What's the single most important thing you can do during pregnancy? What does watching TV do to a child's brain? What's the best way to handle temper tantrums? Scientists know.

In his New York Times bestseller Brain Rules, Dr. John Medina showed us how our brains really work—and why we ought to redesign our workplaces and schools. Now, in Brain Rules for Baby, he shares what the latest science says about how to raise smart and