For many high school students returning to class, it may seem like geometry and trigonometry were created by the Greeks as a form of torture. So imagine our amazement when we heard two high school seniors had proved a mathematical puzzle that was thought to be impossible for two thousand years. We met Calcea Johnson and Ne'Kiya Jackson at their all-girls Catholic high school in New Orleans. And, as we first reported last year, we expected to find two mathematical prodigies. Instead, we found at St. Mary's Academy, all students are told their possibilities are boundless. Come Mardi Gras season,...