A Libyan rebel fighter readies himself before heading to battle against pro-Qaddafi forces, some 40 kilometers down the road of the northcentral city of Ras Lanuf on March 4, 2011. Forces loyal to Qaddafi have regained control of Zawiyah, near Tripoli, from rebel hands, state television reported. By Roberto Schmidt/AFP/Getty Images.
Nadia Lopez didn't think anybody cared about her middle school. Then Humans of New York told her story to the Internet—and everything changed.