Daily Content Archive
(as of Friday, April 26, 2019)| Word of the Day | |||
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| Article of the Day | |
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 RetrovirusesA retrovirus is a type of RNA virus that reproduces itself by transcribing its DNA into the genetic material of the host cell. These viruses are therefore used as vectors by genetic engineers to import foreign DNA into certain cells. Retroviruses sometimes destroy the cells whose DNA they alter, as with HIV, and sometimes cause them to become cancerous, as with the viruses that cause certain leukemias. What enables retroviruses to rapidly develop resistance to antiviral drugs? More... | |
| This Day in History | |
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 Syria Ends Occupation of Lebanon (2005)In 1976, with his country embroiled in a deadly civil war, the Lebanese president turned to Syria for assistance. At his request, Syrian forces entered Lebanon. Despite their 29-year presence, the Syrians were unable to secure lasting stability. By 2005, Syrian influence in Lebanese government had provoked protests, which intensified after the assassination of Prime Minister Rafik Hariri, and Syrian troops finally withdrew in April. When did the two countries re-establish diplomatic relations? More... | |
| Today's Birthday | |
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 Ferdinand Victor Eugène Delacroix (1798)Considered the foremost painter of the Romantic movement in France, Delacroix is known for his dramatic interpretations of scenes from mythology, literature, and political, religious, and literary history and for his sensuous use of color. His most influential work is 1830's revolution-themed Liberty Leading the People, which likely inspired the design of the Statue of Liberty. During a trip to Morocco, he painted many scenes of North African life. Why did he struggle to find subjects? More... | |
| Quotation of the Day | |
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 Considering how foolishly people act and how pleasantly they prattle, perhaps it would be better for the world if they talked more and did less.W. Somerset Maugham (1874-1965) | |
| Idiom of the Day | |
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(there's) no comparison— This person or thing is clearly and inarguably better than any other. More... | |
| Today's Holiday | |
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 John Audubon Day (2024)John James Audubon (1785-1851) was America's foremost ornithological illustrator. After his death in 1851, Audubon's wife Lucy returned to teaching to support herself. One of her students, George Bird Grinnell, in 1886 organized the Audubon Society for the study and protection of birds. Today there are many branches of this organization, known as the National Audubon Society, and its members honor Audubon on his birthday, April 26. In some states, Audubon Day and Arbor Day are celebrated together by planting trees in bird sanctuaries. More... | |