Exoskeletons helping the paralysed to walk, tiny maggot-inspired devices gnawing at brain tumours, machines working tirelessly as hospital helpers: in many respects, the future of medicine is already here.
Experts say that, at the experimental level, human skills are already being enhanced or replaced by robots and other hi-tech substitutes -- and these may become commonplace just a few years from now. "If one had spoken of this 10 years ago, people would have said it's science fiction. Today, it is a reality,"
