Learn how fossils form through sedimentation and mineralization. Discover types like moulds, casts, and trace fossils in our ...
Donald G. MacVicar Jr., 21-year-old Amherst senior and chemistry major, got the idea in a college bull session. After he tested it in the laboratory, MacVicar decided he had the answer to a problem ...
Ancient, fossilized teeth, uncovered during a decades-long archaeology project in northeastern Ethiopia, indicate that two different kinds of hominins, or human ancestors, lived in the same place ...
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