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Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)
7 of the World’s Deadliest Shipwrecks
Mount Everest (Mt. Everest, mountains, Himalayas).
Is Mount Everest Really the Tallest Mountain in the World?
Bog body. Head of Tollund Man. Died at about age 30-40, Dated to about 280 BCE early Iron Age. Found Bjaeldskovdal bog Denmark in 1950 near Elling Woman. Most well preserved bog body to date. Human remains mummified in natural peat bogs. mummy, embalm
9 Noteworthy Bog Bodies (And What They Tell Us)
Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.
10 Famous Artworks by Leonardo da Vinci
Mother tickling her daughter, sitting in a garden
Why Can’t You Tickle Yourself?
Thanksgiving Turkey with all the sides
Why Do We Eat Turkey on Thanksgiving?
Odissi Indian classical female dancer on white background. (Indian dancer; classical dancer; Indian dance)
6 Classical Dances of India

doré

alloy

Learn about this topic in these articles:

gold and silver production

  • In silver processing: From copper concentrates

    The metal recovered, called doré, generally contains 0.5 to 5 percent gold, 0.1 to 1 percent platinum metals, and the balance silver. This metal is cast to form anodes and electrolyzed in a solution of silver-copper nitrate. Two different electrorefining techniques are employed, the Moebius and Thum Balbach systems.…

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