Sir Harold W. Kroto, a winner of the 1996 Nobel Prize in Chemistry, gave a lecture on nanoarchitecture in May 2007, in Brussels. "Find something to do where only your best effort will satisfy you," he advised students. Sebastien Pirlet/AFP/Getty Images hide caption

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Listen: Sir Harry Kroto Was More Than A Nobel Prize Winner
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The College Of William And Mary anthropology professor Barbara J. King presents her "last" lecture, on emotions in the animal world, as she prepares to retire from academic life. Courtesy of Skip Rowland hide caption

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Kendrick Lamar visits Brian Mooney's English classes at High Tech High School in North Bergen, N.J., on Monday. Adam Wolffbrandt/NPR hide caption

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A Visit From Kendrick Lamar — Best Day Of School Ever?
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'Building A Better Teacher': Dissecting America's Education Culture
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