Gold is a highly prized precious metal that for millennia has been used as money, a store of value and in jewelry. The metal occurs as nuggets or grains in rocks and in alluvial deposits and is one of the coinage metals. It is a soft, shiny, yellow, dense, malleable, and ductile (trivalent and univalent) transition metal. Modern industrial uses include dentistry and electronics. Gold forms the basis for a monetary standard used by the International Monetary Fund (IMF) and the Bank for International Settlements (BIS). Its ISO currency code is XAU.
Gold is a chemical element in the periodic table with the symbol Au (from the Latin aurum) and atomic number 79. The adjective auric refers to something made of gold. Gold does not react with most chemicals but is attacked by chlorine, fluorine, aqua regia and cyanide and dissolves in mercury.

Red Gold - PBS four-part TV series examining the facts and myths about human blood.
Meta Description: [ RED GOLD: The Epic History of Blood delves into the facts and myths about human blood and its impact on everything from religion and medicine to commerce and popular culture throughout history. This Web site, along with the four-part series, addresses the ways in which we have understood and misu... ]
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