In Photos: Earthworks Scattered Throughout the Amazon

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Ring ditches

Credit: Heiko Prumers
Researchers have found that earthworks, consisting of an array of square, straight and ringlike ditches that dot the Bolivian and Brazilian Amazon existed…Read More »

before the rainforest sprouted up. Shown here, a ring ditch next to Laguna Granja in the Amazon of northeastern Bolivia. [Read full story]   Less «
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Jeanna Bryner, LiveScience Managing Editor

Jeanna Bryner

Before becoming managing editor, Jeanna served as a reporter for Live Science and for about three years. Previously she was an assistant editor at Scholastic's Science World magazine. Jeanna has an English degree from Salisbury University, a Master's degree in biogeochemistry and environmental sciences from the University of Maryland, and a science journalism degree from New York University.
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