Institute of Human Origins http://www.asu.edu/clas/iho/
A non-profit, multidisciplinary research organization, affiliated with Arizona State University, dedicated to the recovery and analysis of the fossil evidence for human evolution.
Becoming Human http://www.becominghuman.org/
Arizona State University's Institute for Human Origins reviews four million years of human evolution in an interactive documentary. Includes an extensive glossary, a bibliography, and an annotated set of links. [Requires Flash and a high-speed connection.]