National movements, like the one behind this demonstration in Santiago, Chile, have helped drive changes on campuses. MARCELO HERNANDEZ/GETTY IMAGES By Lindzi Wessel, Rodrigo Pérez Ortega Feb. 20, 2020 , 10:45 AM For decades, from his base at the University of Los Andes (Uniandes) in Bogotá, Colombia, biologist Adolfo Amézquita […]