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Water, water everywhere [link to http://www.scientificamerican.com/article.cfm?id=water-galore-on-moon-and-mars-2009-09 no longer works], and not a drop to drink.
Water, water everywhere [link to http://www.scientificamerican.com/article.cfm?id=water-galore-on-moon-and-mars-2009-09 no longer works], and not a drop to drink.