Technology In a medical first, surgeons have used a robot to operate inside the human eye, greatly improving the accuracy of a delicate surgery to remove fine membrane growth on the retina. Such growth
If you’re one of the more than 30 million Americans with osteoarthritis, or OA, the most common form of arthritis, you’ve probably thought about treatments other than medication to ease pain. About 40
Always hungry? You may be eating the wrong foods You weren't all that hungry before your handful of chips or midday banana. But instead of tiding you over to your next meal, you are ravenous. What gives?
Ceres, the largest object in the asteroid belt between Mars and Jupiter, should be riddled with craters. But when NASA's Dawn spacecraft started orbiting the dwarf planet last year, scientists were surprised
Meet LUCA, the shared relative of you and me and everything else. As early as 3.8 billion years ago, life arose from the toxic waters of Earth's primordial slurry. Our ancient ancestor wasn't large, or