Bionic Rats

EmmaLouise99 pointed us over to an article in which scientists have gotten rats to control a simple robot arm through the activity of brain cells. The report comes in this month of Nature Neuroscience, and the obvious applications are for paralyzed people. I remember reading in Discover as well about a similar situation with little go-karts and insect brains-hooking up the sections that controlled wing movement, and letting them they think they were flying, but actually controlling the karts movement.