Some of the most provocative artists today deal with biotechnology. Working with scientists and engineers, these artists transform living tissue and even their own bodies into works of art. Here are seven bio-artists whose contributions you should know.
A one-time intelligence analyst with the Pentagon, Aimee Mullins is an athlete, model, and activist. And she does it all using a collection of experimental prosthetic legs. She says her special "cheetah" legs give her superpowers.