RENEE MONTAGNE, HOST:
Good morning. I'm Renee Montagne. Six researchers have spent months living on a volcano in Hawaii in a lava field that looks a lot like Mars. In fact, they were there to figure out what astronauts could eat on a long voyage to the red planet. Yesterday they emerged from their dome with a menu: freeze dried fruits and veggies, Spam - they made Cajun jambalaya with it - and a comfort food — the hazelnut chocolate spread known as Nutella. Said one researcher: That was something we craved. It's MORNING EDITION. Transcript provided by NPR, Copyright NPR.