Decoding the mystery of the 5,300-year-old Iceman mummy in the Alps

VnExpressVnExpress17/08/2023


Ötzi the Iceman, the frozen mummy found in the Alps in 1991, may be the world's most well-studied remains.

The mummy of Ötzi the Iceman and previous reconstruction. Photo: Ancient Origins

The mummy of Ötzi the Iceman and previous reconstruction. Photo: Ancient Origins

The mystery surrounding Ötzi’s violent death, his identity, and why he was on the mountaintop has attracted much attention. Thousands of people visit his frozen mummy every year at the South Tyrol Museum of Archaeology in Bolzano, Italy. In a new study published on August 16 in the journal Cell Genomics, Albert Zink , director of the Institute for Mummy Studies at the Eurac Research Center in Bolzano, and his colleagues analyzed ancient DNA taken from Ötzi’s pelvis, helping to reveal some of the secrets about the man who lived 5,300 years ago.

Genetic analysis revealed that the mummy, thousands of years old, had dark skin, dark eyes, and was likely bald. This contrasts with the reconstruction of Ötzi, which depicts the ancient man as pale, with a full head of hair and a beard. According to Zink, researchers previously thought that his skin had darkened due to the mummification process. However, the mummy’s skin color appears to be quite close to the Iceman’s natural skin tone when he was alive.

This is not surprising, since many Europeans at the time were darker-skinned than today. Over time, their skin lightened as an adaptation to climate change and the peasant diet. Peasants consumed much less vitamin D in their diets than hunter-gatherers. It seems the Iceman still ate a lot of meat, as the team found mountain goat and deer meat in his stomach.

While ancient DNA analysis suggests that Ötzi was bald, researchers cannot be sure how bald he was in life. According to archaeologist Lars Holger Pilø, co-director of the Secrets of the Ice project in Norway, Ötzi may have been bald for genetic reasons, but his near-complete baldness likely occurred after his death. Hair on the skin often falls out during the time the body is in the ice as the epidermis decomposes.

The genome sequenced from DNA in Ötzi’s pelvis is more complete than the one reconstructed in 2012, thanks to technological advances. When the team compared the new genome to other ancient populations, they found that he had many similarities with farmers from Anatolia, in what is now Türkiye. Zink said the Iceman likely lived in a relatively isolated area with limited contact with other populations.

Nearly every part of Ötzi and his belongings has been analyzed. The contents of his stomach have revealed his last meal and where it came from, weapons reveal he was right-handed, and the clothes on the mummy reveal what ancient people wore. Initially, researchers thought Ötzi died of cold, but X-rays in 2001 revealed an arrow in his shoulder that could have caused the fatal wound. He also had head injuries and defensive wounds on his right hand. Zink’s team hopes to learn more details, such as the makeup of the Iceman’s microbiome.

An Khang (According to CNN )



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