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A gene-edited pig kidney kept a man with end-stage kidney disease off dialysis for 271 days before it failed and was removed. Eighty-two days later, he received a human kidney that worked…
A second has been defined as 9,192,631,770 swings of a microwave field tuned to a cesium atom. The definition works: satellite navigation, power grids and financial timestamps all rest on it. The…
Somewhere in the middle of a long health survey, a question asks whether you agree that you are talkative. A few pages later, whether you worry a lot. A few pages after that, whether you finish what…
The Hengduan Mountains run north to south along the eastern edge of Tibet, a corrugation of steep ridges and deep river gorges that packs alpine meadow, conifer forest and subtropical valley within a…
Spend the winter at the bottom of a cold pond and there is very little to work with: no food, and water so poor in oxygen that most animals would be in trouble within hours. Frogs manage it for…
A team led from University College Dublin has sequenced 21 ancient genomes of sheeppox virus, a disease of sheep, several of them recovered from medieval parchment, the animal skin that manuscripts…
Researchers at Harvard Medical School and collaborating labs report that macrophages, the immune cells that engulf pathogens, produce messenger RNAs stitched together from two separate genes, and…
Physicists at Ben-Gurion University of the Negev, working with colleagues in Germany, Britain and the United States, have measured the quantum phase that develops between two halves of a single…
Run a physics-based earthquake simulation and what comes back is oddly incomplete. The mechanics are sound (a fault ruptures, waves spread through layered rock, all of it solved from first…
Health Canada researchers dosed male and female mice with polystyrene nano- and microplastic particles for 28 days and found inflammation in the gallbladders of nine of 23 exposed males and two of 24…
A ribosome spends most of its working life waiting. The machine that builds every protein in every living cell cannot start until a messenger RNA happens to drift into it and thread through the right…
Capillaries in living tissue sit a fraction of a millimeter apart, and that spacing is why lab-grown beef has stayed flat. Muscle grown in a dish has no plumbing inside it and starves in the middle,…