Amanda Mannen has written for Cracked since 2013. She works from a rotation of surfaces in western Canada, where she lives with her husband and various human and plant children. You can find her on Twitter @manna_festo, but really, who still uses Twitter?"
Starting in 1932, scientists identified almost 400 black men living near Tuskegee, Alabama who had syphilis and proceeded not to treat them for the next 40 years, literally just to see what would happen.
If you're like most normal people, you probably don't know much about the murder of Sharon Tate by the Manson family beyond, well, those words right there.