As part of the celebrations for the Ninth Day of Italian Research in the World, the Italian Ambassador to Croatia, Paolo Trichilo, spoke at the 10th Symposium of Doctoral Students of the Faculty of Science and Mathematics (PMF) at the University of Zagreb. The Symposium aims to provide experience in presenting scientific results, facilitate the exchange of knowledge and ideas, promote scientific outreach, and foster the development of young scientists in the fields of natural sciences,