Oscar Fernandez Click Here To Listen For every befuddled math student who’s ever sat in class and thought, “When am I ever going to use this?” Fernandez, assistant professor of mathematics at Wellesley College, gleefully reveals the truth: the world really does run on math. He takes a day-in-the-life approach to his subject: getting out of bed introduces trigonometry and how it can be used to describe and predict sleep cycles, while water running from a faucet allows him to address gravity and how its influence shapes motion into parabolic curves. The morning news leads to derivatives and how they can chart unemployment rates and population growth. A stray thought during a morning meeting stirs [...]