A Different Theory of Why Human Birth Is Difficult
The Leakey Foundation - California Academy of Sciences
Natural selection was hard at work changing the human body over the last few million years, and much of that selection was driven by the challenges of being a mom. I will present a brief review of the evolution of the human female body, focusing on how natural selection helped mothers cope with the biomechanical demands of being a pregnant biped, with carrying infants and food over long distances, and with giving birth to large-brained babies."
