What is a mummy?
When a person or animal dies, bacteria on the body causes it to decompose, eventually leaving just the skeleton behind. But sometimes, if the conditions are just right, a body will be mummified instead. A mummy is any dead body where the fleshy parts have been somehow preserved. Mummies are found all over the world, and have been preserved in a variety of ways. Sometimes they are mummified accidentally by nature, and sometimes they are mummified intentionally by humans. Although there are many different types of human and animal mummies, the one thing they all have in common is that somehow bacteria was prevented from causing the body to rot.Another famous frozen mummy is "the Ice Man," who has the prestige of being the oldest well-preserved human mummy in the world. How old? About 5,300 years! Hikers found him frozen in a glacier in the Alps near the border of Italy and Austria. By studying his body and the clothing and tools that were found with him, scientists are trying to figure out who the Ice Man was and how he lived and died.
The Ice Man may be the oldest frozen human mummy, but there is a frozen animal mummy that's even older. In 1977, a mummified baby woolly mammoth was found in ice-- it had died 30,000 years ago!
In addition to warmth and oxygen, bacteria also needs moisture to decompse a corpse. In the late 1800's, the mummified bodies of people (and pet dogs, too!) were found buried in a cemetary located in the dry desert region of coastal Peru.
And of course, some mummies are made intentionally by humans. No matter what mummification technique is used, a mummy is always made by somehow robbing bacteria of at least one of the factors it needs to cause decay: moisture, warmth, or oxygen.
The Gaunche people of the Canary Islands used to dry the bodies of their dead and stuff them with plants. Ancient New Guineans, Colombians, and some Peruvians would smoke-dry their dead, preserving them like beef jerky! Killing bacteria with chemical treatments is another manner in which to preserve a body. From 1599 to 1920, Sicilian monks used a secret process to mummify the dead. Six thousand of these mummies are on display in the catacombs of a church in Palermo, Sicily.
Even some well-known people have been mummified in recent times. In 1952, the body of Eva Peron (she was the wife of a former leader of Argentina, and the subject of the movie "Evita") was preserved by a technique that involved paraffin wax. Russian leader Vladimir Lenin was also mummified. His body is actually on display in Red Square, Moscow!
By far, the most famous mummies are those from Egypt. The earliest ones were created accidentally by nature, but eventually the ancient Egyptians began creating them intentionally to go along with their belief in an afterlife. Egyptian mummifying techniques evolved over several thousands of years. People weren't the only kind of mummies-- cats, crocodiles, baboons, and a legion of other animal species were immortalized as well.
The first Egyptian mummies
The dead were buried unclothed in a crouched position in shallow graves. Clay pots of food and water and some of the deceased's favorite possessions were put in the grave with the body. It was believed that the spirit would use these items in the afterlife. What the early Egyptians didn't realize was that the hot dry sands naturally preserved the dead by absorbing the moisture out of the body. Without moisture, bacteria on the bodies couldn't cause decay. This was good news because in some mysterious way, their dead relatives seemed to still be living. Sort of, anyway!
However, the manner in which they found this out was not good news. The early Egyptians probably realized that the dead were preserved after discovering that the scavenging jackals were digging up the bodies to eat.
So what's an Egyptian to do? The bodies obviously needed a more dignified burial. One improvement was to pile rocks on the graves to keep the jackals out. They also began lining the burial pits with straw or animal skins. Later still, they added floors and walls made of mud bricks. These early tombs were much better than a simple hole in the sand.
However, these more elaborate burials were disasters, not improvements! Since the coffin and the coating of resin and linen kept the hot dry sand away from the corpse, the bodies decayed from within instead of becoming mummified. The Egyptians probably discovered this when grave robbers broke into the graves to steal the treasures. All that remained inside the stiff bandages were bones.
The Egyptians faced a dilemma. They desired elaborate burials, but wanted to preserve the dead as well. They realized that the trick was to preserve the bodies before burial. They experimented with different techniques and finally discovered a method of mummification that was so effective that their mummies are still preserved today.
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