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

itoggle caption John Loo/Flickr.com

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

itoggle caption Martin Mejia/AP