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{{rpr|Fertility (demography)}} (October 14 — October 21, 2011) | |||
{{rpr|Geometric series}} (October 8 — October 14, 2011) | {{rpr|Geometric series}} (October 8 — October 14, 2011) | ||
{{rpr|Eurozone crisis}} (October 1 — October 8, 2011) | {{rpr|Eurozone crisis}} (October 1 — October 8, 2011) |
Revision as of 19:37, 14 October 2011
Featured Article is an award given weekly to a high-quality Citizendium article.
Chunbum Park is the current Featured Articles maintainer.
Note on editing Featured Articles (8 August 2011)
You are encouraged to fix any errors you find in our Featured Articles. Do note however, that changes made to the current Feature at CZ:Featured article/Current do not automatically apply to the main article. The /Current page is blanked once a week to make room for the next Feature. For your contribution to be permanent, you need to make the change in the main article as well, i.e. the topmost link in the list below. Thank you. Johan Förberg
Formal policy
EC Decision D-2011-014, 28 February 2011:
The welcome page of the Citizendium shall display one or two featured articles.
If no other system of choosing and displaying articles is employed, then at least one article shall be chosen from our Approved articles on a rotating basis and shall thereafter be changed at least once a week.
Remark: This replaces the "Article of the Week" and the "New Draft of the Week" for the time being, or until another feature is installed.
Archive
List of previously featured articles.
Before May 4, 2011, there were two distinct categories of featured articles, which are archived separately.
Featured articles
- Fertility (demography) [r]: The demographic analysis of having babies. [e] (October 14 — October 21, 2011)
- Geometric series [r]: A series associated with a geometric sequence, i.e., consecutive terms have a constant ratio. [e] (October 8 — October 14, 2011)
- Eurozone crisis [r]: A financial crisis involving member countries of the Eurozone [e] (October 1 — October 8, 2011)
- Destroyer [r]: Add brief definition or description (September 26 — October 1, 2011)
- Cypherpunk [r]: Add brief definition or description (September 17 — September 26, 2011)
- Dirac delta function [r]: Sharply peaked function, generalization of the Kronecker delta; a distribution that maps a regular function onto a single function value. [e] (September 10 — September 17, 2011)
- Lockheed SR-71 [r]: Add brief definition or description (September 2 — September 10, 2011)
- Clostridium difficile [r]: A bacteria species causing infectious diarhhea and pseudomembranous colitis. [e] (August 25 — September 2, 2011)
- Great Recession [r]: The disruption of economic activity that began with a downturn in 2007 and generated international repercussions that continued through 2012 and into 2013. [e] (August 19 — August 25, 2011)
- Alice Bailey [r]: Author of spiritual, occult, esoteric and religious themes; early popularizer of terms New Age and Age of Aquarius. [e] (August 13 — August 19, 2011)
- Félix d'Hérelle [r]: (1873 – 1949) - A French-Canadian bacteriologist, and the discoverer of bacteriophages. [e] (August 7 — August 13, 2011)
- Miller effect [r]: The increase in the equivalent input capacitance of an inverting voltage amplifier due to a capacitance connected between two gain-related nodes. [e] (July 29 — August 7, 2011)
- Gut-brain signalling [r]: The interaction between the gastrointestinal tract and the brain. [e] (July 23 — 29, 2011)
- Neanderthal [r]: Extinct member of the Homo genus that is known from Pleistocene specimens found in Europe and parts of western and central Asia. [e] (July 13 — 23, 2011)
- Tennis [r]: A sport played on a hard-surfaced rectangular court, between either two players or two teams of two players each, in which the players attempt to strike a hollow rubber ball, using a stringed raquet, over a net into the opponent's half of the court. [e] (July 2 — 13, 2011)
- Apollo program [r]: A human spaceflight program undertaken by NASA during the years 1961–1975 with the goal of conducting manned moon landing missions. [e] (June 26 — July 2, 2011)
- Semiconductor diode [r]: Two-terminal device that conducts current in only one direction, made of two or more layers of material, of which at least one is a semiconductor. [e] (June 17 — 26, 2011)
- Miller effect [r]: The increase in the equivalent input capacitance of an inverting voltage amplifier due to a capacitance connected between two gain-related nodes. [e] (June 11 — 17, 2011)
- Specific heat ratio [r]: The ratio of the specific heat of a gas at constant pressure, , to the specific heat at constant volume, , also sometimes called the adiabatic index or the heat capacity ratio or the isentropic expansion factor. [e] (June 3 — 11 2011)
- Macromolecular chemistry [r]: The study of the physical, biological and chemical structure, properties, composition, and reaction mechanisms of macromolecules. [e] (May 27 — June 3, 2011)
- Tecum Umam [r]: Legendary defender of the Maya and national hero of Guatemala. [e] (May 21 — 27, 2011)
- Heterotaxis [r]: A genus of orchids formed by a group of about fourteen large epiphytic neotropical species of small flowers, which previously were considered part of genus Maxillaria. [e] (May 4 — 21, 2011)
Articles of the Week (before May 4, 2011)
- Space (mathematics) [r]: A set with some added structure, which often form a hierarchy, i.e., one space may inherit all the characteristics of a parent space. [e]
- World of Warcraft [r]: An online video game, released by Blizzard Entertainment in 2004. [e]
- Social capital [r]: Productive assets arising out of social relations, such as trust, cooperation, solidarity, social networks of relations and those beliefs, ideologies and institutions that contribute to production of goods. [e]
- Richard Condon [r]: (1915 – 1996) A prolific and popular American political novelist whose satiric works were generally presented in the form of thrillers or semi-thrillers. [e]
- Natural gas [r]: A gas consisting primarily of methane (CH4) which is found as raw natural gas in underground reservoirs, as gas associated with underground reservoirs of petroleum crude oil, as undersea methane hydrates and as coalbed methane in underground coal mines. [e]
- Stairway to Heaven [r]: 1971 song written and recorded by Led Zeppelin, which became their signature tune and a centrepiece for the group's live performances. [e]
- Cryptography [r]: A field at the intersection of mathematics and computer science that is concerned with the security of information, typically the confidentiality, integrity and authenticity of some message. [e]
- English spellings [r]: Lists of English words showing pronunciation, and articles about letters. [e]
- Folk saint [r]: A deceased person or spirit that is venerated as a saint but who has not been officially canonized by the Church. [e]
- Led Zeppelin [r]: English hard rock and blues group formed in 1968, known for their albums and stage shows. [e]
- Locality of reference [r]: Add brief definition or description
- Rabbit [r]: Add brief definition or description
- Scarborough Castle [r]: Add brief definition or description (September 3)
- The Clash of Civilizations and the Remaking of World Order [r]: Add brief definition or description (August 27)
- Mauna Kea [r]: Add brief definition or description (August 20)
- Brute force attack [r]: Add brief definition or description (August 13)
- Cruiser [r]: Add brief definition or description (August 5)
- The Canterbury Tales [r]: Add brief definition or description (July 30)
- Milpa agriculture [r]: Add brief definition or description (July 23)
- Domain Name System [r]: Add brief definition or description (July 16)
- Scuticaria [r]: Add brief definition or description (July 9)
- Torture [r]: Add brief definition or description (July 2)
- Miltonia [r]: Add brief definition or description (June 25)
- Ancient Celtic music [r]: Add brief definition or description (June 18)
- Bifrenaria [r]: Add brief definition or description (June 11)
- Halobacterium NRC-1 [r]: Add brief definition or description (June 4)
- Animal [r]: Add brief definition or description (May 28)
- Coal [r]: Add brief definition or description (May 21)
- Johannes Diderik van der Waals [r]: Add brief definition or description (May 7)
- Scientific method [r]: Add brief definition or description (Apr 14)
- Korematsu v. United States [r]: Add brief definition or description (Apr 7)
- Orchid [r]: Add brief definition or description (Mar 31)
- Oliver Cromwell [r]: Add brief definition or description (Mar 24)
- Wisconsin v. Yoder [r]: Add brief definition or description (Mar 17)
- Conventional coal-fired power plant [r]: Add brief definition or description (Mar 10)
- Battle of the Ia Drang [r]: Add brief definition or description (Mar 3)
- Ether (physics) [r]: Add brief definition or description (Feb 24)
- Large-scale trickle filters [r]: Add brief definition or description (11 Feb)
- Homeopathy [r]: Add brief definition or description (28 Jan)
- Microeconomics [r]: Add brief definition or description (14 Jan)
- Speech Recognition [r]: Add brief definition or description (26 Nov)
- Mashup [r]: Add brief definition or description (19 Nov)
- Tux [r]: Add brief definition or description (14 Oct)
- Hydrogen bond [r]: Add brief definition or description (7 Oct)
- Lead [r]: Add brief definition or description (1 Sept)
- DNA [r]: Add brief definition or description (8 July)
- Augustin-Louis_Cauchy [r]: Add brief definition or description (1 July)
- Vasco da Gama [r]: Add brief definition or description (24 June)
- Phosphorus [r]: Add brief definition or description (17 June)
- Crystal Palace [r]: Add brief definition or description (10 June)
- Gross Domestic Product [r]: Add brief definition or description (3 June)
- RNA interference [r]: Add brief definition or description (27 May)
- Latino history [r]: Add brief definition or description (20 May)
- Navy Grog [r]: Add brief definition or description (13 May)
- Systems biology [r]: Add brief definition or description (6 May)
- Steroid [r]: Add brief definition or description (22 Apr)
- Lebanon [r]: Add brief definition or description (15 Apr)
- Wheat [r]: Add brief definition or description (7 Apr)
- Benjamin Franklin [r]: Add brief definition or description (1 Apr)
- Coherer [r]: Add brief definition or description (25 Mar)
- U.S. Civil War [r]: Add brief definition or description (18 Mar)
- Life [r]: Add brief definition or description (11 Mar)
- Petroleum refining processes [r]: Add brief definition or description (4 Mar)
- Shirley Chisholm [r]: Add brief definition or description (20 Feb)
- Telephone Newspaper [r]: Add brief definition or description (4 Feb)
- Wristwatch [r]: Add brief definition or description (28 Jan)
- Korean War of 1592-1598 [r]: Add brief definition or description (21 Jan)
- Andrew Carnegie [r]: Add brief definition or description (11 January 2008)
- Bowling [r]: Add brief definition or description (31 December 2007)
- Architecture [r]: Add brief definition or description (December 6)
- Civil society [r]: Add brief definition or description November 29
- Joan of Arc [r]: Add brief definition or description (November 22)
- Chemistry [r]: Add brief definition or description (November 15)
- Albert Gallatin [r]: Add brief definition or description (November 8)
- Prime number [r]: Add brief definition or description (November 1)
- Tennis [r]: A sport played on a hard-surfaced rectangular court, between either two players or two teams of two players each, in which the players attempt to strike a hollow rubber ball, using a stringed raquet, over a net into the opponent's half of the court. [e] (October 25)
- Rottweiler [r]: Add brief definition or description (October 18)
- Theodor Lohmann [r]: Add brief definition or description (October 9)
- William Shakespeare [r]: Add brief definition or description (October 2)
- Edward I [r]: Add brief definition or description (September 25)
- El Tío [r]: Add brief definition or description (September 18)
- Scotland Yard [r]: Add brief definition or description (September 11)
- Kilt [r]: Add brief definition or description (September 4)
- U.S. Electoral College [r]: Add brief definition or description (August 28)
- Butler [r]: Add brief definition or description (August 21)
- Tony Blair [r]: Add brief definition or description (August 14)
- Northwest Passage [r]: Add brief definition or description (August 7)
- Literature [r]: Add brief definition or description (July 31)
- Biology [r]: Add brief definition or description (July 25)
New Drafts of the Week (before May 4, 2011)
- Multi-touch interface [r]: Add brief definition or description
- NoSQL [r]: Add brief definition or description
- Debt [r]: Add brief definition or description
- Ellesmere Chaucer manuscript [r]: Add brief definition or description
- Ellipse [r]: Add brief definition or description
- Aeneid [r]: Add brief definition or description
- Tall tale [r]: Add brief definition or description
- Plane (geometry) [r]: Add brief definition or description
- Steam [r]: Add brief definition or description
- Wasan [r]: Add brief definition or description
- Racism in Australia [r]: Add brief definition or description
- Think tank [r]: Add brief definition or description
- Les Paul [r]: Add brief definition or description
- Zionism [r]: Add brief definition or description (September 3)
- Earth's atmosphere [r]: Add brief definition or description (August 27)
- Joshua Lawrence Chamberlain [r]: Add brief definition or description (August 20)
- The Sporting Life (album) [r]: Add brief definition or description (August 13}
- The Rolling Stones [r]: Add brief definition or description (August 5)
- Euler angles [r]: Add brief definition or description (July 30)
- Chester Nimitz [r]: Add brief definition or description (July 23)
- Heat [r]: Add brief definition or description (July 16)
- Continuum hypothesis [r]: Add brief definition or description (July 9)
- Hawaiian alphabet [r]: Add brief definition or description (July 2)
- Now and Zen [r]: Add brief definition or description (June 25)
- Wrench (tool) [r]: Add brief definition or description (June 18)
- Air preheater [r]: Add brief definition or description (June 11)
- 2009 H1N1 influenza virus [r]: Add brief definition or description (June 4)
- Gasoline [r]: Add brief definition or description (21 May)
- John Brock [r]: Add brief definition or description (8 May)
- McGuffey Readers [r]: Add brief definition or description (14 Apr)
- Vector rotation [r]: Add brief definition or description (7 Apr)
- Leptin [r]: Add brief definition or description (31 Mar)
- Kansas v. Crane [r]: Add brief definition or description (24 Mar)
- Punch card [r]: Add brief definition or description (17 Mar)
- Jass–Belote card games [r]: Add brief definition or description (10 Mar)
- Leptotes (orchid) [r]: Add brief definition or description (3 Mar)
- Worm (computers) [r]: Add brief definition or description (24 Feb)
- Joseph Black [r]: Add brief definition or description (11 Feb 2009)
- Sympathetic magic [r]: Add brief definition or description (17 Jan 2009)
- Dien Bien Phu [r]: Add brief definition or description (25 Dec)
- Blade Runner [r]: Add brief definition or description (25 Nov)
- Piquet [r]: Add brief definition or description (18 Nov)
- Crash of 2008 [r]: Add brief definition or description (23 Oct)
- Information Management [r]: Add brief definition or description (31 Aug)
- Battle of Gettysburg [r]: Add brief definition or description (8 July)
- Drugs banned from the Olympics [r]: Add brief definition or description (1 July)
- Sea glass [r]: Add brief definition or description (24 June)
- Dazed and Confused (Led Zeppelin song) [r]: Add brief definition or description (17 June)
- Hirohito [r]: Add brief definition or description (10 June)
- Henry Kissinger [r]: Add brief definition or description (3 June)
- Palatalization [r]: Add brief definition or description (27 May)
- Intelligence on the Korean War [r]: Add brief definition or description (20 May)
- Trinity United Church of Christ, Chicago [r]: Add brief definition or description (13 May)
- BIOS [r]: Add brief definition or description (6 May)
- Miniature Fox Terrier [r]: Add brief definition or description (23 April)
- Joseph II [r]: Add brief definition or description (15 Apr)
- British and American English [r]: Add brief definition or description (7 Apr)
- Count Rumford [r]: Add brief definition or description (1 April)
- Whale meat [r]: Add brief definition or description (25 March)
- Naval guns [r]: Add brief definition or description (18 March)
- Sri Lanka [r]: Add brief definition or description (11 March)
- Led Zeppelin [r]: English hard rock and blues group formed in 1968, known for their albums and stage shows. [e] (4 March)
- Martin Luther [r]: Add brief definition or description (20 February)
- Cosmology [r]: Add brief definition or description (4 February)
- Ernest Rutherford [r]: Add brief definition or description(28 January)
- Edinburgh [r]: Add brief definition or description (21 January)
- Russian Revolution of 1905 [r]: Add brief definition or description (8 January 2008)
- Phosphorus [r]: Add brief definition or description (31 December)
- John Tyler [r]: Add brief definition or description (6 December)
- Banana [r]: Add brief definition or description (22 November)
- Augustin-Louis Cauchy [r]: Add brief definition or description (15 November)
- B-17 Flying Fortress (bomber) [r]: Add brief definition or description - 8 November 2007
- Red Sea Urchin [r]: Add brief definition or description - 1 November 2007
- Symphony [r]: Add brief definition or description - 25 October 2007
- Oxygen [r]: Add brief definition or description - 18 October 2007
- Origins and architecture of the Taj Mahal [r]: Add brief definition or description - 11 October 2007
- Fossilization (palaeontology) [r]: Add brief definition or description - 4 October 2007
- Cradle of Humankind [r]: Add brief definition or description - 27 September 2007
- John Adams [r]: Add brief definition or description - 20 September 2007
- Quakers [r]: Add brief definition or description - 13 September 2007
- Scarborough Castle [r]: Add brief definition or description - 6 September 2007
- Jane Addams [r]: Add brief definition or description - 30 August 2007
- Epidemiology [r]: Add brief definition or description - 23 August 2007
- Gay community [r]: Add brief definition or description - 16 August 2007
- Edward I [r]: Add brief definition or description - 9 August 2007