Annalee Newitz writes on io9.com:
While science has the power to improve our lives and cure disease, it can also be used to torture, murder, and brainwash. Here are 25 scary experiments that destroyed lives, or have the potential to unleash doomsday.
Russians re-attaching dog heads: This infamous propaganda film from 1940 shows Soviet Dr Sergei S. Bryukhonenko removing the head of dogs, and keeping them alive on a heart-lung machine. While possibly a Soviet fake, it produced a major stir in the west. (Source: Time Magazine)
More on io9.com