Daily Content Archive

(as of Friday, June 16, 2017)
Word of the Day

navel

Definition:(noun) The mark on the surface of the abdomen of mammals where the umbilical cord was attached during gestation.
Synonyms:bellybutton, omphalos, umbilicus
Usage: The first-graders were awed by Tom's navel, which protruded outward in classic "outie" fashion.
Daily Grammar Lesson

Modal Auxiliary Verbs - Will

As a modal auxiliary verb, "will" is particularly versatile, having several different meanings and functions, including to form future tenses. It is also used to express an expected hypothetical outcome in what type of sentence? More...
Article of the Day

Self-Replicating Spacecraft

A self-replicating spacecraft is an entity that would, in theory, be able to travel to a neighboring star-system and extract raw materials from celestial bodies to create replicas of itself. Such replicas could then be sent to other star systems, repeating the process in an exponentially increasing pattern. Using relatively conventional theoretical methods of interstellar travel, how long would it take for self-replicating spacecrafts to spread throughout the Milky Way Galaxy? More...
This Day in History

Cosmonaut Valentina Tereshkova Becomes First Woman in Space (1963)

Tereshkova was a Soviet cosmonaut who became the first woman to fly in space. In 1963, she was the solo pilot of a three-day flight aboard Vostok 6, orbiting the Earth 48 times. Her flight was her only experience in space, and she left the Soviet space program soon after and married cosmonaut Andriyan Nikolayev. Their daughter, Elena, born a year later, was the first child of parents who had both been in space. What was Tereshkova's job before she was recruited as a cosmonaut? More...
Today's Birthday

George Gaylord Simpson (1902)

Simpson, an American paleontologist, helped develop the modern biological theory of evolution, drawing on paleontology, genetics, ecology, and natural selection. His contributions to evolutionary theory include a detailed classification of mammals, which is still the standard, and the discovery of the migratory and evolutionary patterns of the prehistoric fauna of the Americas, from which he deduced that species reached adaptive peaks and suffered accidental dispersal. What word did he coin? More...
Quotation of the Day
Here, sir, the people govern; here they act by their immediate representatives.

Alexander Hamilton (1755-1804)

Idiom of the Day

pop into (someone's) head

To occur or form suddenly in someone's mind, as a thought, idea, or revelation. More...
Today's Holiday

Father's Day (2019)

Sonora Louise Smart Dodd from Spokane, Washington, suggested to her minister in 1910 that a day be set aside for honoring fathers. The Ministerial Association and the Spokane YMCA picked up on the idea, and in 1924 Father's Day received the support of President Calvin Coolidge. But it wasn't until 1966 that a presidential proclamation established Father's Day as the third Sunday in June. Although it began as a religious celebration, today it is primarily an occasion for showing appreciation through gift-giving. More...
Word Trivia

Today's topic: socket

ball, socket - On a clothing snap, there is a ball and a socket. More...

socket - From Middle English, first as "head of a spear, resembling a plowshare," from an Anglo-Norman French diminutive of French soc, "plowshare." More...

acetabulum - The socket of the hip bone, into which the head of the femur fits. More...

birn - The socket in a clarinet or other woodwind into which the mouthpiece fits. More...

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