Evolutionary Theory that Packs a Punch

Evolutionary Theory that Packs a Punch

 

Bones of the skull

Bones of the skull (Photo credit: Wikipedia)

Dietary changes have long been considered the primary driver of evolutionary changes to human facial structure, but two University of Utah researchers have proposed an alternative, and much more violent, theory. They say that fistfights and not food were the driving force. Evolutionary changes to facial bone structure, they contend, have strengthened the bones most often fractured when humans, usually males of the species, brawl, thereby limiting the injuries participants sustain. More… Discuss

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