No One Knows If Decades-Old Nukes Would Actually Work
Atomic weapons are highly complex, surprisingly sensitive, and often pretty old. With testing banned, countries have to rely on good maintenance and simulations ..
Atomic weapons are highly complex, surprisingly sensitive, and often pretty old. With testing banned, countries have to rely on good maintenance and simulations ..
Reports that the JWST killed the reigning cosmological model have been exaggerated. But there’s still much to learn from the distant galaxies it glimpses. ..
Startups rush to gain a foothold in a burgeoning industry as New York and California move to legalize human composting. ..
In a factory on the outskirts of Glasgow, aerospace manufacturer Skyrora is building rockets for a space-bound taxi service for satellites. ..
Scientists are asking tough questions about the health effects of ultra-processed diets. The answers are complicated—and surprising. ..
A new kind of “edgeless” engineered tissue can fit any irregular shape, paving the way for hand and face grafts that look and move better. ..
Electrical stimulation applied to the spinal cord temporarily restored arm and hand movement in two patients. ..
This new lab experiment explores the physics involved in our star’s tumultuous interior regions—by creating a sphere of plasma. ..
Diffusion models generate incredible images by learning to reverse the process that, among other things, causes ink to spread through water. ..
Agriculture beat the Salinas into submission. Now, it has returned with a fury. ..