Once you have made the decision to have heart valve replacement surgery, you, along with your surgeon, will need to decide what type of replacement valve is best for you. There are several types of ...

WASHINGTON — It's one of the most important pieces of forensic evidence following a plane crash: The so-called “black box." There are actually two of these remarkably sturdy devices ...

WASHINGTON — It's one of the most important pieces of forensic evidence following a plane crash: The so-called “black box." There are actually two of these remarkably sturdy devices: the cockpit voice ...