What separates humans from other animals, including our closest relatives? It’s one of those big questions perennially posed by the evo-curious public. But until recently I seldom gave it much thought. Mostly because the answers tend to get hung up…
Few subjects more predictably animate furious disagreement and cross-purposes discussion than the origins of human warfare. Are people “naturally” belligerent? And what does that even mean? The question taps a deep old well of ideological intuition. Were the lives of…