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About the Cover

Cover Figure


COVER Colorized scanning electron micrograph of a diatom chain collected by the Southern Ocean Iron Experiment (SOFeX); diatoms in the center of the chain have started to divide. Diatom colonies in Antarctic surface waters likely played a role in removing carbon dioxide from the atmosphere during glacial times. See page 408. [Image: S. J. Tanner and D. Breger; magnification x1890]

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Science. ISSN 0036-8075 (print), 1095-9203 (online)