The spreading of memes, you know? An idea jumps from brain to brain, to brain and it naturally tickles certain receptors that we are naturally attuned to and therefore certain ideas have a tendency to stick and spread, among them being the very ideas that constitute religious belief. Is that an approach that you think gives us insight or is that not a useful way of thinking about it? Yeah, because what puzzles us when we try to explain the prevalence of religious belief, is not so much why people mourn the dead, feel a sense of loss, feel it profoundly affects