Around 1970, Walter Mischel launched a classic experiment. He left a succession of 4-year-olds in a room with a bell and a marshmallow. If they rang the bell, he would come back and ...

Thomas Costain's book The Three Edwards describes the life of Raynald III, a 14th-century duke in what is now Belgium. Grossly overweight, Raynald was commonly called by his Latin ...