embalm bodies.]]> fabric still had pieces of bone and skin attached.]]> discovery never stops.]]> expert.]]> cemeteries.]]> traditions developed.]]> archaeologist who studies the different chemicals that Egyptians used to embalm bodies.]]> process protected the body from rotting away once it was buried.]]> fragile.]]> ancient Egyptians may have figured out how to make a mummy much earlier than believed.]]> microscopes and other tests to learn more about the cloths.]]> civilizations.]]> evidence that the ancient Egyptians may have understood the science of mummification long before that.]]> petroleum.]]> unique chemicals on the cloths.]]>