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  2. Nazi human experimentation - Wikipedia

    en.wikipedia.org/wiki/Nazi_human_experimentation

    Nazi human experimentation was a series of medical experiments on prisoners by Nazi Germany in its concentration camps mainly between 1942 and 1945. There were 15,754 documented victims, of various nationalities and age groups, although the true number is believed to be more extensive. Many survived, with a quarter of documented victims being ...

  3. Unethical human experimentation in the United States

    en.wikipedia.org/wiki/Unethical_human...

    Numerous experiments which were performed on human test subjects in the United States in the past are now considered to have been unethical, because they were performed without the knowledge or informed consent of the test subjects. [ 1] Such tests have been performed throughout American history, but have become significantly less frequent with ...

  4. Absolute threshold - Wikipedia

    en.wikipedia.org/wiki/Absolute_threshold

    A landmark 1942 experiment by Hecht, Shlaer, and Pirenne assessed the absolute threshold for vision. They tried to measure the minimum number of photons the human eye can detect 60% of the time, using the following controls: [4] [5] [6]

  5. Optography - Wikipedia

    en.wikipedia.org/wiki/Optography

    Optography is the process of viewing or retrieving an optogram, an image on the retina of the eye. A belief that the eye "recorded" the last image seen before death was widespread in the late 19th and early 20th centuries, and was a frequent plot device in fiction of the time, to the extent that police photographed the victims' eyes in several ...

  6. MKUltra - Wikipedia

    en.wikipedia.org/wiki/MKUltra

    Declassified MKUltra documents. Project MKUltra[ a][ b] was an illegal human experiments program designed and undertaken by the U.S. Central Intelligence Agency (CIA) to develop procedures and identify drugs that could be used during interrogations to weaken individuals and force confessions through brainwashing and psychological torture. [ 1 ...

  7. Unit 731 - Wikipedia

    en.wikipedia.org/wiki/Unit_731

    Unit 731 (Japanese: 731部隊, Hepburn: Nana-san-ichi Butai), [note 1] short for Manchu Detachment 731 and also known as the Kamo Detachment [3]: 198 and the Ishii Unit, [5] was a covert biological and chemical warfare research and development unit of the Imperial Japanese Army that engaged in lethal human experimentation and biological weapons manufacturing during the Second Sino-Japanese War ...

  8. Children in the Holocaust - Wikipedia

    en.wikipedia.org/wiki/Children_in_the_Holocaust

    Another of Mengele's experiments with eyes involved attempts to change eye color by injecting chemicals into the eyes of living subjects. [25] His experiments on dwarfs and people with physical abnormalities included taking physical measurements, drawing blood, extracting healthy teeth, and treatment with unnecessary drugs and X-rays. [26]

  9. Josef Mengele - Wikipedia

    en.wikipedia.org/wiki/Josef_Mengele

    Josef Rudolf Mengele ([ˈjoːzɛf ˈmɛŋələ] ⓘ; 16 March 1911 – 7 February 1979) was a German Schutzstaffel (SS) officer and physician during World War II at the Russian front and then at Auschwitz during the Holocaust, where he was nicknamed the "Angel of Death" (German: Todesengel), [1] he performed deadly experiments on prisoners at the Auschwitz II (Birkenau) concentration camp ...

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