Could we create a real-life superhero by changing human biology itself? The form and function of the human body, once entirely delimited by nature, are now fluid concepts thanks to recent advances in biomedical science and engineering. Professor, author, comic book enthusiast and ICORD researcher Dr. E. Paul Zehr has created a cottage industry using superheroes to share science. Now, after prior books on Batman, Iron Man, and Batgirl, he uses Marvel’s Captain America — an ordinary man turned into an extraordinary hero, thanks to a military science experiment — as an entry-point to this brave new world of science