(via TED) With humor and charm, mathematician Eduardo Sáenz de Cabezón answers a question that’s wracked the brains of bored students the world over: What is math for? He shows the beauty of math as ...

The following script is from "TED Talks" which aired on April 19, 2015. Charlie Rose is the correspondent. Henry Schuster, producer. It has become a place where big ideas find a global audience. It is ...