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Bog Mummies Yield Secrets

Date:
September 10, 2007
Source:
North Dakota State University
Summary:
Human remains yield secrets. Researchers are now probing the secrets of 'bog mummies' some dating back 2000 years, preserved from the Iron Age with amazing detail in peat bogs of Europe. Bog mummies have particularly interesting stories to tell. Physical anthropologists draw conclusions from the eerily preserved hair, leathery skin and other features that emerge from the bogs.

Dr. Heather Gill-Robinson of North Dakota State University, Fargo, studies several peat bog mummies in her research, including Damendorf man, discovered near Damendorf, Germany in 1900. Using CT scanning and other technology, Dr. Gill-Robinson has identified five lower vertebrae, a partial cranium and other discoveries associated with the mummy. The image analysis of Damendorf Man also identified a shrunken, but fully intact, brain; both femurs and the pelvis.
Credit: Image courtesy of North Dakota State University

Human remains yield secrets. Researchers, including Dr. Heather Gill-Robinson, assistant professor of anthropology at North Dakota State University, are now probing the secrets of 'bog mummies' some dating back 2000 years, preserved from the Iron Age with amazing detail in peat bogs of Europe.

Bog mummies have particularly interesting stories to tell. Physical anthropologists draw conclusions from the eerily preserved hair, leathery skin and other features that emerge from the bogs.

During the Iron Age from approximately 500BC to 500AD, bodies were often cremated, often leading experts to believe that mummies uniquely preserved by the bogs were people who met their demise through particularly violent means or were used as sacrifices, although there are numerous possible other explanations. A violent demise was thought to be the case for a mummy known as Windeby Girl, studied by Dr. Gill-Robinson. Discovered in northern Germany in 1952, experts thought she may have been an adulteress whose head was shaved, after which she was blindfolded and drowned in the bog.

But, on closer inspection,  Heather Gill-Robinson of North Dakota State University determined that the Windeby Girl was actually more likely to have been a young man.  He may have lost his hair when archaeologists’ trowels dug up the body. Physical examination of the mummy showed that growth interruptions in the bones of the specimen indicated a sick young man who may have died from natural causes.

The water and other substances in peat bogs create a natural preservative for the bodies found in them, though Dr. Gill-Robinson says researchers are still trying to determine why. The lack of oxygen, antimicrobial action and the sphagnum found in bogs seem to conspire to preserve the bodies tossed into them thousands of years ago. Bogs were once seen as homes for gods and outcast spirits.

But increasingly sophisticated computer programs and use of medical technology such as CT scans, radiocarbon dating and 3-D imaging have resulted in additional and potentially more accurate answers to the mysteries of the peat bog mummies. In her research, which includes the study of other mummies in addition to “Windeby Girl,” Gill-Robinson can also determine other details such as what they ate and their possible occupations.

The research being conducted at NDSU also gives students an opportunity to learn more about physical anthropology, according to Gill-Robinson. Two recent NDSU graduates, for example, analyzed CT scans of mummy specimens for a year and four more students are involved in image analysis projects this year. The mummies studied in Gill-Robinson’s research were found between 1871 and 1960. She has studied them for the past four years.

“Detailed analysis of the bog bodies provides us a window into cultures, heritage and the way people lived thousands of years ago,” says Gill-Robinson.  “When we think we may have discovered something new about a mummy, we can re-visit it several years later and with new technology, refine our research results. In these cases, we need to present a revised interpretation to the public. Communities where discoveries are made have a high level of interest in what is found. Respectfully addressing folklore surrounding such discoveries in communities also plays a role.”

Gill-Robinson’s areas of research interest have focused on a collection of seven bodies (six mummies and one skeleton) from peat bogs in northern Germany. After a receiving a three-month research grant from the German Academic Exchange Service, Bonn, Germany, Gill-Robinson spent the summer exploring aspects of peat bog mummies in conjunction with Stiftung Schleswig-Holsteinische Landesmuseen Schloss Gottorf, a museum in Schleswig, Germany. Her research was included in a recent National Geographic article in September of 2007 and  previously cited in the article, “Rehabilitation of a Moorland Corpse,” in Abenteuer Archaeologie, a German popular press archaeology magazine.


Story Source:

The above story is based on materials provided by North Dakota State University. Note: Materials may be edited for content and length.


Cite This Page:

North Dakota State University. "Bog Mummies Yield Secrets." ScienceDaily. ScienceDaily, 10 September 2007. <www.sciencedaily.com/releases/2007/09/070908095852.htm>.
North Dakota State University. (2007, September 10). Bog Mummies Yield Secrets. ScienceDaily. Retrieved September 17, 2014 from www.sciencedaily.com/releases/2007/09/070908095852.htm
North Dakota State University. "Bog Mummies Yield Secrets." ScienceDaily. www.sciencedaily.com/releases/2007/09/070908095852.htm (accessed September 17, 2014).

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