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Nature 417, 597-598 (6 June 2002) | doi:10.1038/417597a

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Atmospheric chemistry: Iodine's air of importance

Charles E. Kolb

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Iodine-containing emissions from marine algae can be converted by sunlight into aerosol particles. If this phenomenon occurs on a large scale, it could have significant effects on climate.

The discovery of a previously unrecognized source of aerosol particles is big news to atmospheric scientists. Just such a source is described by O'Dowd et al.page 632 of this issue1.