This Prosthetic Limb Actually Attaches to the Wearer’s Nerves

A prosthetic arm that connects directly to the nervous system gives the user fine control over…

Gentle Brain Stimulation Can Improve Memory During Sleep

Stimulating the frontal lobes of sleeping epilepsy patients improved their recall of information—and may one day…

The Quest for a Switch to Turn on Hunger

While weight-loss drugs are dialing down the urge to eat for many, others desperately need something…

The Long Covid Mystery Has a New Suspect

Immune cells called monocytes are triggered to help clear infection—but in some cases they never switch…

Covid Can Boost Your Response to Flu Vaccines—if You’re a Man

Scientists say a mild Covid infection increased immune benefits from a later flu vaccine, but with…

Why Do You Get Sick in the Winter? Blame Your Nose

A new study shows that as temperatures drop, nasal cells release fewer of the tiny protectors…

This Low-Cost Test for Hearing Loss Lives on a Smartphone

Audiology screening can be inaccessible for kids in low-resource areas. By utilizing off-the-shelf products, these scientists…

The Spooky Science of How Undead Spores Reanimate

These cells—and the way they reawaken—can tell biologists quite a lot about life, death, and the…

To Understand Brain Disorders, Consider the Astrocyte

Neurons get a lot of attention—but researchers think this star-shaped brain cell type could hold the key…

Randall Munroe Is Back to Answer Your Impossible Questions

The xkcd author and former NASA engineer tackles our questions about science education, solvable climate issues,…