Marina TolmachevaMarina Tolmacheva, professor, history, WSU Vancouver, presented “Geographical Coordinates in the Western Indian Ocean: Transmission of Knowledge from Antiquity to the Late Middle Ages” in the Symposium “Science in Islamic Societies, Globally and Locally” at the 25th International Congress on the History of Science and Technology in Rio de Janeiro, Brazil. She delivered the inaugural lecture in Curso de Geografia at the Universidade Federal da Integração Latino-Americana, where she spoke on “Ibn Battuta e a Geografia Arabe.”