So many of our most common resolutions for personal improvement are inherently narcissistic: Quit smoking, lose weight, get in shape. We want to look sexier, feel stronger and live forever. But beyond this alternately self-gratifying and self-flagellating topography lies the most quintessential self-improvement project of all: Being a better person. Can science show us how to re-engineer our moral behavior and live better lives? Robert and Joe explore.