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The striking thing about psychedelics, clinically, is how long a single afternoon seems to last. A person takes one dose, spends a few hours somewhere strange, and reports feeling different for…
For a long time, Shimao was a puzzle sitting in plain sight. Rising in what is now northern Shaanxi Province about 4,000 years ago, it sprawled across roughly four square kilometers behind massive…
The headline you may have seen this week almost writes itself: lab-grown sperm. It is worth resisting, because the cells that a University of Pennsylvania team actually grew are not sperm. They are…
A laboratory experiment with rotating liquid metal has reached a state of turbulent convection that theory predicts for the interiors of planets and stars and that laboratories have struggled to…
The U.S. Food and Drug Administration has cleared a Roche blood test intended to help doctors in primary care, not only specialists, check whether a patient's memory problems are likely to involve…
A bacterium has no nervous system and no hormones, and it still knows when it is drowning in sodium. Part of how it knows is a piece of its own messenger RNA, folded into a pocket that closes around…
Giant viruses are actively infecting fungi, a kingdom of life in which the paper says they had not previously been definitively found, according to a study published Aug. 25 in the open-access…
In a humid forest of conifers and ferns, in what is now Inner Mongolia, the loudest thing in the undergrowth may have been an animal no human ear could have picked up. Its song was made by scraping…
The adult human hippocampus produces new neurons through a chain of cell states, and that chain appears to stall partway in people who had major depression, according to a study of donated brain…
At least 2.1 million people are envenomed by snakebites each year and at least 274,000 die, according to a modeling study published Aug. 25 in PLOS Medicine — the first global re-estimate the same…
The U.S. Food and Drug Administration has approved two regimens built around Ziihera (zanidatamab-hrii) as a first treatment for adults with HER2-positive gastroesophageal adenocarcinoma that cannot…
El Nino is famously a creature of the calendar. It flares roughly every two to seven years, tips global weather off its usual paths for a season or two, and fades. Ask what it does to the world's…