"Read this book and discover sex again, but from a scientific perspective, and see why it evolved. It's almost as much fun, and needs less energy." - Peter Macinnis, author of 100 Discoveries: The Greatest Breakthroughs in History "How Sex Works manages to inject science writing with the prurient thrill of a gossip rag." -O magazine Medical maverick and New York Times bestselling author of Survival of the Sickest Dr. Sharon Moalem presents...