Daily Content Archive
(as of Wednesday, December 18, 2019)| Word of the Day | |||||||
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free-spoken
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| Daily Grammar Lesson | |
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Defining the Present Simple TenseThe present simple tense is used when we speak about habits, general facts, and timetables. Does something have to be occurring in the present moment in time for it to be in the present simple tense? More... | |
| Article of the Day | |
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 MasersA maser is a device that produces an intense and highly focused beam of electromagnetic radiation in the microwave range of the spectrum. Its name is an acronym for "microwave amplification by stimulated emission of radiation." A wavelength produced by a maser is so constant and reproducible that it can be used to control a clock that remains accurate to one second over hundreds of years. Masers also make it possible to measure faint radio waves emitted by Venus. How do they differ from lasers? More... | |
| This Day in History | |
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 Saturn's Moon Epimetheus Is Discovered (1966)Epimetheus, a nonspherical body measuring about 89 mi (144 km) by 67 mi (108 km) by 61 mi (98 km), is one of Saturn's 48 confirmed natural satellites. It was discovered in 1966 and photographed in 1980 by the Voyager 1 probe. Epimetheus and another moon, Janus, are co-orbital, meaning that they share nearly the same orbit. About every fourth year, the lower, faster satellite overtakes the other and is boosted into the higher orbit. After what mythological figure is Epimetheus named? More... | |
| Today's Birthday | |
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 Tyrus Raymond "Ty" Cobb (1886)Cobb was one of the greatest offensive players and perhaps the fiercest competitor in baseball history. During his 24-year career as an outfielder for the Detroit Tigers and Philadelphia Athletics, he set records that would stand for decades, including 892 stolen bases—a feat partly attributed to the brutality with which he used his cleats. Cobb provoked controversy on and off the field but was the first player elected to baseball's Hall of Fame in 1936. Which of his records remain unbroken? More... | |
| Quotation of the Day | |
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 The properties of ink are peculiar and contradictory: it may be used to make reputations and unmake them; to blacken them and to make them white; but it is most generally and acceptably employed as a mortar to bind together the stones of an edifice of fame, and as a whitewash to conceal afterward the rascal quality of the material.Ambrose Bierce (1842-1914) | |
| Idiom of the Day | |
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drive (someone) potty— To make someone particularly annoyed, vexed, or crazy. Primarily heard in UK. More... | |
| Today's Holiday | |
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 Niger Republic Day (2019)On August 3, 1960, Niger gained full independence from France, after having been a colony since 1922. Niger had voted to become a republic on December 18, 1958. August 3 is a national holiday celebrating Independence Day, while December 18 is Republic Day. More... | |
| Word Trivia | |
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Today's topic: management | |