Dr. Daniel J. Levitin, a neuroscientist and musician, discusses his book I Heard There Was a Secret Chord, which explores the profound effects of music on the brain and body. Drawing on neuroscience and aesthetics, he explains how music...

When the Black Plague struck Europe in the 14th century, people didn't have much time to worry about their diets. Still, doctors warned that the most popular food and drinks in medieval England, such as fresh fruit and vegetables, could...