Scientists examine the preserved corpse of 'Otzi', a Neolithic man found frozen in a glacier in the Alps in 1991. They hope their autopsy will teach them more about life thousands of years ago - but only have eight hours to carry out their analysis before the body must be returned to storage to prevent decomposition. Broadcast date: 26 Jul 2015. Copied under Part VA, Copyright Act, 1968. USA : NGHT, LLC and WGBH Educational Foundation, 2011. Iceman (Archaeology) / Otzi (Ice mummy) Human remains (Archaeology) 26 Jul 2015. Copied under Part VA, Copyright Act, 1968.