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Researchers have found that deep winter mixing, a seasonal process which carries colder and deeper, nutrient-rich water to the surface, plays very crucial role in transporting iron to the surface.
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Scientists have shed light on how carbon is drawn down from the surface of the Southern Ocean to the deep waters beneath.
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The boat was pursuing the Japanese factory ship Nisshin Maru in six meter (20-foot) swells when the wave slammed into its port side.
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