The new Initiative to Study Hate kicks off with 23 projects that examine how hate manifests in the brain, online, in communities and who is most affected.
Valenzuela spoke about his plans for the division, the importance of public engagement and how his early job at a carwash instilled a work ethic that still drives him.
UCLA psychologist Martie Haselton and Jaimie Arona Krems, from Oklahoma State University, explain how evolutionary social science influences the debate.