[WARNING] This list contains descriptions and images of human experimentation which may cause offense to some readers.] Human experimentation and research ethics evolved over time. On occasion, the subjects of human experimentation have been prisoners, slaves, or even family members. In some notable cases, doctors have performed experiments on themselves when they have been unwilling to risk the lives of others. This is known as self-experimentation. This is a list of the 10 most evil and unethical experiments carried out on humans.

The Stanford prison experiment was a psychological study of human responses to captivity and its behavioral effects on both authorities and inmates in prison. The experiment was conducted in 1971 by a team of researchers led by psychologist Philip Zimbardo at Stanford University. Undergraduate volunteers played the roles of both guards and prisoners living in a mock prison in the basement of the Stanford psychology building.

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As promised, we finally present our sequel to the Top 10 Most Evil Women list. The women on this list are all infamous for the horrors they caused. It is a very difficult topic to rank so I have done my best to do so in an objective manner. If you think anyone is missing from either of these two lists, be sure to tell us in the comments.

10. Williamina “Minnie” Dean 1844 - 1895

Death Toll: 3+

Minnie Dean was the first, and only, woman to be executed in the history of New Zealand. She was executed by hanging. Under the guise of helping poor young girls, this evil woman murdered their children and took what little money they had to improve her own lifestyle. At the time, a young woman becoming pregnant without a father was severely stigmatized by society. This gave rise to a phenomenon called “baby farming” in which people would offer to take the children and raise them for a moderate regular fee. Dean was one such farmer, but rather than raising the children, she murdered them at the soonest opportunity and kept the money. This was made possible because “adopting” parents were not required to be registered by law. In many cases the children simply vanished in to the homes of these “farmers” never to be seen again. Dean murdered at least 3 children but it is likely that there were many more whose bodies were not recovered. In my youth I was given a tour of the New Zealand Police private museum and I saw the bones of the 3 recovered children - it was something I will never forget.

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From time to time the unthinkable happens: children kill. Some decide to murder members of their own family in spite of their seemingly normal upbringing. Others do so because their upbringing was far from normal - often including beatings and abuse. Then there are misguided children who, from the sheer desire to kill, go on murder sprees ending the lives of purely innocent victims. Children are supposed to be innocent and pure; without malice, contempt, sinister anger, or desires to kill, yet every year many commit horrific crimes. Here are Ten of the Most Evil Children in History, with number One exclusively dedicated to one foul group. The age limit for this list is 17 years.

10. Brian And David Freeman / Nelson Byrdwell

Bryan Freeman, 17, and David, 16, who had shaved and tattooed their heads as a symbol of their neo-Nazi beliefs, were immediate suspects when their parents and younger brother were found bludgeoned to death in their Salisbury Township, PA, home. The boys had been terrorizing the family and, as a whole, the town. As the police told it, the triple murder uncovered in Salisbury Township, Pa., that week was every parent’s nightmare — the ghastly culmination of a long-running battle of wills between Brenda and Dennis Freeman and their loutish, hulking sons Bryan, 17, and David, 16.

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[WARNING: This list contains adult content and images] The unfortunate and depressing issue of suicide has become a staggering piece of harsh reality in today’s world. In the US, ranking 46th in the world of rates per capita, we experience 11,000 self-inflicted deaths per year, and the UK: 7,000. This has become a serious issue for many countries whether the factors be family issues, health issues, money problems, or relationship failures. The ways in which people decide to shuffle this mortal coil are numerous and varying. Ten of the most often seen are as follows.

10. Drowning

How it’s Done: Maybe a relationship tremor has caused you to rethink your life here on the planet, and the weight of it all has made you decide to drown yourself. Sometimes, driving or even convincing yourself to walk into a large body or water will do it, otherwise many perish in as little water as a slightly-filled bathtub.

Results From Failure: Oxygen deprivation can cause severe and permanent brain damage.

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[WARNING: This list contains graphic descriptions of techniques for killing.] Sometimes when you are threatened with physical violence, a weapon to defend yourself with is not always available. Your hands, however, are always with you, and can be as lethal as any weapon. Below are a list of attacks that will almost certainly result in death. Remember, these techniques should never be used except in a life or death situation for self-defense.

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