 Fossilized teeth and bone ("dragon bones") are often ground into powder and used in some branches of traditional Chinese medicine.In 1937, Teilhard wrote "Le Phénomène spirituel" ("The Phenomenon of the Spirit") on board the boat Empress of Japan, where he met the Sylvia Brett, Rani of Sarawak The ship conveyed him to the United States.He received the Mendel Medal granted by Villanova University during the Congress of Philadelphia, in recognition of his works on human paleontology.