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Nature 407, 959-960 (26 October 2000) | doi:10.1038/35039665

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Photosynthesis: Carbon fix for a diatom

Ulf Riebesell

Water — the elixir of life — is often a scarce resource. Many land plants in warm and arid climates conserve water by temporarily closing their 'breathing tubes', the so-called stomata.