Daily Content Archive
(as of Tuesday, May 28, 2019)| Word of the Day | |||
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| Article of the Day | |
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 Sleep DeprivationSleep is a period of rest for both the body and mind, the lack of which can result in changes to personality, perceptual processes, and intellectual functioning. Humans are unable to totally abstain from sleep, as the brains of the severely sleep-deprived will automatically shut down for short periods, a phenomenon known as microsleep. There is a genetic disease that leads to complete sleeplessness, but it is fatal. What is the longest a healthy person has stayed awake without using stimulants? More... | |
| This Day in History | |
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 NASA Announces Discovery of Ice Deposits on Mars (2002)Launched in April 2001, the Mars Odyssey spacecraft was sent by the US National Aeronautics and Space Administration (NASA) to look for evidence of water on Mars. A little over a year later, NASA announced that water had been detected there in the form of ice, suggesting the possibility of microbial life on the Red Planet. The Phoenix lander confirmed the presence of water in 2008. The presence of what element led NASA researchers to conclude that there was indeed water on Mars? More... | |
| Today's Birthday | |
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 Jean Louis Rodolphe Agassiz (1807)Agassiz was a Swiss-born naturalist and geologist. Noticing the presence of huge alpine boulders in areas of Switzerland where there are no glaciers, he hypothesized that glaciers had, at one time, been widespread in the area and had dragged the boulders there. This lent credence to his theory of a recent ice age. He was also a renowned teacher and did notable work with fossils. Agassiz was a lifelong opponent, on religious grounds, of what now-accepted scientific theory? More... | |
| Quotation of the Day | |
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 To believe in a child is to believe in the future. Through their aspirations they will save the world. With their combined knowledge the turbulent seas of hate and injustice will be calmed. They will champion the causes of life's underdogs, forging a society without class discrimination. They will supply humanity with music and beauty as it has never known. They will endure.Henry James (1843-1916) | |
| Idiom of the Day | |
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mind (one's) manners— To be well behaved and act appropriately. More... | |
| Today's Holiday | |
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 Ethiopia National Day (2025)A military junta called the Derg brought an end to the Ethiopian Empire and Haile Selassie's rule on September 12, 1974. The Derg socialist military regime was overthrown by the Ethiopian People's Revolutionary Democratic Front (EPRDF) in 1991, commemorated by the May 28 holiday. A constitution was adopted in 1994 and Ethiopia's first multiparty elections were held in 1995. More... | |