Madness spreads much faster than viral infection

Image credit: Levi Saunders on Unsplash

We humans are a credulous lot at the best of times. Our long history on the African savannah and in the primordial forests of Eurasia contained no selection pressures that would have resulted in us developing a significant capacity for reason, nor any capacity for consistency-checking. Added to this was a great deal of selection pressure to conserve scarce and…