Discusses a theory suggesting that thoughts, feelings, dreams, and other workings of the mind are produced by chemical and electrical activity in the networks of nerve cells that make up the bulk of the brain. Opinions of a neuroscientist, anatomist, cognitive scientist, philosopher of science, and a biophysicist are provided. (BC)

Experienced Physicists solve simple textbook problems differently from beginning students. This paper describes these differences using a computer-implemented model that "learns." The research is set in the the context of modern computer-processing psychology, and is related to other work relevant to help people know and learn…