Daily Content Archive

(as of Tuesday, December 27, 2016)
Word of the Day

tetragon

Definition:(noun) A four-sided polygon.
Synonyms:quadrangle, quadrilateral
Usage: Long after the teacher had moved on from the geometry lesson, Alice found herself absentmindedly sketching tetragons in her notebook.
Article of the Day

High-Speed Photography

High-speed photography allows fast moving phenomena to be recorded with precision and clarity. While in 1948 high-speed photography was defined as a set of at least 3 photographs taken by a camera capable of recording a minimum of 128 frames per second, today's equipment can shoot as many as 1 million frames per second. High-speed photography was first put to practical use in 1878 to investigate whether or not a trotting horse ever has all 4 feet off the ground at once. What did the images show? More...
This Day in History

The Hagia Sophia Is Completed (537 CE)

Distinguished by its size and rising succession of domes, the Hagia Sophia is the supreme masterpiece of Byzantine architecture. First a church, later a mosque, and now a museum, it was designed under Justinian I by Anthemius of Tralles and Isidorus of Miletus and completed in less than six years. Its combination of a longitudinal basilica with a main building was wholly original in the sixth century, as was its use of pendentives. The Hagia Sophia stands on the site of what earlier structure? More...
Today's Birthday

Marlene Dietrich (1901)

Dietrich was a German actress and singer. Abandoning an early ambition to be a violinist, she turned to acting and gained international attention as a femme fatale in The Blue Angel (1930). She then moved to Hollywood, where she starred in a series of films that established her glamorous and sophisticated persona. Resisting Nazi pressure to return to Germany, she became a US citizen in 1939. During WWII, she regularly entertained Allied troops, appearing before them how many times? More...
Quotation of the Day
Why is it that when you awake to the world of realities you nearly always feel, sometimes very vividly, that the vanished dream has carried with it some enigma which you have failed to solve?

Fyodor Dostoyevsky (1821-1881)

Idiom of the Day

here you are

Here is what you needed or asked for; I present this to you. More...
Today's Holiday

Dian Fossey Day (2016)

American conservationist Dian Fossey (1932-1985) conducted groundbreaking research on Rwanda's mountain gorillas, a species long victimized by wide-scale poaching, and helped ensure their preservation. Fossey was murdered in her cabin at a research center in the Virunga Mountains on December 27, 1985. Ceremonies for the anniversary of her death take place in Volcanoes National Park, which contains a permanent memorial to the zoologist. Individuals typically perform traditional dances, while government officials deliver speeches and lay wreaths on her gravesite. More...
In the News

New Research on Giraffe Biology, Dwindling Population Size Gives Zoos a Tall Order

A pair of scientific discoveries have forced zoos to rethink how they handle giraffes. Earlier this month the International Union for Conservation of Nature reclassified giraffes on its Red List of Threatened Species, changing their status from “Least Concerned” to ... More...
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