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Rats controlled by implants in their brains could one day be used to search for landmines or the buried victims of earthquakes. Researchers have created 5 of these ?ratbots? and succeeded in steering them through an obstacle course by remote control. Dr. Sanjiv Talwar, of the State University of New York, says the ratbots can reach places inaccessible to humans or machines.
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Surgeons have carried out an operation on cybernetics professor Kevin Warwick so that his nervous system can be wired up to a computer. He?s the world?s first cyborg — part human and part machine.

Computer readings can be taken from the implant in his arm of electrical impulses coursing through his nerves. These signals encode movements like wiggling fingers and feelings like shock and pain. He hopes this leads to a medical breakthrough for people paralyzed by spinal cord damage, like actor Christopher Reeve. Warwick also hopes that some day the human brain can be upgraded with implants for extra memory, intelligence or X-ray vision.
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