Dr. Yohannes Haile-Selassie is the director of the Institute of Human Origins at Arizona State University, and a professor in the School of Human Evolution and Social Change.
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Telling the tale of human origins, one fossil tooth at a time
Yohannes Haile-Selassie has a talent for spotting fossils, and has discovered ancestors on several branches of the human family tree.
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10:24
Chew on This: Jaw Fossils Provide Evidence of New Hominin
Scientists uncover evidence of new hominin species in the Afar region of Ethiopia.