The number tells the story before anything else does. In November 2025, American doctors were writing leucovorin prescriptions for children with autism at a rate of 835 per 100,000 outpatient encounters.
May 19, 2026
A single tooth sits under a microscope in a clean room in Beijing. It is 400,000 years old.
May 19, 2026
A bowl-shaped particle, roughly a quarter of a micrometre across, drifts through the bloodstream.
May 19, 2026
The tau protein had already begun accumulating in the wrong places. Not dramatically, not in ways that would show up on a standard clinic assessment, but…
May 18, 2026
The fiber is thinner than a human hair, its tip coated with a film of gold so thin it barely counts as a layer at all.
May 18, 2026
The ring is barely visible to the naked eye. A loop of silicon nitride perhaps a fraction of a millimetre across, sitting on a chip the size of a shirt button, in a laboratory at Tokushima University in southwestern Japan.
May 18, 2026
The brain's immune cells are supposed to be fighters. In Parkinson's disease, they are: scan the brain tissue of a Parkinson's patient and you will find…
May 18, 2026
Somewhere in your brain right now, a tiny molecular gate is deciding whether an experience becomes a memory.
May 18, 2026
The moment you fall asleep, your throat starts forgetting what it's supposed to do.
May 18, 2026
The most fuel-efficient way to reach the Moon, it turns out, is to fly straight past it.
May 15, 2026
The advice has been drummed into us for decades. Crash diets don't work. Lose it slowly, keep it off forever.
May 15, 2026
Somewhere in the mineral lattice of your skeleton, calcium and phosphate ions are locked into a crystalline structure called hydroxyapatite.
May 15, 2026
Somewhere inside a large manufacturing plant, a turbofan bearing is beginning to fail.
May 15, 2026
For every three solar panels' worth of electricity that came online somewhere in the world between 2017 and 2023, the equivalent of one panel's worth of power quietly vanished.
May 15, 2026
