The Social Leap

A study of how evolution has forged our modern lives—from work and relationships to leadership and innovation, as well as our quest for happiness. Human psychology is rife with contradictions: We work hard to achieve our goals, but happiness at our success is fleeting. We hope our friends will do well in life but can’t help feeling jealous if they do too well. We’re aghast at the thought of people we know being murdered but are unconcerned when our armed forces kill enemies we’ve never met. We c