If human baby heads are so big that childbirth is dangerous for human females, how come we didn't evolve long conical heads or something?
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Replying to @vgr
@vgr not sure if you saw this going around recently http://www.sciencedaily.com/releases/2012/08/120827152037.htm …1 reply 0 retweets 2 likes
Replying to @sarahdoingthing
@sarahdoingthing hmm
10:29 PM - 30 Oct 2015
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