#Mammals first evolved big brains for better sense of smell http://www.kurzweilai.net/mammals-first-evolved-big-brains-for-better-sense-of-smell … via @kurzweilainews I wonder why!
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#Mammals first evolved big brains for better sense of smell http://www.kurzweilai.net/mammals-first-evolved-big-brains-for-better-sense-of-smell … via @kurzweilainews I wonder why!