If you haven't watched NOVA's 3-part special on human evolution, you're missing out. It's all online, so you have no excuse for missing it. It's visually amazing and the science is explained clearly. The series gives an outstanding overview of where the field of human evolution is now - what the evidence is, what the outstanding questions are, and what are the most promising answers to those questions at present. After 3 hours, you'll have a great basic grasp of human evolution. Read the feed: