Explore the psychological and societal impacts of dehumanization in this thought-provoking lecture from the Santa Fe Institute. Delve into concepts such as psychological essentialism, subhumanity, and the problem of monstrosity. Examine historical examples including Nazi propaganda, lynching, and the portrayal of "colored people" to understand how dehumanization has been used as a tool of oppression. Analyze the connections between dehumanization and monster theory, and investigate the analogy between dehumanization and authority. Gain insights into the complex mechanisms behind the creation of "monsters" in society and the uncanny power of dehumanization.