(August 12, 2014 at 1:12 am)StealthySkeptic Wrote: Interestingly enough, our evolution into bipedalism meant that human female hips had to become narrow in order to not cause our legs to topple over. But that narrow birth canal means that childbirth is always going to be naturally painful. A rather awful design, no?
Given the % of children and women who die in natural, no-hospital childbirth, bipedalism represents a truly massive risk and investment in having free hands. You're right-- it's quite remarkable for such a killer trait to persist so strongly.
