UPDATE: Scientists know some of the hazards contaminating the New Orleans floodwaters, but not all of them. Smart Dust, first reported in Discover in 2002, may help reveal what lurks in such environments. To find out how, visit
UPDATE: Scientists know some of the hazards contaminating the New Orleans floodwaters, but not all of them. Smart Dust, first reported in Discover in 2002, may help reveal what lurks in such environments. To find out how, visit
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