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Some outcomes of the evolutionary race buck conventional wisdom

In some cases, less fit organisms may out-survive their in-shape counterparts, according to a study reported in the March 18 issue of Science. The finding surprised researchers who assumed less fit organisms would be the eventual losers in evolution's fight for survival.

Microbial Ecology professor Richard Lenski of Michigan State University conducted the study with funding from the National Science Foundation (NSF).

Using easy-to-understand terms in a revealing video accompanying this release, Lenski describes his results and explains why his study is so unique.

"This remarkable long-term study continues to yield surprises, providing unprecedented detail on the richness and complexity of evolution," said Saran Twombly, a program manager in NSF's Division of Biological Infrastructure. "In this case, experiments reveal how and why the tradeoff between long-term success and short-term gain confers evolutionary success, providing evidence of a compromise long theorized to exist."


Contact: Lily Whiteman
National Science Foundation

Page: 1

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