Early humans in East Africa used hammerstones to strike stone cores and produce sharp flakes. When these stone flakes were removed from this stone core from, it also created sharp edges. For more than 2 million years, early humans used these tools to cut, pound, crush, and access new foods—including meat and bone marrow from large animals.
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Oldowan Tools from Lokalalei, Kenya
Date of Discovery: 1997
Discovered by: A team led by Hélène Roche and Mzalendo Kibunjia
Age: About 2.3 million years old
Location of Discovery: Lokalalei, Kenya
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