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Iron on its Route to the Sea-Floor Wednesday, February 11, 2009 - Anuradha Menon Home >> Headlines >> Environment   
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Iron dust, the rarest nutrient for most marine life, can be washed down by rivers or blown out to sea or--a surprising new study finds--float up from the sea floor in the material spewed from hydrothermal vents. The discovery, published online Feb. 8, 2009, in a paper in the journal Nature Geoscience, connects life at the surface to events occurring at extreme depths and pressures. The two worlds were long assumed to have little interaction. (source: nsf.gov)
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