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A Little Fish's Evolution Revolution

Seattle Post-Intelligencer 05/16/2008
For most locals, getting the sewage out of Lake Washington beginning in the late 1960s was a good thing. Not so for the threespine stickleback. For the little fish, the pollution and associated algal murk was good cover to protect it from hungry trout. When the waste and water cleared, the stickleback faced a genetic scramble to evolve into a more protected, armored and ancestral version of itself. Go to article.
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