, reviewed the available evidence on the mental health of Ukrainian children and adolescents. Their scoping ...

3 hours ago
Phys.org / Shift in key cosmic inflation measurement could be a statistical artifact

For the last few decades, researchers have been studying what the universe looked like in its first seconds. It is generally accepted that the universe expanded exponentially in the first fraction of a second after the Big ...

20 hours ago
Tech Xplore / Sensor chips help identify deepfakes by adding cryptographic signatures to camera data

AI-generated images and videos pose a threat to democratic processes and undermine trust within society. Researchers at ETH Zurich have now developed chip technology that enables verification of the authenticity of sensor ...

5 hours ago
Phys.org / NASA to 'pause' orbital lunar space station project

NASA's chief on Tuesday said the US space agency "intends to pause" its Gateway project that would have created a space station in orbit around the moon, instead shifting focus toward "building a lunar base."

5 hours ago
Phys.org / Nanoparticles enable large-scale production of advanced cell therapies

Researchers from Xi'an Jiaotong-Liverpool University (XJTLU) in China have developed a streamlined process that makes it easier to produce tiny therapeutic particles released by cells, called exosomes, which are being explored ...

11 hours ago
Phys.org / CERN hails delicate test on transporting antimatter as a scientific success

Scientists in Geneva took some antiprotons out for a spin—a very delicate one—in a truck, in a never-tried-before test drive that has been deemed a success.

5 hours ago
Phys.org / A complicated future for a methane-cleansing molecule

Methane is a powerful greenhouse gas that is second only to carbon dioxide in driving up global temperatures. But it doesn't linger in the atmosphere for long thanks to molecules called hydroxyl radicals, which are known ...

5 hours ago
Medical Xpress / Widespread temptations bad news for people with a high risk of diabetes, says study

Type 2 diabetes is often triggered by a sedentary lifestyle or poor diet. At the same time, however, some people have genes that make it much more likely they will develop the disease. In other words, they are far more susceptible ...

3 hours ago
Phys.org / Agricultural soils exposed to controversial weedkiller may be unexpected breeding ground for hospital 'superbugs'

Each year, antimicrobial resistance (AMR) is responsible for an estimated 1.1 to 1.4 million deaths worldwide. Now, scientists have found evidence that the spread of AMR isn't always driven by bacteria evolving to resist ...

14 hours ago