Students are rarely presented with a diversity of viewpoints about evolution and its mechanisms. The historical background to evolution normally suffices: Darwin's journey on The Beagle, his concepts of natural selection and common descent, and an outline of Mendel's experiments. With supplementary concepts such as ecological niches and the modes…

In recent years, critics of the social studies have complained that instead of studying history, elementary and high school students take other social science courses, sex and health education, or driver training. Seeking to explain the origin of that supposed shift, many authors concentrate on the period from 1892 to 1937, arguing that it was…