Daily Content Archive

(as of Thursday, February 27, 2014)
Word of the Day

elapse

Definition:(verb) Pass by.
Synonyms:glide by, go by, slide by, slip by, slip away, go along
Usage: A month has elapsed since our last meeting, so let us begin by reviewing the minutes from that session.
Article of the Day

Messier Objects

In 1784, French astronomer Charles Messier compiled a list of non-stellar celestial objects. He had no understanding of what these items—now known to be galaxies, nebulae, and star clusters—actually were; he just wanted to further the search for comets by listing the indistinct objects that might be mistaken for them. Designations from his catalog are still used to refer to some nebulae and star clusters—for instance, M1 is the Crab Nebula and M45 is the Pleiades. What is a "Messier Marathon"? More...
This Day in History

Carbon-14 Discovered (1940)

Carbon-14 is a radioactive isotope of carbon having a mass number of 14 and a half-life of approximately 5,700 years. It occurs naturally, arising from cosmic rays, and is used as a tracer in studies of metabolism and in radiocarbon dating—a method of determining the age of carbonaceous, once-living material. Carbon-14 was discovered by Martin Kamen and Sam Ruben at the University of California Radiation Laboratory, but its existence had been predicted six years earlier by whom? More...
Today's Birthday

John Steinbeck (1902)

Steinbeck was an American writer perhaps best remembered for his strong, Pulitzer Prize-winning sociological novel The Grapes of Wrath, which is widely considered one of the great American novels of the 20th century. His later novels include Cannery Row, The Pearl, and East of Eden. He received the Nobel Prize for Literature in 1962. One of Steinbeck's last works was Travels with Charley, a travelogue about a road trip across America. Who was Charley? More...
Quotation of the Day
All human actions have one or more of these seven causes: chance, nature, compulsion, habit, reason, passion, and desire.

Aristotle (384 BC-322 BC)

Idiom of the Day

alarm bell

A sudden warning or intimation of danger, risk, or ill fortune. (Often pluralized.) More...
Today's Holiday

Dominican Republic Independence Day (2016)

In the 1830s, Juan Pablo Duarte (1813-1876) organized a secret society known as La Trinitaria to fight the Haitians. After a long struggle, independence was finally declared on February 27, 1844. February 27 is still observed as the country's Independence Day and is celebrated with parades and political meetings. Dominicans usually celebrate Carnival along with Independence Day—thousands gather in the capital, Santo Domingo, for the traditional day-long parade and street party. More...
In the News

Honeybee Pathogens Killing Bumblebees Too

The plight of honeybees, which have been dying out en masse for reasons that have yet to be fully understood, has dominated bee news of late; however, bumblebee populations around the globe have also been in steep decline. For decades, experts have attributed this largely to habitat loss, but researchers have now identified two previously unknown threats to bumblebee survival—deformed wing virus and a fungal parasite called Nosema ceranae. These two pathogens had been known to affect honeybees, but they have now been observed in wild bumblebees as well. More...
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