any of about 100 species of small, slender freshwater fishes constituting the subfamily Etheostominae of the family Percidae (order Perciformes; sometimes given family standing as the Etheostomidae). All the darters ...
(from the article "Dartford") town and borough (district), administrative and historic county of Kent, England. It lies along the south bank of the River Thames, just east of and adjoining the metropolitan area of ...
town and borough (district), administrative and historic county of Kent, England. It lies along the south bank of the River Thames, just east of and adjoining the metropolitan area of ...
wild upland area in the west of the county of Devon, southwestern England. It extends for about 23 miles (37 km) north-south and 20 miles (32 km) east-west. The moorland ... [2 Related Articles]
breed of pony about 12 hands (48 inches, or 122 cm) tall, hardy, and semiwild in its native Dartmoor, Devon, Eng. It is one of nine horse breeds native to ...
(from the article "Principal national parks of the world") Within Devon's boundaries is a wide variety of scenery, including the Dartmoor National Park and, in the north, part of the Exmoor National Park. Dartmoor, with shallow marshy valleys, thin ...
(from the article "Dartmoor") ...ponies, sheep, and cattle; quarrying (granite and china clay) and tourism are other important activities. There are few settlements; the largest is Princetown, founded in 1806 to serve adjoining Dartmoor ...
town ("parish"), South Hams district, administrative and historic county of Devon, England. It lies along the English Channel and the west bank of the River Dart estuary. A yachting centre, ... [1 Related Articles]
town (township), Bristol county, southeastern Massachusetts, U.S. It lies along Buzzards Bay, adjacent to New Bedford. The site, part of a land purchase made by William Bradford and Captain Myles ... [1 Related Articles]
U.S. Supreme Court case in which the court held that the charter of Dartmouth College granted in 1769 by King George III of England was a contract and, as such, ... [3 Related Articles]
(from the article "Murray River") ...state governments and the commonwealth, was established to regulate utilization of the river's waters. The largest reservoirs are the Dartmouth on the Mitta Mitta River and the Hume on the ...
(from the article "reproductive system, human") ...pigmented, devoid of fatty tissue, and more or less folded and wrinkled. There are some scattered hairs and sebaceous glands on its surface. Below the skin is a layer of ...
indoor target game played by throwing feathered darts at a circular board with numbered spaces. The game became popular in English inns and taverns in the 19th century and increasingly ...
(from the article "Daru") ...Pacific Ocean. Daru Island is located in the Gulf of Papua near the mouth of the Oriomo River, southwest of the Fly River Delta. The island rises to 79 feet ...
port and small island, southwestern Papua New Guinea, southwestern Pacific Ocean. Daru Island is located in the Gulf of Papua near the mouth of the Oriomo River, southwest of the ...
(from the article "China") ...return to Chinese traditions in those domains ruled by former subjects of the Jin state. The most important office or function in Mongol administration was that of the
capital and chief port of Northern Territory, Australia. It is situated on a low peninsula northeast of the entrance to its harbour, Port Darwin, a deep inlet of Beagle Gulf ... [2 Related Articles]
(from the article "South America") ...rock found south of latitude 50° S along the axis of the cordillera have been interpreted as ocean floor of a back-arc marginal basin. Metamorphic rocks of Andean age are ...
submarine topographic rise underlying a vast area of the western and central Pacific, corresponding in location to a large topographic rise that existed during the Mesozoic Era (65,000,000 to 225,000,000 ...
(Rhinoderma darwinii), a small Argentinian and Chilean frog that is one of the few species in the family Rhinodermatidae. Charles Darwin discovered the frog on his world voyage. [1 Related Articles]
(from the article "rhea") ...to South America and are related to the ostrich and emu. The common rhea (Rhea americana; see photograph) is found in open country from northeastern Brazil southward to Argentina, while ...
(from the article "ear, human") ...An inner, concentric ridge, the antihelix, surrounds the concha and is separated from the helix by a furrow, the scapha, also called the fossa of the helix. In some ears ...
English naturalist whose theory of evolution by natural selection became the foundation of modern evolutionary studies. An affable country gentleman, Darwin at first shocked religious Victorian society by suggesting that ... [59 Related Articles]
British physician, poet, and botanist noted for his republican politics and materialistic theory of evolution. Although today he is best known as the grandfather of naturalist Charles Darwin and of ... [5 Related Articles]
(from the article "Chile") ...area that includes the subregion of Magallanes and sometimes Chilean Tierra del Fuego. There significant heights are still reached: Mount San Valentin is more than 12,000 feet high, and Mount ...
English astronomer who championed the theory that the Moon was once part of the Earth, until it was pulled free to form a satellite. [1 Related Articles]
(from the article "reproduction") ...In this way the more successful variants would make a greater contribution to subsequent generations in the number of offspring. For such selection to act continuously in successive generations, Darwin ...
(from the article "ocean") The oceanic atoll reefs of the Pacific Ocean rise from volcanic cones that have subsided, probably intermittently, in areas of oceanic deeps. According to the Darwinian subsidence theory, the annular ...
theory of the evolutionary mechanism propounded by Charles Darwin as an explanation of organic change. It denotes Darwin's specific view that evolution is driven mainly by natural selection. [10 Related Articles]
(from the article "Islamic arts") ...well known are singers; those particularly influential in the modern renaissance, in chronological order, include 'Abduh al-Hamuli, Dahud Hussni, Sayyid Darwish, 'Abd al-Wahhab, Umm Kulthum, Farid al-Atrash, Fayrouz, Rashid al-Hundarashi,...
largest and finest diamond in the crown jewels of Iran. A pale-pink, tablet-shaped stone weighing about 185 carats, it is from Golconda, Andhra Pradesh, India. Inscribed on a rear facet ...
(from the article "Hinduism") Another form of religious lyric are the so-called padas (verses). Govinda Das (1537-1612) is one of the greatest poets in this bhakti genre of ...
(from the article "South Asian arts") If Tagore was the last poet in the Bengali tradition, Jibanananda Das was the first of a new breed. Musing and melancholy, yet known for vivid and unusual imagery Jibananada ...
(from the article "sila") Buddhist morality is codified in the form of 10 precepts (dasa-sila), which require abstention from: (1) taking life; (2) taking what is not given; (3) committing sexual misconduct (interpreted as ...
(from the article "garaba") At the Dasahara festival (September) after the monsoon rains, girls carrying pitchers go from house to house and dance around the garabi, decorated pots containing offerings that are hung in ...
(from the article "Paryusana") ...sect from the 13th day of the dark half of the month Bhadrapada (August-September) to the 5th day of the bright half of the month. Among Digambaras, a corresponding festival ...
collection of writings attributed to Guru Gobind Singh, the tenth and last spiritual leader of the Sikhs, a religious group in India. Dasam Granth is a short title for Dasven ... [3 Related Articles]
(from the article "monasticism") ...and Ramanuja (11th century CE). These teachers interpreted Vedanta theology (a religio-philosophical system concerned with the nature of ultimate reality) in incompatible ways. Shankara's order of Dashanami Sannyasi has traditionally ...
(from the article "South Asian arts") Of the large number of painters who worked in the imperial atelier, the most outstanding were Dasvant and Basavan. The former played the leading part in the illustration of the ...
(from the article "Anatolia") ...such as Lycia and western Cilicia, but they are also recognizable in other southern provinces such as Pamphylia, Pisidia, and Lycaonia. The Persian influence was strong in the northeastern city ...
(from the article "Hucbald") ...description of music in several voices: parallel organum, in which a plainchant melody is sung in parallel fourths or parallel fifths. De alia musica deals with a notational system called ...
(from the article "Existentialism") ...and with other men, existence is always a being-in-the-world-i.e., in a concrete and historically determinate situation that limits or conditions choice. Man is therefore called Dasein ("there being") because he ...
(from the article "Indian philosophy") S.N. Dasgupta, a 20th-century Indian philosopher, has divided the history of Indian philosophy into three periods: the prelogical (up to the beginning of the Christian Era), the logical (from the ...
(from the article "punctuation") ...that clarification of syntax is the main object of punctuation. By the end of the 17th century the various marks had received their modern names, and the exclamation mark, quotation ...
American lawyer (b. Feb. 27, 1925, Camden, N.J.-d. May 29, 2004, Washington, D.C.), had a more than 50-year-long career, including about 40 years as a professor at Georgetown University Law ...
(from the article "Ethiopia") ...topographic component of Ethiopia. The most spectacular portion is the North Central massifs; these form the roof of Ethiopia, with elevations ranging from 15,157 feet (4,620 metres) for Mount Ras ...
(from the article "Shanghai") ...years. In 2000 the former Shanghai Revolutionary History Memorial Hall was combined with the former residence of revolutionary leader Chen Yun to create a new museum based on Chen's life. ...
(from the article "Skiing") ...Bilodeau a distant second. In aerials competition, Olympic women's champion Evelyne Leu of Switzerland finished first in the World Cup by just 17 points over Alla Tsuper of Belarussia. Belarusian ...
(from the article "Armenian massacres") ...territorial autonomy. As the movement grew, various political groups were organized, culminating in the formation of two revolutionary parties called Henchak ("The Bell") and Dashnaktsutyun ("Union") in 1887 and 1890, ...
Hindu Saiva ascetic who belongs to one of the 10 orders (dasnami, "ten names") established by the philosopher Sankara in the 8th century AD and still flourishing in India today. ... [2 Related Articles]
Norwegian poet who, in an age of pedantry and artifice, stands out among his contemporaries for the vivid freshness, everyday language, and common appeal of his works. He is the ...
(from the article "Dassault Industries") ...design, manufacturing, and product-management systems; and aviation simulators. Its primary subsidiary, founded by French aircraft designer Marcel Dassault at the end of World War II, is Dassault Aviation, which adopted ...
French company with major aerospace-related subsidiaries specializing in the production of military and civil aircraft; computer-based design, manufacturing, and product-management systems; and aviation simulators. Its primary subsidiary, founded by French ...
French aircraft designer and industrialist whose companies built the most successful military aircraft in Europe in the decades after World War II. [1 Related Articles]
a medium-sized rodent adapted to life among rocky outcrops in the desert hills and plateaus of southwestern Africa. The dassie rat weighs 170 to 300 grams (6 to 11 ounces) ...
American film director was a master of film noir and perhaps best remembered for his direction of Rififi (1955), which featured a remarkable 25-minute robbery sequence that contained no dialogue ...
(from the article "Khosrow II") ...to besiege Constantinople and another to oppose Heraclius. Constantinople held, and Shahin was defeated; the Persian second force was outmanoeuvred in 628 by Heraclius' brave dash to Dastagird, the royal ...
(from the article "India") ...since 1717 been exempt from such taxes, but the application of such concessions to individual employees-or to anyone, for that matter, who held an exemption pass (dastak)-was ...
any of the principal modes of the art music of Persian-speaking areas, used as the basis for composition and improvisation. A dastgah incorporates a scale, a motif, ... [2 Related Articles]
(from the article "Zoroastrianism") ...designates a priest of the lower degree, who in the more important ceremonies only acts as the assistant priest. Above him is the mobed. Ranked above all of these functionaries ...
a leading Indian Mughal artist, cited by Abu-ul-Fazl 'Allami, the historiographer of the emperor Akbar's court, as having surpassed all painters to become "the first master of the age." [1 Related Articles]
(from the article "stingray") ...have slim, often very long, whiplike tails. They vary in size: Dasyatis sabina, a small western North Atlantic species, is mature at a width of about 25 cm (10 inches), ...
(from the article "stingray") The dasyatid stingrays, also called whip-tailed rays and stingarees, inhabit all oceans and certain South American rivers. They have slim, often very long, whiplike tails. They vary in size: Dasyatis ...
(from the article "apterygote") ...the Baltic amber include one campodeid dipluran. The extinct order Monura includes two species, Dasyleptus lucasi of the Upper Carboniferous (approximately 280,000,000 years) of France and D. brongniarti of the ...
(from the article "apterygote") ...Middle Devonian (approximately 370,000,000 years) sandstone of Scotland. Other species known from the Baltic amber include one campodeid dipluran. The extinct order Monura includes two species, Dasyleptus lucasi of the ...
(from the article "Agavaceae") ...then dies, leaving small plants growing about its base. Many species of the genus Yucca are popular as ornamentals for their woody stems and spiny leaves. Some species ofNolina andDasylirion, ...
(from the article "Arecales") The Australian family Dasypogonaceae (also known as Calectasiacea), with four genera and 16 species, was traditionally allied with the family Liliaceae (lilies) but is now believed to be more closely ...
(from the article "agouti") ...agoutis have been introduced into the West Indies, presumably by native Caribbean tribes: D. mexicana in Cuba, D. punctata in Cuba and the Cayman Islands, and D. leporina in the ...
(from the article "agouti") ...environments south of the Amazon basin into Paraguay and northeastern Argentina. Three different agoutis have been introduced into the West Indies, presumably by native Caribbean tribes: D. mexicana in Cuba, ...
(from the article "agouti") ...basin into Paraguay and northeastern Argentina. Three different agoutis have been introduced into the West Indies, presumably by native Caribbean tribes: D. mexicana in Cuba, D. punctata in Cuba and ...
(from the article "paca") Pacas are the only members of the family Agoutidae. Their closest living relatives are agoutis and acouchys (family Dasyproctidae). Both families belong to the suborder Hystricognatha, which includes guinea pigs ...
(from the article "armadillo") 20 species in eight generaSix species, including the nine-banded armadillo, D. novemcinctus. One Peruvian species found in the Andes...
member of an aboriginal people in India encountered and embattled by the invading Aryans (c. 1500 BC). They were described by the Aryans as a dark-skinned, harsh-spoken people who worshiped ... [6 Related Articles]
any member of a family (Dasyuridae) of marsupial mammals that includes the native cats, marsupial mice and rats, and their allies. All of the approximately 50 species occur in New ... [1 Related Articles]
(from the article "marsupial") 1 bearlike arboreal species of eastern Australia. Related to family Vombatidae.60 or so species in 2 families, not including the recently extinct Tasmanian wolf, or thylacine, sole ...
(from the article "information processing") Digitally stored information is commonly referred to as data, and its analog counterpart is called source data. Vast quantities of nondocument analog data are collected, digitized, and compressed automatically by ...
(from the article "physical science, principles of") Technical design, whether of laboratory instruments or for industry and commerce, depends on knowledge of the properties of materials (density, strength, electrical conductivity, etc.), some of which can only be ...
(from the article "computer science") When so-called direct-access storage devices (DASDs; primarily magnetic disks) were developed, it became possible to access a random data block on the disk. (A data block is the unit of ...
(from the article "sociology") Research techniques vary depending on the social phenomena studied. Data-collection techniques differ from participant observation, content analysis, interviewing, and documentary analysis. In this approach each problem studied requires a specific ...
the process of reducing the amount of data needed for the storage or transmission of a given piece of information, typically by the use of encoding techniques. Compression predates digital ... [2 Related Articles]
(from the article "computer science") An important trend in programming languages is support for data encapsulation, or object-oriented code. Data encapsulation is best illustrated by the language Smalltalk, in which all programming is done in ...
the process of disguising information as "ciphertext," or data unintelligible to an unauthorized person. Conversely, decryption, or decipherment, is the process of converting ciphertext back into its original format. Manual ... [1 Related Articles]
(from the article "data encryption") Since the late 1970s, two types of encryption have emerged. Conventional symmetric encryption requires the same key for both encryption and decryption. A common symmetric encryption system is the Data ...
(from the article "virtual reality") The ability to manipulate virtual objects and not just see them is central to the presentation of compelling virtual worlds-hence the iconic significance of the data glove in the emergence ...
(from the article "computer science") Integrity is a major database issue. In general, integrity refers to maintaining the correctness and consistency of the data. Some integrity checking is made possible by specifying the data type ...
(from the article "database") Increasingly, formerly separate databases are being combined electronically into larger collections known as data warehouses. Businesses and government agencies then employ "data mining" software to analyze multiple aspects of the ...
(from the article "computer programming language") Whereas control structures organize algorithms, data structures organize information. In particular, data structures specify types of data, and thus which operations can be performed on them, while eliminating the need ...
(from the article "modem") ...into analog signals suitable for transmission over analog telecommunications circuits. A modem also receives modulated signals and demodulates them, recovering the digital signal for use by the data equipment. Modems ...
(from the article "database") Increasingly, formerly separate databases are being combined electronically into larger collections known as data warehouses. Businesses and government agencies then employ "data mining" software to analyze multiple aspects of the ...