A man and his camels walk along the beach of Hammamet, southeast of Tunis, last month. At the time, people were protesting in the center of the capital, Tunis, calling for the government to resign. The popular revolution chased away tourists.
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An airline passenger wears a mask to protect against viruses. Passengers are at risk of becoming infected in the airplane's cabin, just as they would be in any crowded, confined space.
Eitan Abramovich/AFP via Getty Images
Airlines are using futures contracts to hedge against the cost of snow-related delays and cancellations. Here, a cargo plane takes off at Chicago's O'Hare International Airport, as workers try to clear another runway in the background.
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As raw documents from contemporary diplomats, the classified dispatches released by WikiLeaks offer insight that nobook or article could. But some professors worry that using the cables in the classroom could hurt their students' future careers.