In which the last universal physicist demonstrates to his students that ballpark estimates in math can be as powerful as precision, and John isn't sure if Romanians can count tomatoes. Certificate #46480.
In which an ancient linguistic and religious practice becomes a jaunty, ambulatory musical form before falling into decline, and John does not want to see condors in a hospital. Certificate #45133.
In which centuries of sterilization-happy doomsayers fail to predict a game-changing revolution in wheat, and Ken thinks Pakistan wants John to clean out his fridge. Certificate #2037.