Christopher Ryan

The 10th-anniversary edition of Sex at Dawn by Christopher Ryan and Cacilda Jetha offers a profound re-evaluation of the origins and nature of human sexuality. This thought-provoking and revolutionary book challenges conventional beliefs that sexual monogamy is inherent in human beings. Mainstream science, along with religious and cultural institutions, has long upheld the idea that men and women evolved within...

The New York Times bestselling coauthor of Sex at Dawn explores the ways in which “progress” has perverted the way we live—how we eat, learn, feel, mate, parent, communicate, work, and die—in this “engaging, extensively documented, well-organized, and thought-provoking” (Booklist) book. Most of us have instinctive evidence the world is ending—balmy December days, face-to-face conversation replaced with heads-to-screens zomboidism, a...

The New York Times bestselling coauthor of Sex at Dawn explores the ways in which “progress” has perverted the way we live: how we eat, learn, feel, mate, parent, communicate, work, and die. Most of us have instinctive evidence the world is ending—balmy December days, face-to-face conversation replaced with heads-to-screens zomboidism, a world at constant war, a political system in...