Ancient Egypt has always fascinated and questioned the greatest specialists around the world. And some revelations still plunge experts into deep perplexity. In 1992, a sensational discovery was made on a mummy. Very quickly passed over in silence, it is now practically unknown to the general public. The reason ? It definitely does not fit with conventional chronology. Indeed, examinations reveal the unexpected presence of cocaine and tobacco in the body of the mummy. Two substances endemic to America that were not discovered... until 1492 by Christopher Columbus.