Beyond the paleo

Our morality may be a product of natural selection, but that doesn’t mean it’s set in stone

A broader humanity: a volunteer from a French rescue team carries an injured girl during an evacuation from Tacloban, a city devastated by Typhoon Haiyan, November 16, 2013. Photo by Bobby Yip/Reuters

Altruism tends to be parochial; people usually care most about their own kin. But an evolutionary basis for human morality can take us only so far… Read more