A Swiss cardiologist plots a cheeky graph that shows a country's chocolate consumption may predict its chances of winning a Nobel. John Loo/Flickr.com hide caption

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NIST physicist and Nobel Prize-winner David Wineland adjusts an ultraviolet laser beam used to manipulate ions in a high-vacuum apparatus containing an "ion trap." These devices have been used to demonstrate the basic operations required for a quantum computer. Copyright Geoffrey Wheeler/National Institute of Standards and Technology hide caption

itoggle caption Copyright Geoffrey Wheeler/National Institute of Standards and Technology

Elinor Ostrom in January 2011. Raveendran /AFP/Getty Images hide caption

itoggle caption Raveendran /AFP/Getty Images

Left to right: Nobel Peace Prize laureates President Ellen Johnson Sirleaf of Liberia, Liberian "peace warrior" Leymah Gbowee and Tawakkul Karman of Yemen.

AP hide caption

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Remnants of Tycho's Supernova, seen in an X-ray/infrared composite image. The supernova was observed by Tycho Brahe and other skywatchers in 1572.

MPIA/NASA hide caption

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