KRAKOW, POLAND—Live Science reports that an eighteenth-century palatal obturator has been found with the remains of a man with a cleft palate who was buried in a crypt at the Church of St. Francis of Assisi in Krakow in the eighteenth century. The prosthesis measures about an inch long and consists of a woolen pad sewn to a metallic plate that would have fit into his nasal cavity and blocked substances in the mouth from entering it. The wool pad is thought to have been coated in silver iod