Dr. Kolena's teaching encompasses a broad range of anthropological and biological subjects, including historical and medical anthropology, human biology, and anatomy. His wide-ranging interests extend to various laboratory techniques and specialized areas of study, including high-performance liquid chromatography, osteology, spirometry, physical anthropology, skeletal biology, and forensic anthropology. Dr. Kolena led several research projects focusing on the impact of phthalates and other endocrine disruptors on human health. He has published papers in various high-impact journals, serves as a peer reviewer for prominent scientific societies, and has been an investigator for multiple research projects.