In particular, he was interested in the development of the science of eugenics, ectogenesis (creating and sustaining life in an artificial environment), and the application of genetics to improve human characteristics, such as health and intelligence.
Unteng nyane, dane kedaut sareng panglimbak ilmu eugenika, ektogenesis (ngawetuang taler naenang kauripan ring palemahan buatan), taler genetika sane kamargiang anggen nincapang karakteristik manusa, sekadi kesehatan miwah kawagedan.