So someday in the near future hopefully rather than having a foot or a leg amputated we'll just give you an injection of the cells and restore the blood flow. We've also created entire tubes of red blood cells from scratch in the laboratory. So there are a lot of exciting things in the pipeline.
Cognition is not fighting, but once someone knows a lot, he will have much to fight for, so much that he will be called a relativist because of it.