Those on calorie-restricted diets are less prone to heart disease and diabetes, says Washington U. researcher John Holloszy.
For amputees, a prosthetic foot takes the effort out of walking.
New genetic analysis suggests that chimpanzees have adapted to their environment more rapidly than humans have.
Google Earth gives researchers a new perspective on how avian flu is spreading around the world.
Sony’s e-book reading device is the most ingenious to date. It may fail anyway.