Extraordinary Abilities

History is full of incredible individuals who prove that seemingly ordinary people can accomplish what many of us would define as impossible. We are often astonished at what can be achieved by our fellow man--from feats so incredible they appear to be "magic", to extrasensory abilities like remote viewing or enduring extreme temperatures by using one's mind--the capabilities of these individuals continue to astound and amaze us. Which begs the question, how do people develop such extraordinary abilities?