A teacher at a D.C charter school was fired last week after sending third-grade students home with a set of math questions that invoked dead children, witchcraft, human barbecues and vigilante justice. Knowledge is power. more ›

A few years after Larry David and Jerry Seinfeld dominated network television with their “show about nothing,” Tom Stoppard astonished the theater with a play about everything. More specifically, the mathematical conceits that govern the ultimate predictability of everything. Or don’t. Learned opinion varies about the math. more ›