Scientists assessed the dental tissue of 30 teeth from 10 individuals, obtaining data from canine and molar teeth to ...
AllAfrica on MSN
Early humans relied on simple stone tools for 300,000 years in a changing East African landscape
Our prehistoric human ancestors relied on deliberately modified and sharpened stone tools as early as 3.3 million years ago. The selection of rock type depended on how easily the material could be ...
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