In Search of the Lost Cord is a scientific detective story, the stuff of science fiction en route to science fact. People trapped by the limitation of paralyzed limbs, rendered useless by devastating, catastrophic injuries to their spinal cords, may one day walk again. If the research is successful... if the scientists hit on the right strategy for approaching the problem, we may yet see miracles happen. In her new book, science journalist, Luba Vikhanski profiles the rapidly developing field