This document discusses several controversial social science experiments conducted on human subjects without full consent. It summarizes the Monster Study where researchers gave negative speech therapy to orphan children to induce stutters, harming the children. It also describes the infamous John/Joan case where a boy was raised as a girl after a botched circumcision and the unethical sexual abuse he endured as part of the experiment. Finally, it provides an overview of the famous Stanford Prison Experiment that studied the psychological effects of assigning people as prisoners and guards.