" As novelist Margaret Atwood wrote to explain women’s absence from quest-for-identity novels, “there’s probably a simple reason for this: send a woman out alone on a rambling nocturnal quest and she’s likely to end up a lot deader a lot sooner than a man would.”3 The irony here is that thanks to molecular archaeology—which includes the study of ancient DNA to trace human movement over time—we now know that men have been the stay-at-homes, and women have been the travelers. The rate of intercontinental migration for women is about eight times that for men.4 "

― Gloria Steinem , My Life on the Road