The third edition of COSUR will take place at Barcelona, this 2020, the days 4-26 September and 1- 2 October. The school aims to introduce students to the multidisciplinary environment of research in surgery with particular attention to the control algorithms used in robotic surgery and the impact of the cognitive factor in directing the control. Participants will have the opportunity to learn from well-known speakers and to work together on group projects in a positive and friendly atmosphere.