Daily Content Archive

(as of Thursday, January 4, 2018)
Word of the Day

alkali

Definition:(noun) Any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water.
Synonyms:base
Usage: He dropped a piece of litmus paper into an acid, when it changed instantly to red, and on floating it in an alkali it turned as quickly to blue.
Daily Grammar Lesson

Structures of Declarative Sentences

A declarative sentence makes a statement or argument about what is, was, or will be the case. Which of the four of types of sentence structures—simple, compound, complex, and compound-complex sentences—can be made into declarative sentences? More...
Article of the Day

The Microscope

A key tool in laboratories and biology classrooms, the microscope produces enlarged images of small objects. Its inventor is not conclusively known, so it is credited to two people—Zacharias Janssen around 1590 and Galileo around 1610. Probably the best known type is the compound microscope, which consists of an objective lens and an eyepiece and is widely used in the examination of plant and animal cells and bacteria. Who helped popularize the microscope by using it to discover red blood cells? More...
This Day in History

Donald Campbell Dies in Water Speed Record Attempt (1967)

Following in the footsteps of his father—record-breaking English racing enthusiast Malcolm Campbell—Donald Campbell set the world speed record on water at 276 mph (445 km/h) in 1964. In 1967, during an attempt to set a new record, Donald's jet-powered boat violently disintegrated over Coniston Water, killing him instantly. Though his teddy bear mascot was found floating among the debris, Donald's body was not recovered until nearly 35 years later. Did he at least succeed in breaking his record? More...
Today's Birthday

Sir Isaac Pitman (1813)

Shorthand writing systems have existed since ancient times, but the one favored by court stenographers is relatively new, introduced by Pitman in 1837. In his phonetic shorthand method, words are written as they sound—"deal," "may," and "knife" are spelled "del," "ma," and "nif." Adapted to more than 12 languages, it is one of the most used systems in the world. Phonetics became the family business—Pitman's grandson invented the initial teaching alphabet. What is Stenographic Soundhand? More...
Quotation of the Day
Experience, n.: The wisdom that enables us to recognize as an undesirable old acquaintance the folly that we have already embraced.

Ambrose Bierce (1842-1914)

Idiom of the Day

not your father's

Very modern or updated; no longer what an older generation would expect or be used to. More...
Today's Holiday

Carnival of Blacks and Whites (2022)

The Carnival of Blacks and Whites, held each year in Pasto, Colombia, is one of the oldest Carnival celebrations in South America. The Carnival officially opens on January 4 with a parade commemorating the arrival in Pasto of the Castañeda family, who are presented as a zany group overburdened with luggage, mattresses, and cooking equipment. The following day is the Day of the Blacks. Using special paints and cosmetics, revelers paint themselves and their friends black. Festivities continue on January 6 with the Day of the Whites, in which white paints and cosmetics are used. More...
Word Trivia

Today's topic: useful

alpha version, preview version, beta version - Alpha version describes a development status that usually means the first complete version of a program or application, which is most likely unstable, but is useful to show what the product will do to, usually, a selected group—and is also called preview version; the beta version is usually the last version before wide release, often tested by users under real-world conditions. More...

index fossil - One useful for dating and demonstrating the relation between strata in which it is found. More...

putti - Cupids that make themselves useful, as in old paintings; the singular is putto. More...

decorative arts - Any of the arts that create entities that are both useful and beautiful. More...

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