CT Scans Reveal Contents of Small Ancient Egyptian Mummies

CT Scans Reveal Contents of Small Ancient Egyptian Mummies

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CT Scans Reveal Contents of Small Ancient Egyptian Mummies

As scientists peered under the wrappings of two small ancient Egyptian mummies who believed they were carrying human hearts, they were taken aback: Not only were there no noticeable hearts inside, but the remains were not even human. 

Instead of one mummy is packed tightly with grain and mud – a so-called grain mummy, while the other one holds the remains of a bird, possibly a falcon, that is missing a body part and several organs, the researchers found.

“It’s missing its left leg, nobody knows why,” said Dr. Marcia Javitt, chairperson of radiology at Rambam Hospital in Haifa, Israel, and an adjunct professor of radiology at The George Washington University in Washington, D.C., who helped scan the mummies with computed tomography (CT) on June 29. 

The two mummies, both interred in sarcophagi, have been housed at Haifa Museum for about 50 years. However, “records were not kept as diligently as they are now,” so not much is known about them except that they’re more than 2,000 years old, Ron Hillel, registrar, and head of collection management of Haifa Museums told BBC News. 

Over the past few years, the National Maritime Museum in Haifa has been going through its collection and determining the best way to preserve each artifact. When curators came across the two mummies, they realized they didn’t know what was inside.

The records noted they contained mummified hearts, but “we did the research and it didn’t make sense,” Hillel said. Often, (but not always) “the hearts were left in the body,” of Egyptian mummies, Hillel said because the ancient Egyptians thought that when people died, their hearts would be weighed against a feather representing ma’at, an Egyptian concept that includes truth and justice, BBC News previously reported. If the heart weighed the same or less than the feather, these people would earn eternal life; if not, they would be destroyed.

CT scans of the Osiris (left) and Horus (right) mummies.
The “corn mummy” of the ancient Egyptian deity Osiris.

The CT scans done at Rambam Hospital revealed that the mummies had very different insides from one another. The roughly 18-inch-long (45 centimeters) human-shaped mummy — designed to look like Osiris, the god of the afterlife, the dead, life, and vegetation — contained mud and grains. 

“During Osiris festivals that were held, [the ancient Egyptians] would produce these,” Hillel said. “It would be a mixture of clay or sand with these grains, and then they would dip it in water and the grains would germinate.” In effect, this act would tie Osirus to death, life, and Earth’s fertility.

Or, as Javitt put it, “they’re not real mummies; they’re artifacts.”

The other mummy, a roughly 10-inch-long (25 cm) bird-shaped mummy, represented the god Horus. According to Egypt mythology, Horus was the falcon-headed son of Osiris and Isis; a deity associated with the sky and pharaohs. 

The mummy of the falcon-headed deity Horus.

Over time, the bird mummy had desiccated, meaning that the tissue got more dense, like beef jerky. Meanwhile, the marrow in the bones had dried out, leaving nothing but delicate bone tubes.

So Javitt and her colleagues used a dual-energy CT, which uses both normal X-rays and less powerful X-rays, a technique that can reveal properties of the tissues that a regular CT scan can’t, Javitt said. 

“In order to differentiate the soft tissues from one another and the bones and so on, it can be very helpful to use a dual-energy CT,” Javitt said.

Now, her team is identifying the bird’s various tissues and bones. Javitt noted that the bird’s neck is broken, but that this injury likely happened after the bird was dead. That’s because the skin is broken too, and in most cases of broken bones, “you don’t usually crack open the skin from one edge to the opposite side, you just break the bone,” Javitt said. 

Moreover, the bird appears to be missing some of its abdominal organs, but more study is needed to determine which ones aren’t there, she said. For instance, the heart appears to be present, as is the trachea.

Going forward, Hillel said the museum may make a special exhibit centered around these two mummies. He also hopes to have them dated with radiocarbon 14, so the museum can determine their age.


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