Earthworms build big mounds to escape floodwaters

When researchers looking for archaeological remains in satellite imagery came across unidentified mounds — some as tall as humans — in the seasonally flooded wetlands of northern South America, they found a landscape shaped not by ancient civilizations but, rather, by modern earthworms.

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Lauren Milideo

Milideo recently completed her doctorate in geosciences at Penn State. She is now a freelance science writer. Follow her at @lwritesscience or check out her writing at www.laurenmilideo.com

Friday, August 26, 2016 - 06:00