Marathon Mouse, Dinosaur Plague, Franklin Chang-Diaz,...
The first Latino-American astronaut is also a scientist designing a new generation of plasma-powered space vehicles.
(This video is no longer available for streaming.) Franklin Chang-Díaz was NASA's first Latin-American to go into space, and he's been there seven times, which ties the record. But his greatest accomplishment may be yet to come. The Costa Rican native is designing a plasma-based rocket engine that he believes will revolutionize space travel, putting our entire solar system at our disposal.