A new type of implanted device placed in the eye is bringing vision to people who were not otherwise able to see. It's far from simple and doesn't offer 20/20 eyesight, but it's making a huge difference in people's lives.
Bloomberg BusinessWeek reporter Peter Coy reports that many of the nuclear plants in the United States are built with the same technology as Japan's damaged Fukushima plant. But, he reports, there are newer and safer technologies, too.
Global Hawk drone aircraft are flying over Japan, inspecting damage from the earthquake and tsunami. We look at what a drone can do that a plane with people can't and where the drones might be used next.