Mussels on the Move

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Science  08 Mar 2002:
Vol. 295, Issue 5561, pp. 1821-1823
DOI: 10.1126/science.295.5561.1821b

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At last month's Ocean Sciences Meeting in Honolulu, researchers described how they used mitochondrial genes to chart the evolutionary course of mussels from shallow water to the ocean floor. Shallow-water mussels, they showed, hopped from sunken wood to whale bones before settling in to cold bottom seeps--regions where hydrocarbons or salts ooze out of the ocean floor--and hydrothermal vents. Other presentations discussed the " fingered, not stirred " mixing of the ocean and a mood swing in the North Pacific.