Since his discovery on 19 December 1991 by German hikers, Ötzi has provided window into early human history.
His mummified remains were uncovered in melting glacier in the mountainous border between Austria and Italy.
Analysis of the body has told us that he was alive during the Copper Age and died a grisly death.
Ötzi, who was 46 at the time of his death, had brown eyes, relatives in Sardinia, and was lactose intolerant.
He was also predisposed to heart disease.
Recent research focused on the DNA in the nuclei of Ötzi's cells, and it could yield further insights