Dunbar's number is based on the correlation between encephalization quotient and group size http://anthropology.net/2013/06/26/simulating-the-social-brain-hypothesis/ …pic.twitter.com/rVYADZlWP2
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@sarahdoingthing Eh, brains are overrated. Most people can get along fine without much of one. http://www.newscientist.com/article/dn12301-man-with-tiny-brain-shocks-doctors.html#.VKTx5kZXeJI …
@Meaningness I love those stories - possibly not even that uncommon!
@sarahdoingthing if ur brain is already a few tennis balls deep
@sarahdoingthing (for broader definitions of culture, look at birds, they have like a tenth of a tennis ball of brain)
@sarahdoingthing Politics is such a calamity, its having a tennis ball of nervous tissue cut out of your head.
@Outsideness @sarahdoingthing Lots of variables, though - ending ice age, plant domestication & dietary changes, species intermingling, etc
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