United States President John F. Kennedy speaks at the American University commencement in Washington, D.C. on June 10, 1963.
Credit: Arnie Sachs / MediaPunch/IPX
At SoundBio in Seattle's University District, Theo Sauro, 7, works on a poster that says, 'When I grow up I'm going to study asteroids" during a March for Science poster party.
(Photos by Matt Mills...