People roamed tip of South America 18,500 years ago

Stone tools and charred animal bones from Monte Verde help to rewrite human history in the New World

stone tool from Monte Verde

AMERICAN MADE  A 18,500- to 17,000-year-old stone artifact unearthed at Chile’s Monte Verde site, shown from the side (left) and top (right), contains smooth areas where pieces of the rock were struck off to create a scraping or cutting tool. Researchers say humans first visited the site at least 18,500 years ago.

T. Dillehay

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