Corrections and ClarificationsCorrection


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Science  07 Jun 1991:
Vol. 252, Issue 5011, pp. 1363
DOI: 10.1126/science.252.5011.1363


In Charles Mann's News Profile "Lynn Margulis: Science's unruly Mother Earth" (19 Apr., p. 378), the illustration on page 379 should have been credited to Walter Shearer, in Scientists on Gaia, S. Schneider and P. Boston, Eds. (MIT Press, Cambridge, MA, in press), based on measurements and observations of Russell Schnell, L. R. Maki, G. Vali, and their colleagues.

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