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.

Why do people behave in moral ways in some circumstances, but not in others? In order to account fully for morality, Dennis Krebs departs from traditional appro

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

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

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