Mental rehearsal might prepare our minds for action

Mentally running through a routine improves performance, but how that works isn’t clear. Now, a new tool – brain-machine interface – suggests the answer lies in how our brains prepare for action.

Hassle-free HIV test works better, sooner

Stanford researchers have developed a reliable, hassle-free HIV test – just what public health officials need to screen large numbers of people and head off potential outbreaks.

Cooling glove helps athletes and patients

What unites the needs of Ebola workers, people with multiple sclerosis and athletes comes down to one thing – cold hands. A device that cools the hands is finding widespread use from the playing field to the clinic.

Miniature droplets could solve an origin-of-life riddle

Before life could begin, something had to kickstart the production of critical molecules. Chemistry Professor Richard Zare says that something may have been as simple as a mist made up of tiny drops of water.

Speaking the brain’s language to treat disease

Brain-machine interfaces now treat neurological disease and change the way people with paralysis interact with the world. Improving those devices depends on getting better at translating the language of the brain.