Researchers continue to make remarkable headway on the path to developing next-generation prosthetic limbs, but when you get right down to it, there's still a monumental gap separating us from a truly bionic replacement for arms and legs.

Michael Chorost, author of science autobiography Rebuilt, has a great article in Wired this month about a biotechnological breakthrough that could result in functional cyborgs. Using this biotech, people could access the internet with our brains.