"No one sees the world as Jason Padgett does. Water pours from the faucet in crystalline patterns, numbers call to mind distinct geometric shapes, and intricate fractal patterns emerge from the movement of tree branches, revealing the intrinsic mathematical designs hidden in the objects around us. Yet Padgett wasn't born this way. Twelve years ago, he had never made it past pre-algebra. But a violent mugging forever altered the way his brain works,...