In his new book, Radical Evolution: The Promise and Peril of Enhancing Our Minds, Our Bodies—And What It Means to Be Human, (Random House, 2005), author Joel Garreau describes research so cutting edge it seems mind-boggling: • A telekinetic monkey at Duke University in North Carolina uses its mind to move a robotic arm 600 miles (a thousand kilometers) away in Cambridge, Massachusetts. • At a Pentagon R-and-D facility in Virginia, program managers aim to create the ultimate warriors—soldiers that can fight without sleeping, tell their bodies to stop bleeding, and regrow lost hands and limbs. Garreau notes that regular...