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History's New Oldest Tools

A fossil find rewinds the timeline for the creation of stone tools.

RELATED TAGS: ARCHAEOLOGY, HUMAN ORGINS
harmand
The road almost not taken led to the discovery of a lifetime. In 2011 archaeologists Sonia Harmand and Jason Lewis of Stony Brook University and colleagues took a wrong turn as they followed a creek bed, surveying sites around Lomekwi, near Kenya’s Lake Turkana. A team member spotted stone tools eroding from sediment laid down 3.3 million years ago, making them the oldest ever found. Up to 8 inches long, these tools are larger, heavier and less refined than those of the 2.6-million-year-o...
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