These are just the experiments we know about. Who knows what other Nazi torture stuff has been done. Car companies used to use dogs and pigs as crash test dummies until PETA got involved and petitioned. Can you imagine how many experiments there were done which never reached the scientific fame.
2. Squeezing Testicles, Shrinking Fingers Experiments
3. Seeing Through Cat’s Eyes
4. The Electrification of Human Corpses
5. Human-Ape Hybrid
6. Beneficial Brainwashing
Source : http://www.paranormalhaze.com