Ugo Pagano provides a stimulating account of the grand sweep of human existence on this planet, relying on a few carefully-chosen analytic tools, including the role of sexual selection, brain size, public versus positional goods, and complementarities. But in his telegraphic narrative the...

1871 saw the publication of two major treatises in economics, with self-seeking economic man at their center. In the same year Darwin published The Descent of Man, which emphasized sympathy and cooperation as well as self-interest, and contained a powerful argument that morality has evolved in...