Tissue engineering promises to repair and even replace damaged body parts.
Vaccines you eat will make immunization less painful and more accessible worldwide.
From the editor in chief
Medicine: Pig-to-human transplants could become standard practice in just a few years.
Cooling patients off could minimize the long-term damage caused by stroke or heart attack.
Lotus Discovery Server promises to plug "knowledge gaps" with advanced searching-but do you want to be found?