CZ:Featured article

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

•  Railroads in California [r]: A brief history of the network of interconnected independent rail transport systems located throughout the Union's thirty-first state and how they shaped the region's development. ^[e] (December 22 — 29, 2012)
•  Robert Burns [r]: The National poet of Scotland (1759-96); writer of Auld Lang Syne. ^[e] (December 15 — 22, 2012)
•  Wonders of the world [r]: Lists of especially remarkable artificial or natural structures of worldwide importance ^[e] (December 8 — 15, 2012)
•  Silent letters in English [r]: English letter or letters within a particular word, which are not heard in the pronunciation of the word, but appear in the spelling—and the opposite. ^[e] (December 1 — 8, 2012)
•  Fiscal policy [r]: Policy concerning public expenditure, taxation and borrowing and the provision of public goods and services, and their effects upon social conduct, the distribution of wealth and the level of economic activity. ^[e] (November 24 — December 1, 2012)
•  Liquefied natural gas [r]: Natural gas (predominantly methane, CH4) that has been converted into liquid form for ease of transport and storage. ^[e] (November 17 — 24, 2012)
•  Industrial cooling tower [r]: Heat rejection systems used primarily to provide circulating cooling water in large industrial facilities. ^[e] (November 10 — 17, 2012)
•  Steam generator [r]: A device that uses a heat source to boil liquid water and convert it into its vapor phase, referred to as steam. ^[e] (November 6 — 10, 2012)
•  Fenske equation [r]: An equation for calculating the minimum number of theoretical plates needed to separate a binary feed stream by a fractionation column operated at total reflux (i.e., meaning that no overhead product is being withdrawn from the column). ^[e] (October 28 — November 6, 2012)
•  Pompeii [r]: A Roman city buried by a volcanic eruption A.D. 79. The city is now an important archaeological site. ^[e] (October 20 — 28, 2012)
•  Potassium in nutrition and human health [r]: Role of dietary potassium and its associated bicarbonate-generating organic ions in human physiology and in preventive and therapeutic medicine. ^[e] (October 13 — 20, 2012)
•  Pulmonary embolism [r]: Blocking of the pulmonary artery or one of its branches by an embolus. ^[e] (October 6 — 13, 2012)
•  Spanish missions in California [r]: A series of twenty-one religious outposts and associated support facilities established by Spaniards of the Franciscan Order between 1769 and 1823, in order to spread the Catholic faith among the local Native American populations. ^[e] (September 30 — October 6, 2012)
•  Set theory [r]: Mathematical theory that models collections of (mathematical) objects and studies their properties. ^[e] (September 24 — 30, 2012)
•  Human rights [r]: Natural civil and political rights considered universal and applicable to all human beings worldwide. ^[e] (September 15 — 24, 2012)
•  Acute coronary syndrome‎ [r]: Set of signs and symptoms related to the heart, due to myocardial ischemia. ^[e] (September 7 — 15, 2012)
•  Emergence (biology) [r]: The exhibition of novel collective phenomena in living systems stemming from a complex organization of their many constituent parts. ^[e] (August 31 — September 7, 2012)
•  Food reward [r]: The brain mechanisms involved in reinforcing feeding behaviour. ^[e] (August 24 — 31, 2012)
•  NMR spectroscopy [r]: The use of electromagnetic radiation, in the presence of a magnetic field, to obtain information regarding transitions between different nuclear spin states of the nuclei present in the sample of interest. ^[e] (August 16 — 24, 2012)
• Dokdo [r]: Add brief definition or description (August 10 — 16, 2012)
•  Digital rights management [r]: Legal and technical techniques used by media publishers in an attempt to control distribution and usage of distributed video, audio, ebooks, and similar electronic media. ^[e] (August 3 — 10, 2012)
•  Geometric sequence [r]: In elementary mathematics, a (finite or infinite) sequence of numbers such that the quotient of consecutive elements is constant. ^[e] (July 27 — August 3, 2012)
•  Jet engine [r]: A reaction engine that discharges a high velocity jet of fluid to generate thrust in accordance with Newton's laws of motion. ^[e] (July 20 — 27, 2012)
•  Block cipher [r]: A symmetric cipher that operates on fixed-size blocks of plaintext, giving a block of ciphertext for each ^[e] (July 13 — 20, 2012)
•  Higgs boson [r]: A massive spin-0 elementary particle, first proposed by Peter Higgs, that plays a key role in explaining the mass of other elementary particles. ^[e] (July 6 — 13, 2012)
•  Dementia [r]: Progressive decline in two or more cognitive domains that is severe enough to interfere with the performance of everyday activities. ^[e] (June 29 — July 6, 2012)
•  Scalawag [r]: A Southern white American who joined the Republican party during Reconstruction. ^[e] (June 22 — 29, 2012)
•  Formal fuzzy logic [r]: A system which translates vague assumptions into probabilities that can be used in calculations. ^[e] (June 16 — 22, 2012)
•  Politics [r]: The process by which human beings living in communities make decisions and establish obligatory values for their members. ^[e] (June 8 — 16, 2012)
•  King cobra [r]: the largest venomous snake in the world belonging to the family Elapidae, found throughout South and Southeast Asia. ^[e] (June 1 — 8, 2012)
•  Buddhism [r]: Spiritual tradition founded on the teachings of the Buddha. ^[e] (May 28 — June 1, 2012)
•  Europe [r]: Add brief definition or description (May 19 — 28, 2012)
•  Black mamba [r]: Add brief definition or description (May 11 — 19, 2012)
•  Passive attack [r]: Add brief definition or description (May 5 — 11, 2012)
•  Economics [r]: Add brief definition or description (April 28 — May 5, 2012)
•  Choked flow [r]: Add brief definition or description (April 20 — 28, 2012)
•  RMS Titanic [r]: Add brief definition or description (April 13 — 20, 2012)
•  Karl Marx [r]: Add brief definition or description (April 6 — 13, 2012)
•  ASIMO [r]: Add brief definition or description (March 31 — April 6, 2012)
•  Associated Legendre function [r]: Add brief definition or description (March 23 — 31, 2012)
•  The Social Capital Foundation [r]: Add brief definition or description (March 17 — 23, 2012)
•  History of economic thought [r]: Add brief definition or description (March 9 — 17, 2012)
•  Los Alamos National Laboratory [r]: Add brief definition or description (March 2 — 9, 2012)
•  Diabesity [r]: Add brief definition or description (February 24 — March 2, 2012)
•  Electroconvulsive therapy [r]: Add brief definition or description (February 18 — 24, 2012)
•  International economics [r]: Add brief definition or description (February 10 — 18, 2012)
• The Clash of Civilizations and the Remaking of World Order [r]: Add brief definition or description (February 3 — 10, 2012)
•  National Institute of Standards and Technology [r]: Add brief definition or description (January 27 — February 3, 2012)
•  Hausdorff dimension [r]: Add brief definition or description (January 20 — 27, 2012)
•  Ideal gas law [r]: Add brief definition or description (January 14 — 20, 2012)
•  Volatility (chemistry) [r]: Add brief definition or description (January 6 — 14, 2012)
•  Alcmaeon of Croton [r]: Add brief definition or description (December 31, 2011 — January 6, 2012)
•  Thomas Jefferson [r]: Add brief definition or description (December 23 — 31, 2011)
•  Linguistics [r]: Add brief definition or description (December 17 — 23, 2011)
•  Kilt [r]: Add brief definition or description (December 9 — 17, 2011)
•  Warfarin [r]: Add brief definition or description (December 2 — 9, 2011)
•  Global warming [r]: Add brief definition or description (November 26 — December 2, 2011)
•  Reuben sandwich [r]: Add brief definition or description (November 19 — 26, 2011)
•  British and American English [r]: Add brief definition or description (November 12 — 19, 2011)
•  Plymouth Colony [r]: Add brief definition or description (November 4 — 12, 2011)
•  Arab Spring [r]: Add brief definition or description (October 28 — November 4, 2011)
•  C (letter) [r]: Add brief definition or description (October 22 — 28, 2011)
•  Fertility (demography) [r]: Add brief definition or description (October 14 — 22, 2011)
•  Geometric series [r]: Add brief definition or description (October 8 — 14, 2011)
•  Eurozone crisis [r]: Add brief definition or description (October 1 — 8, 2011)
•  Destroyer [r]: Add brief definition or description (September 26 — October 1, 2011)
• Cypherpunk [r]: Add brief definition or description (September 17 — 26, 2011)
•  Dirac delta function [r]: Add brief definition or description (September 10 — 17, 2011)
• Lockheed SR-71 [r]: Add brief definition or description (September 2 — 10, 2011)
•  Clostridium difficile [r]: Add brief definition or description (August 25 — September 2, 2011)
•  Great Recession [r]: Add brief definition or description (August 19 — 25, 2011)
•  Alice Bailey [r]: Add brief definition or description (August 13 — 19, 2011)
•  Félix d'Hérelle [r]: Add brief definition or description (August 7 — 13, 2011)
•  Miller effect [r]: Add brief definition or description (July 29 — August 7, 2011)
•  Gut-brain signalling [r]: Add brief definition or description (July 23 — 29, 2011)
•  Neanderthal [r]: Add brief definition or description (July 13 — 23, 2011)
•  Tennis [r]: Add brief definition or description (July 2 — 13, 2011)
•  Apollo program [r]: Add brief definition or description (June 26 — July 2, 2011)
•  Semiconductor diode [r]: Add brief definition or description (June 17 — 26, 2011)
•  Miller effect [r]: Add brief definition or description (June 11 — 17, 2011)
•  Specific heat ratio [r]: Add brief definition or description (June 3 — 11 2011)
•  Macromolecular chemistry [r]: Add brief definition or description (May 27 — June 3, 2011)
•  Tecum Umam [r]: Add brief definition or description (May 21 — 27, 2011)
•  Heterotaxis [r]: Add brief definition or description (May 4 — 21, 2011)

Articles of the Week (before May 4, 2011)

•  Space (mathematics) [r]: Add brief definition or description
•  World of Warcraft [r]: Add brief definition or description
•  Social capital [r]: Add brief definition or description
•  Richard Condon [r]: Add brief definition or description
•  Natural gas [r]: Add brief definition or description
•  Stairway to Heaven [r]: Add brief definition or description
•  Cryptography [r]: Add brief definition or description
•  English spellings [r]: Add brief definition or description
•  Folk saint [r]: Add brief definition or description
•  Led Zeppelin [r]: Add brief definition or description
•  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]: Add brief definition or description (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]: Add brief definition or description (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

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