by Massimo Pigliucci

I have just come back from a stimulating conference at Clark University about “Manufacturing Denial,” which brought together scholars from wildly divergent disciplines — from genocide studies to political science to philosophy — to explore the idea that “denialism” may be a sufficiently coherent phenomenon underlying the willful disregard of factual evidence by ideologically motivated groups or individuals.

Let me clarify at the outset that we are not talking just about cognitive biases here. This isn’t a question of the human tendency to pay more attention to evidence supporting one’s view while attempting to ignore contrary evidence. Nor are we talking about our ability as intelligent beings to rationalize the discrepancy between what we want to believe and what the world is like. All of those and more affect pretty much all human beings, and can be accounted for and at the least partially dealt with in…