 Let's hear one more excerpt from this 2006 episode. Ken has just asked about teaching evolution in schools. Should we teach it as settled truth or as one theory among others, including intelligent design? When Copernicus theory was first put forward, it was controversial. And there were those who argued very passionately that it shouldn't be taught in the schools because it was too upsetting. But children have no trouble with the idea that the earth goes around the sun.