The ancestors of humans started making tools about 3.3 million years ago. First they made them out of stone, then they switched to bone as a raw material. Until recently, the earliest clear evidence ...
ANTH copy has bookplate: Smithsonian Institution Libraries, Gift from the Margery Masinter Foundation Endowment for Illustrated Books. "In Stone Tools in Human Evolution, John J. Shea argues that over ...
In the dry, rugged badlands of Ethiopia’s Afar Region, a team of scientists has uncovered fossils that could change how you picture human evolution. These finds, dating back between 2.6 and 2.8 ...
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