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Anarchism is a political philosophy and movement that is sceptical of authority and rejects all involuntary, coercive forms of hierarchy.
Autism is a neurodevelopmental disorder characterized by difficulties with social interaction and communication, and by restricted and repetitive behavior.
Albedo (; ) is the measure of the diffuse reflection of solar radiation out of the total solar radiation and measured on a scale from 0, corresponding to a black body that absorbs all incident radiation, to 1, corresponding to a body that reflects all incident radiation.
A, or a, is the first letter and the first vowel of the modern English alphabet and the ISO basic Latin alphabet.
Alabama () is a state in the Southeastern region of the United States, bordered by Tennessee to the north; Georgia to the east; Florida and the Gulf of Mexico to the south; and Mississippi to the west.
In Greek mythology, Achilles ( ) or Achilleus () was a hero of the Trojan War, the greatest of all the Greek warriors, and is the central character of Homer's Iliad.
Abraham Lincoln (; February 12, 1809 – April 15, 1865) was an American lawyer and statesman who served as the 16th president of the United States from 1861 until his assassination in 1865.
Aristotle (; Aristotélēs, ; 384–322 BC) was a Greek philosopher and polymath during the Classical period in Ancient Greece.
An American in Paris is a jazz-influenced orchestral piece by American composer George Gershwin first performed in 1928.
The Academy Award for Best Production Design recognizes achievement for art direction in film.
The Academy Awards, popularly known as the Oscars, are awards for artistic and technical merit in the film industry.
Actresses (Catalan: Actrius) is a 1997 Catalan language Spanish drama film produced and directed by Ventura Pons and based on the award-winning stage play E.R.
Animalia is an illustrated children's book by Graeme Base.
International Atomic Time (TAI, from the French name ) is a high-precision atomic coordinate time standard based on the notional passage of proper time on Earth's geoid.
Altruism is the principle and moral practice of concern for happiness of other human beings or other animals, resulting in a quality of life both material and spiritual.
Alice O'Connor (born Alisa Zinovyevna Rosenbaum; , 1905 – March 6, 1982), better known by her pen name Ayn Rand (), was a Russian-born American writer and philosopher.
Alain Connes (; born 1 April 1947) is a French mathematician, and a theoretical physicist, known for his contributions to the study of operator algebras and noncommutative geometry.
Allan Dwan (born Joseph Aloysius Dwan; April 3, 1885 – December 28, 1981) was a pioneering Canadian-born American motion picture director, producer, and screenwriter.
Algeria, officially the People's Democratic Republic of Algeria, is a country in the Maghreb region of North Africa.
This is a list of characters in Ayn Rand's 1957 novel Atlas Shrugged.
Anthropology is the scientific study of humanity, concerned with human behavior, human biology, cultures, societies, and linguistics, in both the present and past, including past human species.
Agricultural science (or agriscience for short) is a broad multidisciplinary field of biology that encompasses the parts of exact, natural, economic and social sciences that are used in the practice and understanding of agriculture.
Alchemy (from Arabic: al-kīmiyā; from Ancient Greek: khumeía) is an ancient branch of natural philosophy, a philosophical and protoscientific tradition that was historically practiced in China, India, the Muslim world, and Europe.
Alien primarily refers to: Alien (law), a person in a country who is not a national of that country Enemy alien, the above in times of war Extraterrestrial life, life which does not originate from Earth Specifically, intelligent extraterrestrial beings; see List of alleged extraterrestrial beings Introduced species, a species not native to its environment Alien(s), or The Alien(s) may also refer to: Science and technology AliEn (ALICE Environment), a grid framework Alien (file converter), a Linux program Alien Technology, a manufacturer of RFID technology Arts and entertainment Alien (franchise), a media franchise Alien (creature in Alien franchise) Films Alien (film), a 1979 film by Ridley Scott Aliens (film), second film in the franchise from 1986 by James Cameron Alien 3, third film in the franchise from 1992 by David Fincher Alien Resurrection, fourth film in the franchise from 1997 by Jean-Pierre Jeunet Alien vs.
An astronomer is a scientist in the field of astronomy who focuses their studies on a specific question or field outside the scope of Earth.
ASCII ( ), abbreviated from American Standard Code for Information Interchange, is a character encoding standard for electronic communication.
Austin is the capital of Texas in the United States.
Animation is a method in which figures are manipulated to appear as moving images.
Apollo is one of the Olympian deities in classical Greek and Roman religion and Greek and Roman mythology.
Andre Kirk Agassi ( ; born April 29, 1970) is an American former world No.
The Austroasiatic languages , also known as Mon–Khmer , are a large language family in Mainland Southeast Asia and South Asia.
Afroasiatic (Afro-Asiatic), also known as Afrasian or Hamito-Semitic, Semito-Hamitic, or Erythraean, is a large language family of about 300 languages that are spoken predominantly in Western Asia, North Africa, the Horn of Africa and parts of the Sahel.
Andorra, officially the Principality of Andorra, is a sovereign landlocked microstate on the Iberian Peninsula, in the eastern Pyrenees, bordered by France to the north and Spain to the south.
In mathematics and statistics, the arithmetic mean ( ) or arithmetic average, or simply just the mean or the average (when the context is clear), is the sum of a collection of numbers divided by the count of numbers in the collection.
The American Football Conference (AFC) is one of the two conferences of the National Football League (NFL), the highest professional level of American football in the United States.
Animal Farm is a satirical allegorical novella by George Orwell, first published in England on 17 August 1945.
Amphibians are ectothermic, tetrapod vertebrates of the class Amphibia.
Alaska (; ; ; ; Yup'ik: Alaskaq; ) is a state located in the Western United States on the northwest extremity of North America.
Agriculture is the practice of cultivating plants and livestock.
Aldous Leonard Huxley (26 July 1894 – 22 November 1963) was an English writer and philosopher.
Ada may refer to: Places Africa Ada Foah or Ada, Ghana, a town Ada (Ghana parliament constituency) Ada, Osun, a town in Osun State, Nigeria Asia Adeh, Urmia, also known as Ada, a village in West Azerbaijan Province Ada, Karaman, a village in Karaman Province, Turkey Australia and New Zealand Ada River (disambiguation), three rivers Europe Ada, Bosnia and Herzegovina, a village Ada, Croatia, a village Ada, Serbia, a town and municipality Ada Ciganlija or Ada, a river island artificially turned into a peninsula in Belgrade, Serbia North America United States Ada, Alabama, an unincorporated community Ada County, Idaho Ada, Kansas, an unincorporated community Ada Township, Michigan Ada, Minnesota, a city Ada Township, Dickey County, North Dakota Ada, Ohio, a village Ada, Oklahoma, a city Ada, Oregon, an unincorporated community Ada Township, Perkins County, South Dakota Ada, West Virginia, an unincorporated community Ada, Wisconsin, an unincorporated community Outer space 523 Ada, an asteroid Film and television Ada TV, a television channel in the Turkish Republic of Northern Cyprus Ada (1961 film), a 1961 film by Daniel Mann Ada (2019 film), a short biopic about Ada Lovelace Ada... A Way of Life, a 2008 Bollywood musical by Tanvir Ahmed Ada (dog actor), a dog that played Colin on the sitcom Spaced Ada, one of the main characters in 1991 movie Armour of God II: Operation Condor Biology Ada (plant), a genus of orchids Adenosine deaminase, an enzyme involved in purine metabolism Ada (protein), an enzyme induced by treatment of bacterial cells Computer science Ada (programming language), programming language based on Pascal Ada (computer virus) Air travel Ada Air, a regional airline based in Tirana, Albania Ada International Airport or Saipan International Airport, Saipan Island, Northern Mariana Islands Aerolínea de Antioquia, a Colombian airline Airline Deregulation Act, a 1978 US bill removing governmental control from commercial aviation Schools Ada, the National College for Digital Skills, a further education college in Tottenham Hale, London Ada High School (Ohio), Ada, Ohio Ada High School (Oklahoma), Ada, Oklahoma People Ada (name), a feminine given name and a surname, including a list of people and fictional characters Ada Lovelace (1815–1852), computer scientist sometimes regarded as the first computer programmer Other uses List of tropical storms named Ada Ada (food), a traditional Kerala delicacy Ada, the cryptocurrency of the Cardano blockchain platform Ada Bridge, Belgrade, Serbia , a cargo vessel built for the London and South Western Railway Ada (ship), a wooden ketch, wrecked near Newcastle, New South Wales, Australia Ada or Ardor: A Family Chronicle, novel by Vladimir Nabokov Dangme language, spoken in Ghana (ISO 639-2 and 639-3 code "ada") Ada Health GmbH, a symptom checker app See also ADA (disambiguation) Ada regulon, an Escherichia coli adaptive response protein Adah (disambiguation) Adha (disambiguation) Ada'a, a woreda in the Oromia Region of Ethiopia Ade (disambiguation) USS Little Ada (1864), a steamer captured by the Union Navy during the American Civil War
Aberdeen is a city in Scotland, United Kingdom.
Algae (; singular alga ) is an informal term for a large and diverse group of photosynthetic eukaryotic organisms.
Analysis of variance (ANOVA) is a collection of statistical models and their associated estimation procedures (such as the "variation" among and between groups) used to analyze the differences among means.
In organic chemistry, an alkane, or paraffin (a historical trivial name that also has other meanings), is an acyclic saturated hydrocarbon.
United States appellate procedure involves the rules and regulations for filing appeals in state courts and federal courts.
In law, an answer was originally a solemn assertion in opposition to someone or something, and thus generally any counter-statement or defense, a reply to a question or response, or objection, or a correct solution of a problem.
An appellate court, commonly called a court of appeal(s), appeal court, court of second instance or second instance court, is any court of law that is empowered to hear an appeal of a trial court or other lower tribunal.
Arraignment is a formal reading of a criminal charging document in the presence of the defendant, to inform them of the charges against them.
"America the Beautiful" is a patriotic American song.
Assistive technology (AT) is a term for assistive, adaptive, and rehabilitative devices for people with disabilities and the elderly.
The abacus (plural abaci or abacuses), also called a counting frame, is a calculating tool which has been used since ancient times.
An acid is a molecule or ion capable of either donating a proton (i.e., hydrogen ion, H+), known as a Brønsted–Lowry acid, or, capable of forming a covalent bond with an electron pair, known as a Lewis acid.
Asphalt, also known as bitumen (, ), is a sticky, black, highly viscous liquid or semi-solid form of petroleum.
The American National Standards Institute (ANSI ) is a private non-profit organization that oversees the development of voluntary consensus standards for products, services, processes, systems, and personnel in the United States.
In logic and philosophy, an argument is an attempt to persuade someone of something, or give evidence or reasons for accepting a particular conclusion.
Apollo 11 (July 16–24, 1969) was the American spaceflight that first landed humans on the Moon.
Apollo 8 (December 21–27, 1968) was the first crewed spacecraft to leave low Earth orbit, and also the first human spaceflight to reach another astronomical object, namely the Moon, which the crew orbited without landing, and then departed safely back to Earth.
An astronaut (from the Ancient Greek (), meaning 'star', and (), meaning 'sailor') is a person trained, equipped, and deployed by a human spaceflight program to serve as a commander or crew member aboard a spacecraft.
A Modest Proposal For preventing the Children of Poor People From being a Burthen to Their Parents or Country, and For making them Beneficial to the Publick, commonly referred to as A Modest Proposal, is a Juvenalian satirical essay written and published anonymously by Jonathan Swift in 1729.
The alkali metals consist of the chemical elements lithium (Li), sodium (Na), potassium (K), rubidium (Rb), caesium (Cs), and francium (Fr).
An alphabet is a standardized set of basic written symbols or graphemes (called letters) that represent the phonemes of certain spoken languages.
The atomic number or proton number (symbol Z) of a chemical element is the number of protons found in the nucleus of every atom of that element.
Anatomy (Greek anatomē, 'dissection') is the branch of biology concerned with the study of the structure of organisms and their parts.
Affirming the consequent, sometimes called converse error, fallacy of the converse, or confusion of necessity and sufficiency, is a formal fallacy of taking a true conditional statement (e.g., "If the lamp were broken, then the room would be dark"), and invalidly inferring its converse ("The room is dark, so the lamp is broken"), even though the converse may not be true.
Andrei Arsenyevich Tarkovsky (; 4 April 1932 – 29 December 1986) was a Russian film director, screenwriter, and film theorist.
Ambiguity is a type of meaning in which a phrase, statement or resolution is not explicitly defined, making several interpretations plausible.
Abel is a Biblical figure in the Book of Genesis within Abrahamic religions.
An animal is a multicellular, eukaryotic organism of the kingdom Animalia or Metazoa.
The aardvark ( ; Orycteropus afer) is a medium-sized, burrowing, nocturnal mammal native to Africa.
The aardwolf (Proteles cristata) is an insectivorous mammal in the family Hyaenidae, native to East and Southern Africa.
Adobe (; ) is a building material made from earth and organic materials, is Spanish for mudbrick.
An adventure is an exciting experience or undertaking that is typically bold, sometimes risky.
Asia () is Earth's largest and most populous continent, located primarily in the Eastern and Northern Hemispheres.
Aruba ( , , ) is a constituent country of the Kingdom of the Netherlands physically located in the mid-south of the Caribbean Sea, about north of the Venezuelan peninsula of Paraguaná and northwest of Curaçao.
The Articles of Confederation and Perpetual Union was an agreement among the 13 original states of the United States of America that served as its first frame of government.
Asia Minor is an alternative name for Anatolia, the westernmost protrusion of Asia, comprising the majority of the Republic of Turkey.
The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about .
Arthur Schopenhauer ( , ; 22 February 1788 – 21 September 1860) was a German philosopher.
Angola (; ), officially the Republic of Angola (), is a country on the west coast of Southern Africa.
This article is about the demographic features of the population of Angola, including population density, ethnicity, education level, health of the populace, economic status, religious affiliations and other aspects of the population.
The Angolan government is composed of three branches of government: executive, legislative and judicial.
The economy of Angola remains heavily influenced by the effects of four decades of conflict in the last part of the 20th century, the war for independence from Portugal (1961–75) and the subsequent civil war (1975–2002).
Transport in Angola comprises: Roads Railways There are three separate railway lines in Angola: Luanda Railway (CFL) (northern) Benguela Railway (CFB) (central) Moçâmedes Railway (CFM) (southern) Reconstruction of these three lines began in 2005 and they are now all operational.
The Angolan Armed Forces () or FAA is the military of Angola.
The foreign relations of Angola are based on Angola's strong support of U.S. foreign policy as the Angolan economy is dependent on U.S. foreign aid.
Albert Sidney Johnston (February 2, 1803 – April 6, 1862) served as a general in three different armies: the Texian Army, the United States Army, and the Confederate States Army.
An android is a humanoid robot or other artificial being often made from a flesh-like material.
Alberta ( ) is one of the thirteen provinces and territories of Canada.
A John Adair B. R. Ambedkar Giulio Angioni Jon Altman Arjun Appadurai Talal Asad Timothy Asch Scott Atran Marc Augé B Nigel Barley Fredrik Barth Vasily Bartold Keith H. Basso Daisy Bates Gregory Bateson Mary Catherine Bateson Ruth Behar Ruth Benedict Dorothy A. Bennett Carl H. Berendt Lee Berger Brent Berlin Catherine Helen Webb Berndt Catherine L. Besteman Theodore C. Bestor Lewis Binford Evelyn Blackwood Wilhelm Bleek Maurice Bloch Anton Blok Franz Boas Tom Boellstorff Paul Bohannan Dmitri Bondarenko Pere Bosch-Gimpera Pierre Bourdieu Philippe Bourgois Paul Broca Christian Bromberger Kari Bruwelheide C Julio Caro Baroja Edmund Carpenter Napoleon Chagnon Pierre Clastres Mabel Cook Cole Malcolm Carr Collier Harold C. Conklin Carleton S. Coon Frank Hamilton Cushing D Regna Darnell Raymond Dart Emma Lou Davis Wade Davis Ernesto de Martino Ella Cara Deloria Raymond J. DeMallie Philippe Descola Stanley Diamond Mary Douglas Cora Du Bois Eugene Dubois Ann Dunham Katherine Dunham Elizabeth Cullen Dunn Émile Durkheim E Mary Lindsay Elmendolf Verrier Elwin Matthew Engelke Friedrich Engels Arturo Escobar E. E. Evans-Pritchard F James Ferguson Raymond Firth Raymond D. Fogelson Meyer Fortes Gregory Forth Dian Fossey Kate Fox Robin Fox James Frazer Lina Fruzzetti G Clifford Geertz Alfred Gell Ernest Gellner Herb Di Gioia Max Gluckman Maurice Godelier Jane Goodall Marjorie Harness Goodwin Igor Gorevich Harold A. Gould David Graeber Hilma Granqvist J. Patrick Gray Marcel Griaule Jacob Grimm Wilhelm Grimm H Abdellah Hammoudi Michael Harkin Michael Harner John P. Harrington Marvin Harris K. David Harrison Kirsten Hastrup Jacquetta Hawkes Stephen C. Headley Thor Heyerdahl Te Rangi Hīroa (Sir Peter Buck) Arthur Maurice Hocart Ian Hodder E. Adamson Hoebel Earnest Hooton Robin W.G.
Actinopterygii (; ), members of which are known as ray-finned fishes, is a clade (traditionally class or subclass) of the bony fishes.
Albert Einstein ( ; ; 14 March 1879 – 18 April 1955) was a German-born theoretical physicist, widely acknowledged to be one of the greatest physicists of all time.
The Igreja Presbiteriana Conservadora do Brasil () (IPCB) is a Presbyterian Reformed denomination, founded in 1940, by the churches and members that separated from the Independent Presbyterian Church of Brazil (IPIB).
Afghanistan (), officially the Islamic Emirate of Afghanistan, is a landlocked country located at the crossroads of Central and South Asia.
Albania ( ; or ), officially the Republic of Albania (), is a country in Southeastern Europe.
Allah (; , ) is the common Arabic word for God.
Algorithms is a monthly peer-reviewed open-access scientific journal of mathematics, covering design, analysis, and experiments on algorithms.
Azerbaijan (, ; ), officially the Azerbaijan Republic or the Republic of Azerbaijan, is a transcontinental country located at the boundary of Eastern Europe and Western Asia.
Amateur astronomy is a hobby where participants enjoy observing or imaging celestial objects in the sky using the unaided eye, binoculars, or telescopes.
Aikido ( , , , ) is a modern Japanese martial art that is split into many different styles, including Iwama Ryu, Iwama Shin Shin Aiki Shuren Kai, Shodokan Aikido, Yoshinkan, Aikikai and Ki Aikido.