Many conspiracy theories, then, might be a kind of folk knowing: an unconscious augury of the conditions, produced by those with a deep, even hidden, awareness of current conditions and no way to articulate them in scientifically acceptable terms. But a world that has no way of admitting such differently articulated accounts is in danger of falling prey to far worse stories – from antiscientific public panics to blood libels – and of failing to hear voices of genuine and necessary warning.