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Thursday, May 21

Earliest stone tools : Oldest stone tools pre-date earliest humans

The world's oldest stone tools have been discovered, scientists report.
They were unearthed from the shores of Lake Turkana in Kenya, and date to 3.3 million years ago.
They are 700,000 years older than any tools found before, even pre-dating the earliest humans in the Homo genus.
The find, reported in Nature, suggests that more ancient species, such asAustralopithecus afarensis or Kenyanthropus platyops, may have been more sophisticated than was thought.
"They are significantly earlier than anything that has been found previously," said Dr Nick Taylor, from the National Centre of Scientific Research (CNRS) in France and the University of Leiden in the Netherlands.
"It's really quite astonishing to think what separates the previous oldest site and this site is 700,000 years of time. It's monumental."
Stone tool
This stone tool is known as a core - flakes, used for cutting, are sheared away from its edges
The first tools from the site, which is called Lomekwi 3, were discovered in 2011. They were spotted after researchers took a wrong turn as they walked through the hot, dry Kenyan landscape.

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