Workers unload bananas in New Orleans. Bananas Foster, one of New Orleans' favorite desserts, is a lasting legacy of an oft-forgotten chapter in the city's history: the banana trade, which spawned banana republics.
Arnold Genthe/Library of Congress
One of the banana plants in the collection at the USDA's Tropical Agriculture Research Station in Puerto Rico. It's just one of many banana collections around the world that might just hold the key to stopping a fungus's deadly reach.