Compare Liars, Lovers, and Heroes: What the New Brain Science Reveals About How We Become Who Are

The authors show how our humanity unfolds in precise stages as brain and world engage on increasingly complex levels. Their discussion embraces shaping forces as ancient as climate change over millennia and events as recent as the terrorism and heroism of September 11, and offers intriguing answers to some of our most enduring questions, including why we live together, love, kill — and sometimes lay down our lives for others.