letters to nature 4. Wolpoff, M., Senut, B., Pickford, M. amp; Hawks, J. Sahelanthropus or ‘Sahelpithecus’? Nature 419, 581-582 (2002). 5. Brunet,

Geologically speaking, why is East Africa’s Great Rift Valley such an important region for conducting paleoanthropological research?
There are more than a few drawbacks to bipedal movement. What are the evolutionary benefits? Describe the theories in detail.
In the article on tchadensis, scans were used to help reveal and reinforce some anatomical details. How can 3D scans be applied to other areas of science? What applications can they have (you can be creative, use outside sources for this one)?







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