Wednesday, January 15, 2025

Ink-redible! Scientists use lasers to reveal highly detailed tattoos on 1,200-year-old mummies from Peru

Anyone getting a tattoo nowadays will likely have access to numbing cream and be inked using an electric machine.

So spare a thought for these mummies – whose intricate designs were likely etched on using cactus needle spikes and sharpened animal bones.

Researchers have used lasers to reveal highly detailed tattoos on the preserved remains of people who lived 1,200 years ago in Peru.

The team inspected more than 100 mummified individuals from the Chancay culture – a civilisation that began mass producing ceramics, textiles and metals around 900CE.

The preserved skin of the mummies shone brightly with the lasers, in contrast with the black tattoo ink.

And the resulting high-contrast images revealed previously hidden details of the tattoo designs.

The complex patterns were inked with a finely pointed object, possibly a single cactus needle or sharpened animal bone, the team said.

They also found the artistic details and precision of the tattoos exceed the designs seen on other pottery, textiles and rock art from the time – suggesting that some tattoos were the product of special effort.

The team inspected more than 100 mummified individuals from the Chancay culture – a civilisation that began mass producing ceramics, textiles and metals around 900CE

The preserved skin of the mummies shone brightly with the lasers, in contrast with the black tattoo ink

The complex patterns were inked with a finely pointed object, possibly a single cactus needle or sharpened animal bone, the team said

The team, from the Chinese University of Hong Kong, published their findings in the journal Proceedings of the National Academy of Sciences (PNAS).

They wrote: ‘Tattoos were a prevalent art form in pre-Hispanic South America exemplified by mummified human remains with preserved skin decoration that reflects the personal and cultural representations of their times.

‘Tattoos are known to fade and bleed over time and this is compounded in mummies by the decay of the body, inhibiting the ability to examine the original art.

‘Laser-stimulated fluorescence (LSF) produces images based on fluorescence emitted from within the target.

‘We find that the preserved skin fluoresced strongly underneath the black tattoo ink yielding a high-contrast image that virtually eliminates the ink bleed, revealing the exceptionally fine details of the original artwork.

‘The level of detail and precision of the artwork was found to be higher than associated pottery, textiles, and rock art suggesting special effort was expended by the Chancay on at least some of their tattoos.’

They added: ‘The 0.1 to 0.2 mm wide linear details reflect the fact that each ink dot was placed deliberately by hand with great skill, creating a variety of exquisite geometric and zoomorphic patterns.

‘We can assume that this technique involved a pointed object finer than a standard modern tattoo needle, probably a single cactus needle or sharpened animal bone based on known materials available to the artists.’

Recent research suggests that how much you like or dislike body ink could indicate your age.

Experts from the University of the Federal Armed Forces in Hamburg, Germany, discovered that those over the age of 50 rate extreme tattoos as less beautiful than the younger generation.

This could be due to traditional negative stereotypes linked to body art, they said.

WHAT ARE THE OLDEST TATTOOS IN THE WORLD?

Since his discovery on 19 December 1991 by German hikers, Ötzi (artist's impression) has provided window into early human history.

Since his discovery on 19 December 1991 by German hikers, Ötzi has provided a 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.

Experts discovered a total of 61 tattoos on Ötzi’s body using different wavelengths of light to pick them out on the mummy’s darkened skin.

And in December 2015 they were confirmed to be the world’s oldest – beating markings on an unidentified South American Chinchorro mummy.

Experts had thought the South American mummy with a moustache-like tattoo on its face died in around 4,000BC, before realising it’s younger than Ötzi, who was killed in around 3250 BC.

While researchers can’t be sure why Ötzi had the tattoos, many think that they served as a form of acupuncture.

‘We know that they were real tattoos,’ Albert Zink, head of the Institute for Mummies and the Iceman in Bolzano, Italy told LiveScience

The ancient tattoo artist who applied them ‘made the incisions into the skin, and then they put in charcoal mixed with some herbs.’ 

The tattoos, mostly found on Ötzi’s lower back and legs, between the knee and food, may have been a way to relieve the effects of chronic pain or injuries.

Experts discovered a total of 61 tattoos on Ötzi's body using different wavelengths of light to pick them out on the mummy's darkened skin and in December 2015 they were confirmed to be the world's oldest

Ötzi was thought to have done a lot of walking in the Alps, which could have resulted in joint pain in his knees and ankles.

The 61st tattoo, found on the ribcage, has puzzled researchers who suggest Ötzi may also suffered from chest pain.

If the tattoos were not for therapeutic benefit, the researchers say they could have had symbolic or religious significance.

Alternatively, they may simply be geometric shapes with no hidden meaning. 

In March, 2018, figurative tattoos were been discovered on 5,000-year-old Egyptian mummies at the British Museum.

Experts said that these were the world’s earliest figurative tattoos.

The tattoos are of a wild bull and a Barbary sheep on the upper-arm of a male mummy, and S-shaped motifs on the upper-arm and shoulder of a female.

The find dates tattoos containing imagery rather than geometric patterns to 1,000 years earlier than previously thought.

Researchers said the discovery ‘transforms’ our understanding of how people lived during this period.

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