L'ideatorio is a service of the Università della Svizzera italiana (USI) which was created to promote scientific culture and dialogue between science and society. L'ideatorio is also the local branch of the Science et Cité Foundation (www.science-et-cite.ch), which is a centre of expertise of the Swiss Academy of Sciences. Through a network of local partnerships, L'ideatorio fosters various forms of interaction of citizens with science. In particular, through the close collaboration with the School District of the City of Lugano, it has developed a number of projects for young people (educational courses, scientific vacations, planetarium, animations, etc.). For adult audiences, L’ideatorio organises many forms of interaction with the world of science, such as debates and conferences, interactive projects, exhibits, and science fairs. In association with research centres, universities or the media, L’ideatorio also carries out projects in the context of the dialogue between science and society, as well as projects related to scientific communication.