Ishii's Unit 731 (Japan) did a lot in that regard, too.
Yes, a lot of Nazi testing helped improve medicine and our general understanding of the human body. They helped provide landmark research on freezing to death by freezing jews to death. They also helped chart the dependencies of internal organs by slowly removing them from living patients. Horrific but effective.
Yes. The ethics of the use of medical discoveries by the Nazi's by testing on Jews and other victims of the Holocaust is still a hot debate to this day.
A lot of what we know about a human body's response to freezing water comes from the tests done by the Nazis.
Here's a link that goes into greater detail.
I read that the research into hypothermia was indeed useful. Link is here: http://science.howstuffworks.com/human-experimentation3.htm
there were no experiments done on jews, torturous experiments were done on chinese by the japanese
I thought Dr. Josef Mengele did experiments in Auschwitz
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