Although most state curriculum standards mandate that evolution be taught, and standardized tests typically include questions on evolution, some teachers apparently assume that evolution is a small enough part of the curriculum that their students can get by without mastering the subject. Those students remain ignorant of one of the bedrock theories underlying modern biology.

A 1998 doctoral dissertation found that 24 percent of the biology teachers sampled in Louisiana said that creationism had a scientific foundation and that 17 percent were not sure.

Naturally.

Afraid to Discuss Evolution