While dexterous robots have been helping surgeons in America for some time, Edmonton's Royal Alexandra Hospital is finally getting with the program. Beginning in September, a four-armed surgical robot will be used in procedures to treat prostate cancer, and should provide a much improved in-depth view of the body as well as boosting overall agility while operating. One of the diminutive arms will grasp a camera while the others wield the tools, and trained surgeons will be controlling the action from a three-di