GLP-1 drugs appear psychiatrically safe, but one finding still raises questions
With millions of patients now taking GLP-1 drugs, researchers examined whether concerns about depression and suicidality are supported…
Biology’s four-letter DNA alphabet just expanded to eight
Researchers showed that E. coli RNA polymerase can read and transcribe an eight-letter genetic alphabet containing four natural…
Sea salt may have made Snowball Earth far colder than previously thought
Salt crystals left behind on extremely cold tropical sea ice may have reflected as much as 93% of…
Ancient DNA rewrites the story of the extinct North America ‘Cheetah’
Ancient DNA shows the extinct “American cheetah,” Miracinonyx trumani, was actually the sister species of modern pumas, with…
JWST detected an icy world beyond Jupiter transforming into a comet
JWST detected carbon dioxide gas around the active Centaur 450P/LONEOS while finding no detectable water-vapor or carbon-monoxide emission,…
Tidal forces may have doomed an ancient moon around Venus
A hypothetical moon around early Venus could initially have migrated outward, only for tidal evolution to reverse its…
Astronomers confirm Einstein’s gravity by viewing light from behind a supermassive black hole
Astronomers detected delayed X-ray flashes consistent with light reflected from the far side of an accretion disk and…
Ancient parchment reveals historical evolution of destructive sheeppox virus
Some of Europe’s most well-known historic manuscripts, including the York Gospels, have proven to be biological time capsules…
Tumor environments sculpt diverse natural killer cells for cancer therapies
For decades, natural killer (NK) cells have been classified into two main groups based on surface markers: one…
Lab-grown micro bladder helps explain why urinary tract infections return
A lab-grown micro bladder may explain why urinary tract infections (UTIs) return so frequently, according to a study…
Genetic study links GLP-1 drugs to higher risk of male-pattern baldness
Men genetically predisposed to male-pattern baldness showed about 7% higher odds of hair loss when genetic variants predicted…
What your gut microbes may have to do with how your brain ages
From microbial metabolites and intestinal barriers to immune signaling and the brain, researchers map the complex biological pathways…