chemia: Mummy

The Spirit Cave mummies of Fallon, Nevada, in North America were accurately dated at more than 9,400 years old.

A mummy is a dead human or an animal whose soft tissues and organs have been preserved by either intentional or accidental exposure to chemicals, extreme cold, very low humidity, or lack of air, so that the recovered body does not decay further if kept in cool and dry conditions. Some authorities restrict the use of the term to bodies deliberately embalmed with chemicals, but the use of the word to cover accidentally desiccated bodies goes back to at least the early 17th century. Mummies of humans and animals have been found on every continent, both as a result of natural preservation through unusual conditions, and as cultural artifacts. Over one million animal mummies have been found in Egypt, many of which are cats. Many of the Egyptian animal mummies are sacred ibis, and radiocarbon dating suggests the Egyptian ibis mummies that have been analyzed were from a time frame that falls between approximately 450 and 250 BC. The earliest discovered evidence of deliberate mummification in human cultures now extends to approximately 10,000 BC and is documented to have existed across Southeast Asia, China, New Guinea, and Australia in burials discovered there, and is prompting research…

Kategoria: chemia

Rodzina: chemia

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