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Fossil Feces Push Back Dates for Earliest Americans

Caption: Human coprolite radiocarbon dated to 12,300 BC. This image relates to an article that appeared in the April 3, 2008 issue of Science Express, published by AAAS. The study, by Dr. M. Thomas Gilbert and colleagues at University of Copenhagen in Copenhagen, Denmark, was titled "DNA from Pre-Clovis Human Coprolites in Oregon, North America."

Credit: Image courtesy of Dennis LeRoy Jenkins

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