A noted anthropologist explains how our sense of ethics has changed over the course of human evolution. By the author of Hierarchy of the Forest.

A leading cognitive scientist argues that a deep sense of good and evil is bred in the bone. From John Locke to Sigmund Freud, philosophers and psychologists ha

In this book, David Konstan argues that the modern concept of interpersonal forgiveness, in the full sense of the term, did not exist in ancient Greece and Rome

In order to describe the logic of morality, "contractualist" philosophers have studied how individuals behave when they choose to follow their moral intuitions.

To observe a dog's guilty look. to witness a gorilla's self-sacrifice for a wounded mate, to watch an elephant herd's communal effort on behalf of a stranded ca