Young-earth creationists: "They are denying the facts of biology, physics, geology, cosmology, archaeology, history and chemistry."

If the history-deniers who doubt the fact of evolution are ignorant of biology, those who think the world began less than ten thousand years ago are worse than ignorant, they are deluded to the point of perversity. They are denying not only the facts of biology but those of physics, geology, cosmology, archaeology, history and chemistry as well. This chapter is about how we know the ages of rocks and the fossils embedded in them. It presents evidence that the timescale on which life has operated on this planet is measured not in thousands of years but in thousands of millions of years.

-- From page 85 of The Greatest Show on Earth, The Evidence for Evolution by Richard Dawkins