American Institute of Biological Sciences
Action Bioscience: Origins of Modern Humans: Multiregional or Out of Africa
Two migration theories are on the table for consideration. Weigh the evidence of each one in this article by Donald Johanson of Lucy fame.
Khan Academy
Khan Academy: Charles Darwin's Evidence for Evolution
An article reviewing over the life of Charles Darwin and his evidence of evolution. Find out how this young naturalist who took a trip around the world collecting evidence about how organisms have changed over time.