| Autism Autism is a brain development disorder characterized by impaired social interaction and communication, and by restricted and repetitive behavior. These signs all begin before a child is three years old. Autism
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| Afghanistan Afghanistan
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| Amsterdam Amsterdam
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| Aluminium Aluminium () or aluminum (, see spelling below) is a silvery white and ductile member of the boron group of chemical elements. It has the symbol Al; its atomic number is 13. It is not soluble in water under normal circumstances. most abundant metal in the Earth's crust, and the third most abundant element therein, after oxygen and silicon. Aluminium
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| August Derleth August William Derleth (February 24, 1909 H. P. Lovecraft, and for his own contributions to the Cthulhu Mythos genre of horror, Derleth was a prolific writer in several genres, including historical fiction, poetry, detective fiction, and biography. August_Derleth
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| Albertus Magnus Saint Albertus Magnus, O.P. (1193/1206 - November 15, 1280), also known as Saint Albert the Great and Albert of Cologne, was a Dominican friar and bishop who achieved fame for his comprehensive knowledge of and advocacy for the peaceful coexistence of science and religion. Albertus_Magnus
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| Apollo 13 Apollo 13 was the third manned mission by NASA intended to land on the moon, but a mid-mission technical malfunction forced the lunar landing to be aborted. The crewmembers were Commander James A. Lovell, Command Module pilot John L. "Jack" Swigert, and Lunar Module pilot Fred W. Apollo_13
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| Acetylene Acetylene (IUPAC namechemical compound with the formula HC2H. It is a hydrocarbon and the simplest alkyne. This colourless gas is widely used as a fuel and a chemical building block. It is unstable in pure form and thus is usually handled as a solution.As an alkyne, acetylene is unsaturated because its two carbon atoms are bonded together in a triple bond. The carbon-carbon triple bond places all four atoms in the same straight line, with CCH bond angles of 180°. Acetylene
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| Alternative medicine The term alternative medicine, as used in the modern Western world, encompasses any healing practice "that does not fall within the realm of conventional medicine". Commonly cited examples include naturopathy, chiropractic, herbalism, traditional Chinese medicine, Unani, Ayurveda, meditation, yoga, biofeedback, hypnosis, homeopathy, acupuncture, and diet-based therapies, in addition to a range of other practices. Alternative_medicine
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| Alfonso, Count of Poitou Alfonso or Alphonse (11 November 1220 21 August 1271) was the Count of Poitou from 1225 and Count of Toulouse (as Alfonso II) from 1247.Alphonse was a son of Louis VIII, King of France and Blanche of Castile. He was a younger brother of Louis IX of France and an older brother of Charles I of Sicily.The Treaty of Paris stipulated that a brother of King Louis was to marry Joan of Toulouse, daughter of Raymond VII of Toulouse, and so in 1237 Alphonse married her. Alfonso,_Count_of_Poitou
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| American English American English (variously abbreviated AmE, AE, AmEng, USEng, en-US), also known as United States English or U.S. English, is a set of dialects of the English language used mostly in the United States. Approximately two thirds of native speakers of English live in the United States. American_English
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| American and British English differences American English and British English, which, for the purposes of these articles, are defined as follows American English (AmE) is the form of English used in the United States. It includes all English dialects used within the United States of America. British English (BrE) is the form of English used in the United Kingdom. It includes all English dialects used within the United Kingdom. American_and_British_English_differences
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| Amdahl's law Amdahl's law, also known as Amdahl's argument,In the limit, as N tends to infinity, the maximum speedup tends to 1 / (1-P). In practice, performance/price falls rapidly as N is increased once there is even a small component of (1 . Amdahl's_law
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| Alkene In organic chemistry, an alkene, olefin, or olefine is an unsaturated chemical compound containing at least one carbon-to-carbon double bond. The simplest acyclic alkenes, with only one double bond and no other functional groups, form a homologous series of hydrocarbons with the general formula CnH2n. Alkene
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| Anthropic principle physics and cosmology, the anthropic principle is the collective name for several ways of asserting that physical and chemical theories, especially astrophysics and cosmology, need to take into account that there is life on Earth, and that one form of that life, Homo sapiens, has attained sapience. The only kind of universe humans can occupy is one that is similar to the current one. Anthropic_principle
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| Apollinarism Apollinarism or Apollinarianism was a view proposed by Apollinaris of Laodicea (died 390) that Jesus had a human body and lower soul (the seat of the emotions) but a divine mind. Apollinaris further taught that the souls of men were propagated by other souls, as well as their bodies. Apollinarism
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| Amphisbaena This article is about the mythological creature. See Amphisbaenia for information on the suborder and Amphisbaena (lizard) for the genus.Amphisbaena (, pluralAmphisbaina, Amphisbene, Amphisboena, Amphisbona, Amphista, Amphivena, or Anphivena (the last two being feminine), a Greek word, from amphis, meaning "both ways", and bainein, meaning "to go", also called the Mother of Ants, is a mythological, ant-eating serpent with a head at each end. Amphisbaena
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| Baltic Sea The Baltic Sea is a brackish inland sea located in Northern Europe, from 53°N to 66°N latitude and from 20°E to 26°E longitude. It is bounded by the Scandinavian Peninsula, the mainland of Europe, and the Danish islands. It drains into the Kattegat by way of the Øresund, the Great Belt and the Little Belt. Baltic_Sea
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| Brassicales The Brassicales are an order of flowering plants, belonging to the eurosids II group of dicotyledons under the APG II system. Brassicales sensu APG II includes families classified under Capparales in previous classifications. One character common to many members of the order is the production of glucosinolate (mustard oil) compounds. Brassicales
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| Bolivia Bolivia
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| Bertolt Brecht ''German poet, playwright, and theatre director. An influential theatre practitioner of the 20th century, Brecht made equally significant contributions to dramaturgy and theatrical production, the latter particularly through the seismic impact of the tours undertaken by the Berliner Ensemble—the post-war theatre company operated by Brecht and his wife and long-time collaborator, the actress Helene Weigel—with its internationally acclaimed productions. Bertolt_Brecht
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| Beowulf Beowulf is an Old English heroic epic poem of unknown authorship, dating as recorded in the Nowell Codex manuscript from between the 8th to the early 11th century, Beowulf
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| Bone Bones are rigid organs that form part of the endoskeleton of vertebrates. They function to move, support, and protect the various organs of the body, produce red and white blood cells and store minerals. Bone tissue is a type of dense connective tissue. Because bones come in a variety of shapes and have a complex internal and external structure they are lightweight, yet strong and hard, in addition to fulfilling their many other functions. Bone
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| Dots and Boxes Dots and Boxes (also known as Boxes, Squares, Paddocks, Square-it, Dots and Dashes, Dots, Smart Dots, or, simply, the Dot Game) is a pencil and paper game for two players (or sometimes, more than two).Starting with an empty grid of dots, players take turns, adding a single horizontal or vertical line between two unjoined adjacent dots. Dots_and_Boxes
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| Bioterrorism Bioterrorism is terrorism by intentional release or dissemination of biological agents (bacteria, viruses, or toxins); these may be in a naturally-occurring or in a human-modified form. Bioterrorism
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| Bastard Operator From Hell The Bastard Operator From Hell (BOFH), a fictional character created by Simon Travaglia, is a rogue system administrator who takes out his anger on users (often referred to as lusers), his colleagues, his bosses, and anyone who gets in his way.The BOFH stories were originally posted in 1992 to Usenet by Travaglia, with some being reprinted in Datamation. Bastard_Operator_From_Hell
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| Bestiary bestiary, or Bestiarum vocabulum is a compendium of beasts. Bestiaries were made popular in the Middle Ages in illustrated volumes that described various animals, birds and even rocks. The natural history and illustration of each beast was usually accompanied by a moral lesson. Bestiary
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| Bunsen burner A Bunsen burner is a common piece of laboratory equipment that produces a single open gas flame, which is used for heating, sterilization, and combustion. Bunsen_burner
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| Calculus Calculus (Latin, calculus, a small stone used for counting) is a discipline in mathematics focused on limits, functions, derivatives, integrals, and infinite series, and which constitutes a major part of modern university education. It has two major branches, differential calculus and integral calculus, which are related by the fundamental theorem of calculus. Calculus
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| Constellation astronomy, constellation refers to an area of the celestial sphere, defined by exact boundaries. Constellation
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| Carbon nanotube Carbon nanotubes (CNTs) are allotropes of carbon with a cylindrical nanostructure. Nanotubes have been constructed with length-to-diameter ratio of up to 28,000,000carbon molecules have novel properties that make them potent Carbon_nanotube
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| Cyprus Cyprus
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| Cannibalism Cannibalism (from Spanish Caníbalis, the Caribs) is the act or practice of humans eating the flesh of other humans. Cannibalism
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| Cadmium Cadmium () is a chemical element with the symbol Cd and atomic number 48. The soft, bluish-white transition metal is chemically similar to the two other metals in group 12 , zinc and mercury. Similar to zinc it prefers oxidation state +2 in most of its compounds and similar to mercury it shows a low melting point for a transition metal. Cadmium is a relatively abundant element. Cadmium was discovered in 1817 by Friedrich Strohmeyer as an impurity in zinc carbonate. Cadmium
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| Chalcogen Chalcogen
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| Continuous function In mathematics, a continuous function is a function for which, intuitively, small changes in the input result in small changes in the output. Otherwise, a function is said to be discontinuous. A continuous function with a continuous inverse function is called bicontinuous. An intuitive though imprecise (and inexact) idea of continuity is given by the common statement that a continuous function is a function whose graph can be drawn without lifting the chalk from the blackboard. Continuous_function
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| Centaurus Centaurus (, genitive Centauri ) is a bright constellation in the southern sky. One of the largest constellations in the sky, Centaurus was included among the 48 constellations listed by of 1st century astronomer Ptolemy, and it remains one of the 88 modern constellations. Centaurus
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| Computer architecture Computer architecture in computer engineering is the conceptual design and fundamental operational structure of a computer system. It is a blueprint and functional description of requirements and design implementations for the various parts of a computer, focusing largely on the way by which the central processing unit (CPU) performs internally and accesses addresses in memory.It may also be defined as the science and art of selecting and interconnecting hardware components to create computers that meet functional, performance and cost goals. Computer_architecture
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| Chrysler Building Chrysler_Building
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| Celts Talk:Celts
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| Cranberry Cranberry
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| Cranberry Talk:Cranberry
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| Chocolate Chocolate (pronounced or /-ˈələt/) comprises a number of raw and processed foods that are produced from the seed of the tropical cacao tree. Native to lowland, tropical South America, cacao has been cultivated for at least three millennia in Central America and Mexico, with its earliest documented use around 1100 BC. Chocolate
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| Foreign policy of the United States The foreign policy of the United States is the policy by which the United States interacts with foreign nations. United States foreign policy is highly influential on the world stage, as it is the only remaining superpower. The global reach of the United States is backed by a 13 trillion dollar economy, the largest in the world of all countries formally recognized by the United States for which data is available is here; the military expenditures for said countries is available here; and the political details are available on the main United States page here here. Foreign_policy_of_the_United_States
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| Common Chimpanzee The Common Chimpanzee (Pan troglodytes), also known as the Robust Chimpanzee, is a great ape. The name troglodytes, Greek for 'cave-dweller', was coined by Johann Friedrich Blumenbach in his Handbuch der Naturgeschichte (Handbook of Natural History) published in 1779. Colloquially, it is often called the chimpanzee (or simply 'chimp'), though technically this term refers to both species in the genus Pan:Bonobo, or Pygmy Chimpanzee. Common_Chimpanzee
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| Derivative In calculus, a branch of mathematics, the derivative is a measure of how a function changes as its input changes. Loosely speaking, a derivative can be thought of as how much a quantity is changing at a given point. For example, the derivative of the position (or distance) of a vehicle with respect to time is the instantaneous velocity (respectively, instantaneous speed) at which the vehicle is travelling. Conversely, the integral of the velocity over time is the vehicle's position. Derivative
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| Dimensional analysis Dimensional analysis is a conceptual tool often applied in physics, chemistry, and engineering to understand physical situations involving certain physical quantities. It is routinely used by mathematicians, statisticians, physical scientists and engineers to check the plausibility of derived equations and computations. Dimensional_analysis
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| Determinant algebra, a determinant is a function depending on n that associates a scalar, det(A), to an n×n square matrix A. The fundamental geometric meaning of a determinant is a scale factor for measure when A is regarded as a linear transformation. Determinants are important both in calculus, where they enter the substitution rule for several variables, and in multilinear algebra.For a fixed nonnegative integer n, there is a unique determinant function for the n×n matrices over any commutative ring R. Determinant
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| Diagnostic and Statistical Manual of Mental Disorders Talk:Diagnostic_and_Statistical_Manual_of_Mental_Disorders
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| The Book of Deuteronomy Deuteronomy (Greek:Deuteronomion, "second law") or Devarim (Hebrew:Hebrew Bible and of the Old Testament, and the fifth of five books of the Jewish Torah or Pentateuch. In form it is a set of three sermons delivered by Moses reviewing the previous forty years of wandering in the wilderness; its central element is a detailed law-code by which the Children of Israel are to live in the Promised Land. The_Book_of_Deuteronomy
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