Artifacts found in Florida sinkhole could rewrite history

Scientists say a stone knife and other artifacts found deep underwater in a Florida sinkhole show people lived in that area some 14,500 years ago. That makes the ancient sinkhole the earliest well-documented site for human presence in the southeastern U.S., and important for understanding the settling of the Americas, experts said. The findings confirm claims made more than a decade ago about the site, some 30 miles southeast of Tallahassee. At that time, researchers reported evidence that humans were there some 14,400 years ago. But in an era when…

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