The science of empathy is now one of the most celebrated subjects of psychological and neuro-psychological enquiry and it has the potential to transform human society in spectacular ways. For instance, if a human being’s central nervous system carries blueprints for empathy, and if the health and vitality of one’s empathy circuits depend on one’s environment from conception through adulthood, what does that mean about our moralistic judgments of good and evil, and of punishment and reward? This well-written piece on the latest findings on empathy and on its limitations offers some surprising and heartening answers.