“Some behaviors that seem normal to contemporary people (and which are therefore readily assumed to be universal) would quickly destroy many small-scale… — Christopher Ryan Copy Share Image
“One-on-one revenge was common in foraging societies, and kin-against-kin blood feuds were common in tribal societies that had not been pacified by… — Steven Pinker Copy Share Image
“After all, we know that the foraging societies in which human beings evolved were small-scale, highly egalitarian groups who shared almost everything.… — Christopher Ryan Copy Share Image
