The Moral Molecule: the new science of what makes us good or evil - Tapa dura

"Paul Zak tells the remarkable story of how he discovered and explored the biochemistry of sympathy, love and trust with the narrative skill of a novelist. Philosophy, economics and biology have rarely been so entertaining" (Matt Ridley, author of "Genome")

"An ancient mammalian molecule prods us to bond with others. Paul Zak offers a most engaging account of this important discovery, bound to overthrow traditional thinking about human behavior, including economics and morality" (Frans de Waal, author of "The Age of Empathy")

"Paul Zak's investigations into the best things in life are inspired, rigorous, and tremendous fun. We need more daring economists like him" (Tyler Cowen, author of "The Great Stagnation" and "An Economist Gets Lunch")

"An engaging read" (BBC Focus)