‘Ardi,’ the 4.4 million-year-old skeleton recently found in Ethiopia, will completely change the story of early humans, UA anthropologists said. The fossil has been assigned to the genus Ardipithecus ...
The oldest distinguishing feature between humans and our ape cousins is our ability to walk on two legs—a trait known as bipedalism. Among mammals, only humans and our ancestors perform this atypical ...
Dr. Simpson’s primary research addresses exploring early human evolution between 6.5 and 1.0 Ma ago. Since 1992, Dr. Simpson has been conducting paleontological field research in the Afar region of ...
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