The key sentence: We are like a thirsty town, desperate for a new water supply. Our human inclination is to talk ourselves into believing the mirage. Add in t

The key sentence: We are like a thirsty town, desperate for a new water supply. Our human inclination is to talk ourselves into believing the mirage. Add in the inevitable snake oil salesmen... As scientists, the more we desperately, wish for a thing to be true, the more we must demand of the evidence.