Human ancestors like Australopithecus -- which lived around 3.5 million years ago in southern Africa -- ate very little to no meat, according to new research. This conclusion comes from an analysis of ...
A team of climate geochemists at the Max Planck Institute for Chemistry, University of the Witwatersrand and Princeton ...
Teeth are made of enamel, calcium, and other substances. This article defines key terms to help you understand how teeth fit ...
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