Science
Scientific discoveries and research
Famous oddball quasar isn't X-ray weak after all, astronomers say
For more than two decades, the quasar PHL 1811 has been considered the prototype of a rare class of "intrinsically X-ray weak" quasars, thought to produce unusu...
Human clinicians outperform AI stethoscope in diagnosing pet heart problems
Fourth-year veterinary students matched—and experienced clinicians outperformed—an AI-enabled digital stethoscope in diagnosing heart murmurs and arrhythmias in...
Immune 'reprogramming' could protect poultry from deadly diseases without antibiotics
University of Bristol–led researchers have identified a naturally occurring gut molecule that could strengthen chickens' immune response against a wide range of...
Spontaneous magnons synchronize with external signals at room temperature
Signals ride on waves of one kind or another: light, sound, radio. But new carriers are needed to relay information in next-generation devices. Disturbances or...
Community involvement essential for local decarbonization schemes to work, researchers say
Place-based decarbonization schemes designed to help communities become more sustainable must involve local people earlier and consider the range of different c...
What happens to nanoparticles when they enter the bloodstream?
The use of nanoparticles in drug delivery offers key advantages: they can enable targeted drug delivery, protect active ingredients from premature degradation,...
Hurricane Hunter data reveal early signs of strengthening tropical cyclones
Before tropical cyclones can significantly strengthen, they generally must first become vertically aligned, with their rotating centers stacked through the atmo...
River shipping emits nearly one-quarter of global shipping CO₂, analysis finds
River and canal ships generate roughly a quarter of the world's shipping carbon dioxide emissions, according to new research published in Nature Climate Change....
How drought is reshaping the spread of infectious diseases
From the American West to Europe, droughts are drying up rivers, fueling destructive fires and reshaping ecosystems. They are also changing the spread of infect...
Tropical trees show unexpected drought adaptability across Puerto Rico's rainfall extremes
Tropical forests store enormous amounts of carbon and harbor most of the world's terrestrial biodiversity, but scientists fear that increasingly severe droughts...
Mirage or miracle? JWST finds earliest known 'black hole star' at cosmic dawn
Little red dots have puzzled astronomers since their discovery in James Webb Space Telescope (JWST) data from the universe's deep past. Their "powering engines"...
When male suitors abound, female treefrogs have trouble picking mates
Much like an indecisive single person on a dating app, female treefrogs struggle to pick the most desirable mates when they have too many options to choose from...