Remembering Russia's Dark Past: Tom Rob Smith's crime novels follow Soviet security agent Leo Demidov through 1950s Moscow, when Josef Stalin ruled the Kremlin and simply associating with the wrong people could land you in jail. And all that Malarkey via Flickr hide caption

itoggle caption And all that Malarkey via Flickr

In 1938, A&P had more than 13,000 stores from coast to coast, like this one in Somerset, Ohio. Over the next four years, the company's transition to a new supermarket format would cut that store count in half. Ben Shahn/Library of Congress hide caption

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According to Catherine Salmon, middle children's negotiating skills are often better developed than those of their siblings. hide caption

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Alice Waters is the author of eight books, including The Art of Simple Food: Notes and Recipes from a Delicious Revolution. Platon/courtesy of the author hide caption

itoggle caption Platon/courtesy of the author

President John F. Kennedy is one of many figures Nassir Ghaemi cites in his argument for a link between leadership and madness. National Archives/Getty Images hide caption

itoggle caption National Archives/Getty Images