The students in 3rd of Secondary school are involved in an interdisciplinary project in their physics, chemistry and biology classes. Through this project, the students listened to two experienced professionals who helped them broaden their horizons and delve deeper into what they are studying at school. The first guest was Reyes Artacho, a professor of nutrition at the University of Granada who shared important information about the importance of having breakfast and the nutritional components in it so it can be balanced with having dynamic activities. Also, Jesús González and Luisa, who have many years of experience working as a nurse, explained valuable information about diabetes through a workshop filled with advice and practical activities. These were activities that were filled with true knowledge.