He has taught biochemistry, cell biology, genetics, genes and speciation, human physiology, senior seminar and pharmacology. He has also directed student research projects in fruit fly development, antimicrobial agents, and fruit fly repellents and attractants. He has published articles in numerous encyclopedias, Developmental Biology, Drosophila Information Service, Reports of the National Center for Science Education, Genetics, Stem Cells and Development, Recent Patents on Anti-Cancer Discovery, and Perspectives on Science and the Christian Faith. Biological Evolution: What Makes it Good Science? Part 2