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Mysterious Roman Dodecahedron to Go on Display in Lincoln

The Norton Disney dodecahedron. Only 33 of these mysterious objects have been found in the UK. Photograph: Norton Disney History and Archaeology Group
The Norton Disney dodecahedron. Only 33 of these mysterious objects have been found in the UK. Photograph: Norton Disney History and Archaeology Group
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Mysterious Roman Dodecahedron to Go on Display in Lincoln

The Norton Disney dodecahedron. Only 33 of these mysterious objects have been found in the UK. Photograph: Norton Disney History and Archaeology Group
The Norton Disney dodecahedron. Only 33 of these mysterious objects have been found in the UK. Photograph: Norton Disney History and Archaeology Group

They are known as one of archaeology’s great enigmas – hollow 12-sided objects from the Roman era with no known purpose or use.

Only 33 of these mysterious dodecahedrons have ever been found in Britain and now one, unearthed during an amateur archaeology dig after 1,700 years underground, is going on public display in Lincoln as part of a history festival.

Found in Norton Disney, near Lincoln, in the summer of 2023, the artefact is one of the largest of its kind ever found, measuring 8cm tall and weighing 254g.

Its excavation was particularly important as it was found where it was placed 1,700 years ago, meaning the site could hold clues as to its purpose. Only three other examples of dodecahedra have been found on archaeological excavations.

Richard Parker, the secretary of the Norton Disney History and Archaeology Group, which found the item, said historians were no closer to finding out what these objects were despite extensive research.

“The imagination races when thinking about what the Romans may have used it for. Magic, rituals or religion – we perhaps may never know,” he told the BBC.

There are no known descriptions or drawings of dodecahedra in Roman literature, making their purpose unclear.

The Norton Disney group said the objects were not of a standard size so were not measuring devices, and they did not show signs of wear so they were not used as tools.

It added that “a huge amount of time, energy and skill was taken to create our dodecahedron, so it was not used for mundane purposes”.

The Norton Disney dodecahedron, made of a copper alloy, is the only example found in the Midlands. It is in excellent condition, with no damage, and finished to a high standard.

Parker said it was found on the top of a hill in a former large pit of some kind and seemed to be deliberately placed there.

The amateur archaeologists who uncovered the object plan to return to the site this summer to try to uncover more clues as to why it was there.

The group was able to only partly excavate the trench where it was found in 2023, along with some fourth-century Roman pottery, owing to time and financial constraints, with the dodecahedron found on the penultimate day of the dig.

They have secured permission to return in 2024 and resume excavation, relying entirely on donations to fund their work.

The Norton Disney dodecahedron has been on display in the National Civil War Centre at Newark Museum in Nottinghamshire, and from Saturday it will be at Lincoln Museum as part of the city’s Festival of History.

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Scientist Bottles Smell of Bones to Help Solve Cold Cases

Belgian research scientist Clement Martin, who works with Belgium's federal police to create a "perfume" that mimics the smell of dried human bones to help sniffer dogs find long lost remains, looks at human bones in his laboratory in Gembloux, Belgium January 15, 2025. REUTERS/Yves Herman
Belgian research scientist Clement Martin, who works with Belgium's federal police to create a "perfume" that mimics the smell of dried human bones to help sniffer dogs find long lost remains, looks at human bones in his laboratory in Gembloux, Belgium January 15, 2025. REUTERS/Yves Herman
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Scientist Bottles Smell of Bones to Help Solve Cold Cases

Belgian research scientist Clement Martin, who works with Belgium's federal police to create a "perfume" that mimics the smell of dried human bones to help sniffer dogs find long lost remains, looks at human bones in his laboratory in Gembloux, Belgium January 15, 2025. REUTERS/Yves Herman
Belgian research scientist Clement Martin, who works with Belgium's federal police to create a "perfume" that mimics the smell of dried human bones to help sniffer dogs find long lost remains, looks at human bones in his laboratory in Gembloux, Belgium January 15, 2025. REUTERS/Yves Herman

A Belgian research scientist is working with the federal police to create a scent that mimics the smell of dried human bones to help sniffer dogs find long lost remains.

Clement Martin has already isolated the smell of decomposing human flesh and that is now used to train Belgium's cadaver dogs.

But once the soft tissue has disappeared, the scent molecules of the remaining bones become significantly fewer, scientific researcher Martin told Reuters.

"Bones smell different over the years too. A 3-year-old bone will smell different to a 10-year-old one and even 20 years," he said.

Skeletal remains are porous too and absorb smells from the surrounding environment, from the soil to pine trees.

"In the situation of cold cases, there was a gap. Our dogs were not able to find dried bones," Kris Cardoen, head of federal police dog training, told Reuters.

At a police training centre outside Brussels, inspector Kristof Van Langenhove and his springer spaniel Bones demonstrated part of the training with Martin's corpse scent.

Cardoen hid some tissues between cinder blocks and only contaminated a few. The dog then barked when he found the smell.

"The scent of death is one of the three tools we use during the basic training of our human remains dog," Cardoen said.

Cadaver dogs require 1,000 hours of training and the country only ever has four at any one time.

Martin is using different samples of dried bones to develop the smell, including those of an unidentified man found in a suitcase, which are kept in a glass cylinder to allow the molecules to permeate an enclosed space ready for extraction.

"It's a bit like a perfumer developing his perfume, he's going to mix different aromas," Martin said.