Do new controllers that purport to interpret brain activity really work?
Brain-injury survivors in the U.S. military need far better care.
New publications, experiments and breakthroughs in biotechnology--and what they mean.
A fully implantable hearing aid is showing promise.
Four decades ago, Norman E. Borlaug developed a wheat variety that fed the world. Now he's battling a pathogen whose spread could cause starvation.
Researchers are beginning to crack the code that gives humans our way with words.