A new archaeological site discovered by scientists working in Ethiopia shows that the origins of stone tool production are older than 2.58 million years ago. Previously, the oldest evidence for systematic stone tool production and use was 2.58 to 2.55 million years ago.
from Latest Science News -- ScienceDaily http://bit.ly/2ZbdtIr
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Tuesday, June 4, 2019
Oldest flaked stone tools point to the repeated invention of stone tools
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