The stories behind the episodes — history, pop culture, and the little things that make you just dangerous enough to hold your own. New reads every week.
What is the birthday paradox? In a room of 23 people there's a 50.7% chance two share a birthday. The math, the World Cup proof, and why your gut refuses it.
Four things invented by accident, including penicillin, the microwave and Post-it Notes, plus the chocolate chip cookie story that probably wasn't an accident.
Ten Cadillacs buried in a Texas field, motels shaped like teepees, and a song written by a wife with better ideas. The strangest true stories from Route 66.
A C-grade college paper that changed the Constitution, Hamilton's secret contempt, and 8,000 living Washingtons. Semiquincentennial fun facts from Episode 110.