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concepts
Nature 411, 745 (14 June 2001) | doi:10.1038/35081210
A watery arms race
Victor Smetacek1
Imagine yourself in a light forest looking upwards, seeing in your mind's eye only the chlorophyll-bearing cells of the canopy floating in mid-air, free from the attachment of leaves, twigs, branches and trunks. Now forget the forest and the trees, and see only blurred clouds of tiny green cells obscuring the blue sky beyond.
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