They're members of the global-minded teens club: (left to right) Toluwanimi Sola-Adeyemi of Lagos, Chloe McGill of Seattle and Emine Arcasoy of Chapel Hill. Courtesy of Tolu Sola-Adeyemi, Chloe McGill and Emine Arcasoy. hide caption

itoggle caption Courtesy of Tolu Sola-Adeyemi, Chloe McGill and Emine Arcasoy.

Dartmouth College President Philip Hanlon speaks Thursday to faculty and students about changes planned for the Ivy League school. Dartmouth banned hard liquor on campus and said all students will have to take part in a sexual violence prevention program all four years they are enrolled at the Ivy League school. Jim Cole/AP hide caption

itoggle caption Jim Cole/AP

New apartment buildings are replacing empty lots in Mantua, one of Philadelphia's poorest neighborhoods. Will Figg for NPR hide caption

itoggle caption Will Figg for NPR

Emily Neblett, a patient at the Monroe Carell Jr. Children's Hospital in Nashville, Tenn., demonstrates circuit pieces from the mobile maker space that are connected by magnets. Noah Nelson/Youth Radio hide caption

itoggle caption Noah Nelson/Youth Radio

One Saturday each month, the Pacific Science Center of Seattle opens early for people with autism spectrum disorders. John Keatley/Pacific Science Center hide caption

itoggle caption John Keatley/Pacific Science Center