False. Miller and his partner, Urey, were never able to produce a single living cell in their experiment. He was only able to create very simple amino acids.
The Epic of Gilgamesh is one of the oldiest stories that has been written in the history of mankind; oldest preserved stories at least. It was written on clay tablets which are to some extent still preserved today. And this is a feat which has immeasurable value considering what we can learn from it.
