When two hikers came across a human corpse in the Ötztal Alps 20 years ago, speculation raged over the age of the body, and the life and death of the man who became known as Ötzi – the name coined by an Austrian journalist. The oldest, most well-preserved, frozen Neolithic mummy soon became a world sensation. Francesca Vella recently visited the special exhibition ‘Ötzi20 – Life. Science. Fiction.