There have been a host of great questions this week in our general consideration of primates, and in looking in to some of your trickier questions, I have come across some resources that might be of interest.
1. For more information about the idea of selection for preterm human birth as a solution to the disparity between pelivs size and brain size, check out this Discover Magainze blog that presents the high points of a fascinating article that considers the genes responsible in this evolutionary trend.
2. If you want to watch a movie that covers much of what we discussed with respect to intelligence and cultural abilities, you will enjoy this David Attenborough movie called Clever Monkeys.