Tue, September 18, 2007, By DANIEL MACISAAC, The University of Alberta may be known for its study of dinosaurs, but prehistoric man is also enjoying a share of the limelight. Anthropologist Pamela Willoughby is sorting through artifacts she dug up in the East African country of Tanzania - some as old as 200,000 years - looking for clues to explain how cavemen became modern man. >>>
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