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Terry Collins Assoc) Advanced technologies capable of analyzing DNA in seawater will help answer some of humanity's oldest, most profound questions and concerns, including 'who lives in the sea?' -- beginning with species of interest in specific areas.To accelerate the pace towards the potentially far-reaching benefits of these technologies-both environmental and economic-organizers of the 1st US National Conference on Marine Environmental DNA (eDNA) today prescribed priority steps for government, researchers, industry and investors.