Radical Ideas

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Science  13 Feb 1998:
Vol. 279, Issue 5353, pp. 1002-1003
DOI: 10.1126/science.279.5353.1002

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The hydroxy radical (OH) plays a unique and central role in atmospheric chemistry. In his research commentary, Ehhalt discusses results published in the 2 January 1998 issue of Science by Wennberg et al. in which the authors derived the ozone production rate from measurements of OH concentrations and some other key atmospheric constituents.