Evolution of humans; brain vs. pelvis (Introduction)
by David Turell 
, Tuesday, August 28, 2012, 22:45 (4448 days ago) @ David Turell
Which came first, the bigger pelvis or the bigger head? Both had to work together or nothing would have happened. The following article answers little, but offers lots of supposition:-http://blogs.scientificamerican.com/observations/2012/08/28/why-humans-give-birth-to-helpless-babies/?WT_mc_id=SA_DD_20120828
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