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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Researchers say some compounds in cocoa may help us fend off fat. Philippe Huguen/AFP/Getty Images hide caption

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If that Hershey's Kiss is your last, researchers say it's likely to taste better. John Rose/NPR hide caption

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Farmers dry cacao beans in Uchiza, Peru, a file photo from 2008. Researchers are exploring the wild cacao bounty of Peru's Amazon Basin, part of an effort to jump-start the country's premium cacao industry.

Martin Mejia/AP hide caption

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