Explore the darkest chapters of human history with the most evil experiments ever conducted. From Japan's chilling Unit 731 to the U.S. Project 4.1 nuclear tests, discover the horrifying details of experiments that took science to sinister extremes. Unveil the shocking truths behind the Guatemalan Syphilis experiment, the Willowbrook State School hepatitis tests, and Romania's Pitesti experiment. Delve into disturbing social tests like Marina Abramović’s Rhythm 0 and the controversial John Money experiment on gender identity. Also, learn about the devastating mustard gas tests during WWII.