He's faster than a speeding bullet, more powerful than a locomotive, and able to leap tall buildings in a single bound - but do Superman's superpowers make sense outside of his fictional world when studied in a real-life lab? "Science of Superman" interviews the experts and uses highlights from comic books, television and film - including scenes from the 2006 summer blockbuster, "Superman Returns" - to examine the science behind the Man of Steel's extraordinary powers. "Science of Superman" also talks with the creative forces behind Superman's latest outing, actor Brandon Routh, director Bryan Singer, and screenwriters Michael Dougherty and Dan Harris, and answers such questions as: Why does Superman sometimes seem to strain to lift a car, while at other times he lifts heavier objects effortlessly? How many heroic tasks could Superman perform before he got tired? Does Superman require more oxygen than mere mortals?