This collaboration between two scholars from different fields of religious studies draws on three comparative data sets to develop a new theory of purity and pollution in religion, arguing that a culture's beliefs about cosmological realms shapes its pollution ideas and its purification practices.The authors of this study refine Mary Douglas' foundational theory of pollution as "matter out of place," using a comparative approach to make the case that a culture's cosmology designates which materials in which places constitute pollution. By bringing together a historical comparison of Ancient Near Eastern and Mediterranean religions, an ethnographic study of indigenous shamanism on Jeju Island, Korea, and the reception history of biblical rhetoric about pollution in Jewish and Christian cultures, the authors show that a cosmological account of purity works effectively across
