Terry Gross

The novel is about a flavor chemist who tests a sweetener on lab rats and monkeys and finds side effects the company covers up. Author Stephan Eirik Clark says he was inspired by Fast Food Nation.

Author Adam Rogers says there are lots of myths about what causes hangovers. His new book, Proof: The Science of Booze, explores these and other scientific mysteries of alcohol's effect on the body.

Lauren Bacall died Tuesday in New York at the age of 89. In 1994, she talked with Fresh Air about her early career, working with Marilyn Monroe and her intense love affair with Humphrey Bogart.