MIT is one of several schools that offer classes through edX, which provides free online courses in partnership with some of the country's top universities. Joe Raedle/Getty Images hide caption

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In Selma, director of photography Bradford Young wanted the camera to feel like a participant. "It was just about never retreating, always staying dangerously close to Martin Luther King," he says. Atsushi Nishijima/Paramount Pictures hide caption

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Monsoon clouds loom over New Delhi, the city at the center of Raj Kamal Jha's new novel. Manan Vatsyayana/AFP/Getty Images hide caption

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"I think it's a terrible critical sin to try to be different," says Robert Christgau, whose memoir Going into the City is a look back at his five decades of music writing. Joe Mabel/Wikipedia hide caption

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