5 MOST CRUEL EXPERIMENTS DONE ON HUMAN BEINGS. Have you ever imagined what type of unethical experiment had been conducted on human body? The tim es in history when science was deadly and dangerous.There are many cruel experiments which are performed on human beings.If you just listen these experiments I bet your mind's gonna blow. 1.Josef Mengele (The Angel Of Death) Josef Mengele was born on March 16, 1911, Günzburg, Germany and died on February 7, 1979, Enseada da Bertioga, near São Paulo , Braz il.At the time of world war 2 he was Nazi doctor at Auschwitz extermination camp (1943–45).He was known as angel of death because of his bizarre experiments on humans which is listed below . EXPERIMENTS: He used to stitch blood vessels,organs,skin of the twins to form a Siamese twins (conjoined twins those twins who share pain,diseases and may die at same time)which causes the disease like gangrene which is very dangerous...