The Science of Superheroes - Lois H. Gresh, Robert Weinberg - Google Books

http://books.google.de/books?id=I73ruGzpiWQC&pg=PA25

The truth about superpowers . . . science fact or science fiction?"An entertaining and informative guide to comic book wonders bound to come."—Julius Schwartz, Editor Emeritus, DC ComicsSuperman, Batman, The X-Men, Flash, Spider Man . . . they protect us…