Probably because of the source (Cracked.com, a humor site, albeit one which does often share interesting knowledge in a quirky way). Downvoters could be readin

Probably because of the source (Cracked.com, a humor site, albeit one which does often share interesting knowledge in a quirky way). Downvoters could be reading the post as a joke rather than in earnest. Apparently it is a legitimate published theory, as noted in Wikipedia: https://en.wikipedia.org/wiki/The_Creation_of_Adam#Portrayal_of_the_human_brain https://en.wikipedia.org/wiki/The_Creation_of_Adam#Portrayal... So is the theory that the shape represents the postpartum uterus, which seems thematically more fitting.