Areas of competence: zoology, cell biology, developmental biology, evolutionary biology, genetics, history and philosophy of biology, and interaction of science & religion.

Areas of expertise: embryonic pattern formation, the history of 19th and 20th-century biology,  and cognitive interactions between scientific and religious knowledge.

Current Research Interests: history of engagement of scripture interpretation and science, history and philosophy of 19th & 20th century biology (G. Cuvier, T. Dobzhansky), theoretical biology (hierarchy theory).