The revival of creationism in the United States

To people outside the United States, the increasing popularity of creationism and its associated tenets must be a curious, if not bewildering, phenomenon. In one of the most scientifically and technologically advanced countries in the world, how can so many people reject - even condemn - a foundation of modern science? Why, when scientific literacy is increasingly important for enjoying life and having a successful career, do so many people reject evolution in favour of religious dogma? Why do states such as Kansas and Kentucky encourage teachers to avoid evolution or pretend that it doesn't exist?