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PSandusky writes "NASA is preparing to make use of Aquarius, the underwater laboratory off Key Largo, for an extended period of time to research the effects of isolation in habitats situated in extreme environments. Planned areas of research include extravehicular activity logistics and crew health and performance. According to NASA's factsheet, the mission will include some communication with schools and social media sites. (Found via Ars Technica's Twitter feed.)" Link to Original Source
Saliva causes cancer, but only if swallowed in small amounts over a long
period of time.
-- George Carlin