Daily Content Archive
(as of Tuesday, October 4, 2016)| Word of the Day | |||||||
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sunstone
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| Article of the Day | |
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 Electron MicroscopesProducing images of specimens magnified to about 2 million times their natural size—compared to just 2,000 for common light microscopes—electron microscopes use electron beams to resolve the minute structural details present in samples. An integral part of many laboratories, electron microscopes are used by researchers to examine biological materials, such as microorganisms, cells, and medical biopsy samples. Why are samples sometimes coated with gold before they are magnified? More... | |
| This Day in History | |
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 Gutzon Borglum Begins Sculpting Mount Rushmore (1927)Mount Rushmore National Memorial, a massive carving of four US presidents' heads, each about 60 ft (18 m) high, on the side of a South Dakota mountain, took 400 workers 14 years to complete. Its designer, sculptor Gutzon Borglum—who had previously worked on a Confederate memorial on Georgia's Stone Mountain—died before Rushmore was completed, and his unfinished Hall of Records behind the heads is off-limits to the public. What nearby mountain sculpture will dwarf Rushmore when completed? More... | |
| Today's Birthday | |
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 Louis X of France (1289)Louis the Stubborn became king of Navarre, a region in the north of Spain bordering France, upon the death of his mother, Joan of Navarre. Upon the death of his father, Philip IV, in 1314, he became king of France. His rule was short-lived. Following a game of tennis in 1316, he drank a large amount of wine and died from an unverified illness. He is remembered primarily for his concessions to the nobility. At the time of his death, his wife was pregnant with his heir. What happened to the child? More... | |
| Quotation of the Day | |
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 Men become old, but they never become good.Oscar Wilde (1854-1900) | |
| Today's Holiday | |
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 Shiprock Navajo Nation Fair (2020)Also known as the Northern Navajo Fair, this fair began in 1924 and is considered the oldest and most traditional of Navajo fairs. It is held in Shiprock, New Mexico, the largest community of the Navajo Nation. The fair coincides with the conclusion of an ancient healing ceremony known as the Yei Bei Chei (Night Chant), a complex ritual conducted after the first frost. Spectators then go on to other events of the fair such as an all-Indian rodeo, an inter-tribal powwow, a livestock show, a carnival, the Miss Northern Navajo Pageant, and a Saturday morning parade. More... | |