In 2004 Dr Irving Weissman of the Stanford Institute for Stem Cell Research injected a few human brain cells into mice. He wanted the mice to develop humanoid brains so he could dissect them and learn more about brain diseases like Parkinson’s, Alzheimer’s, Lou Gehrig’s Disease, multiple sclerosis and spinal cord injuries.
Weissman’s experiments were nicknamed the Stuart Little project after the famous children’s book…