This course focuses on societal thinking, exploring how social representations develop, circulate, and transform in public spheres. Through the study of concepts, empirical research and fields of application, the course examines the dynamics of social thinking and the power of representations to construct meanings and shape public spheres. The course considers social representations as cultural tools that provide lenses through which humans understand, make sense and at times change the social worlds they inhabit. It addresses debates and dilemmas about the state of contemporary public spheres and the role of societal thinking in shaping both our societies and ourselves.