Did Sex Emerge from Cannibalism? Sex, Death and Kefir, by Lynn Margulis (1938–2011)

Editor's note: This essay, by renowned evolutionary biologist Lynn Margulis, was published in the August 1994 issue of Scientific American with the title, ” Sex, Death and Kefir .” Margulis died on Tuesday in her home, according to a statement released by the University of Massachusetts at Amherst, where she was a Distinguished University Professor of Geosciences.

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Did Sex Emerge from Cannibalism? Sex, Death and Kefir, by Lynn Margulis (1938–2011)