Education experts faced off on the motion "Embrace the Common Core" at an Intelligence Squared U.S. debate, moderated by John Donvan (center). Samuel LaHoz/Intelligence Squared U.S. hide caption
A sixth sense? A small patch of neurons on either side of the brain recognizes how many dots are on a screen. As more dots appear, active neurons shift to the right. Courtesy of Ben Harvey/Utretch University hide caption
Math and sports are expressions of our controlled creativity. Above, Brazil goalkeeper Julio Cesar watches as the ball sails past for an England goal by Frank Lampard during a friendly at London's Wembley Stadium on February 6, 2013. Adrian Dennis/AFP/Getty Images hide caption