The 5,300-year-old mummy's maternal line appears to have originated and died out in the eastern Italian Alps.
The Iceman had a stomach bug and scientists had to melt the mummy to make the discovery.
The finding not only suggests the Iceman may have been feeling ill on the day he was murdered, but offers a glimpse into the history of Europeans.
The Iceman, who died between 3370 and 3100 B.C., has 61 marks on his body made by fine incisions into which charcoal was rubbed.
From sunken ships to megalithic stones, colorful mosaics, intact tombs, 2015 gave us a rich view into the past.
A CT scan reveals what looks like dark sediment inside a 3,200-year-old mummy's head.
Genes associated with antibiotic resistance have been found in a mummy’s colon and feces, long before antibiotics were introduced.
The mummy is one of 11 stored at a museum in Florence, Italy.
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