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Julius Caesar in full Gaius Julius Caesar (100? BCE-44 BCE) statue in Rimini, Italy. Roman general and statesman and dictator

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Charles Darwin, carbon print photograph by Julia Margaret Cameron, 1868.

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Groups of depositors in front of the closed American Union Bank, New York City. April 26, 1932. Great Depression run on bank crowd

Causes of the Great Depression

earthquake. Heavily damaged school in the town of Yingxiu after a major earthquake struck China's Sichuan Province on May 12, 2008.

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Illustration by the CDC, reveals ultrastructural morphology exhibited by coronaviruses. Note the spikes on the outer surface of the virus, which impart the look of a corona surrounding the virion, when viewed electron microscopically. A novel coronavirus,

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Encyclopaedia Britannica First Edition: Volume 1, Plate XXXVIII, Figure 2, Ark, Ark of the Covenant, a small chest, coffer, contains Aaron's rod, manna pot, tables of covenant, Schechinah, Divine Presence, oracle, shittim-wood, acacia tree

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Gills of three old specimens of webcap fungus (Cortinarius) in Gloucestershire, South West England. toxic, fungi, poisonous mushroom

7 of the World’s Most Poisonous Mushrooms

steeling

welding process

Learn about this topic in these articles:

use in toolmaking

In hand tool: European usage
Steeling, or the welding of strips of steel to the iron head, was invented in the Middle Ages. The head was first rough-forged by bending a properly shaped piece of flat iron stock around an iron handle pattern to form the eye. Steeling could take…
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