A new device may offer a safer way to jump-start ailing hearts.
Researchers stimulate the growth of new retinal cells in mice.
A new, high-resolution imaging system captures "early" photons.
Sensory feedback via the tongue might improve neural prostheses.
Electrical activity from the surface of the brain may be precise enough to control prostheses, research shows.
Surgical lasers could soon heal cuts as well as make incisions.
New imaging methods may help distinguish brain damage from psychiatric disorders.
A portable sensor spots circulatory shock to save lives.
A cheap chip rapidly identifies cancer proteins in a drop of blood.
A compound that helps cells produce normal proteins from wonky genes could have a broad impact on genetic diseases.