Popular Science - Limbs of Steel:
"Today’s most driven disabled athletes are revolutionizing prosthetics by turning their limbs into sport-specific power tools. From hands shaped like ice axes to blade runners for feet, these prostheses are smarter, lighter, stronger and sexier than ever before. And talk about extreme athletes—the men and women using them have overcome enormous physical challenges to climb the world’s tallest mountains, cross finish lines with record speeds, and change the world’s perception of what’s possible."