These beans, grown on test plots at the International Center for Tropical Agriculture in Colombia, can thrive in temperatures that cripple most conventional beans. Courtesy of CIAT/Neil Palmer hide caption

itoggle caption Courtesy of CIAT/Neil Palmer

An Arkansas company is trying to cash in on an edamame boom in the U.S. Will Merydith/Flickr hide caption

itoggle caption Will Merydith/Flickr

Dried beans and legumes are healthy and cheap. iStockphoto.com hide caption

itoggle caption iStockphoto.com