On the other side, you have scientists who do dangerous experiments on themselves: http://en.wikipedia.org/wiki/Self-experimentation_in_medicine http://en.wikip

On the other side, you have scientists who do dangerous experiments on themselves: http://en.wikipedia.org/wiki/Self-experimentation_in_medicine http://en.wikipedia.org/wiki/Self-experimentation_in_medicin... For example, Dr. Jesse Lazear helped confirm that mosquitoes transmit yellow fever by letting infected mosquitoes bite himself and then dying of yellow fever. And then there's Dr. Werner Forssmann who developed cardiac catheterization by putting a catheter in his arm and guiding it into his own heart. He then walked up the stairs to the X-ray department to get a picture as proof. He got fired for doing this, but later got the Nobel Prize.