In 2004, Sal Khan, a hedge fund analyst, began making math tutorials for his cousins. Twelve years later, Khan Academy has more than 42 million registered users from 190 countries, with tutorials on subjects from basic math through economics, art history, computer science, health, medicine and more.
Suki Kim's investigation, "Without You, There Is No Us: My Time with the Sons of North Korea's Elite," chronicles her six months undercover in Pyongyang during Kim Jong-Il's final six months. She worked as a teacher and a missionary in a university for future leaders -- all while writing her book.
The Teresa Carreño Youth Orchestra is the national high-school-age youth orchestra of El Sistema, made up of the best young musicians from throughout Venezuela. Gustavo Dudamel, himself a product of El Sistema, is the new musical director of the LA Philharmonic.