Portland, Ore. — Surgically implanted pacemakers only last for about five years before their nonrechargeable batteries — which draw current of less than a microamp — must be replaced. And devices like ...

BEIJING -- Researchers have recently made a major breakthrough in the field of bionic vision, paving a new path for microscopic observation and high-end instrument development. The study, a ...

Shannon Nangle, a postdoctoral fellow, works in a lab at Harvard Medical School, but her focus is millions of miles away: Mars. Mars' atmosphere is composed mainly of carbon dioxide. That's potential ...