big brains, c-sections, & evolution

A very quick one tonight (I’ve just got back from a Schol Bio session in Hawkes Bay & the brain’s not up to much!) – PZ Myers has an excellent post critiquing a paper that suggested that human evolution could be affected by the increasing incidence of caesarian deliveries. This is an idea that’s cropped up from time to time when I’ve been speaking in schools. You should go over to Pharyngula & read PZ’s post; the comments & discussion are good too 🙂

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