Every living thing within a couple miles died instantly. The next generation of Mars rover is already taking some test runs. The next remote-controlled buggy will be more independent and will even bring along a shovel to collect samples. That Finds Bad Guys A radar gun developed to detect the breathing and heart beats of Olympic archers was a failure. But the little device might help police track down criminals hiding behind behind doors and thick walls.
Humpbacks Sing for Their Supper Humpback whales have an interesting way of getting a meal.
These intelligent mammals hunt in groups, using their ominous underwater shrieks to corral herring for the kill. A century ago, Norwegian explorer Fridtjof Nansen sailed to the Arctic, then froze his ship into the icecap. Now a group of scientists from around the world is steaming north to do the same thing. They'll spend more than a year riding the ice pack to study global warming. To demonstrate just how tiny mechanical devices can get, scientists at Cornell University have built a guitar so small that it could fit inside a single human blood cell.