Τρίτη 21 Φεβρουαρίου 2017

Are human heads getting larger? [Biological Sciences]

I am responding to the intriguing PNAS article by Mitteroecker et al. (1), “Cliff-edge model of obstetric selection in humans.” My understanding is that the authors believe that Caesarean section births will allow fetuses with larger heads to survive, thus allowing our species to evolve larger heads. This is an...

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