How a large-scale study of human innovation converges with a conceptual model of social norms as information — and what that convergence means for the science of human behavior.

The truth is that, despite appearances to the contrary, most definitions of sustainable are not all that different once you look behind the jargon. The common yet often implicit theme being expressed through them all is a simple question – what happens if it isn’t sustainable? That consistent thread is very familiar to those who have studied archaeology.