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Humans arrived in North America 2,500 years earlier than thought

Stone tools have been found in sediments 15,500 years old, before the Clovis people are thought to have arrived in America


Stone tools were found in 15,500-year-old sediment, pushing back the oldest evidence of human occupation in North America. Photograph: Michael R Waters/Science

Humans first arrived in North America more than 2,500 years earlier than previously thought, according to an analysis of ancient stone tools found in Texas. And the people who left them appear to have developed a portable toolkit for killing and preparing meat.

Researchers found a haul of thousands of artefacts near the state capital, Austin, some of which were identified as blades and other tools. The material was buried in sediments that are between 13,200 and 15,500 years old.

Until now, the oldest evidence for human occupation in North America has come from the Clov

Added: Mar-24-2011 Occurred On: Mar-24-2011
By: The_Dogs_Bollox
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