Los Angeles Clippers owner Donald Sterling at a game against the San Antonio Spurs on Nov. 7, 2012, in Los Angeles. Mark J. Terrill/AP hide caption

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The Concorde was fast and changed how we thought about travel here on Earth. In the future, we may well travel at speeds that change our relationship with time itself. David Parker/Getty Images hide caption

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The Large Hadron Collider's ATLAS detector under construction in 2005. ATLAS is one of the tools physicists are using to try and understand how the universe works. Maximilien Brice/CERN hide caption

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Head to Chicago for top-shelf comedy. iStockphoto hide caption

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Back in the day, people used to ask Frank Deford who he thought was the greatest boxer. Nowadays, nobody even asks about boxing. Getty Images hide caption

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A mentor can help bridge the gulf between having an interest in a subject and actually pursuing that interest through action. Above, a boy gazes up at an image of Albert Einstein on a wall in Tunis, Tunisia. Fethi Belaid/AFP/Getty Images hide caption

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