(from the article "Life Sciences") ...China, showed that the bird had advanced features previously found only in Late Cretaceous and Cenozoic ornithuran birds. Phylogenetically this placed Gansus as the oldest-known member of the Ornithurae-the lineage ...
(from the article "Hollywood Ten") ...contempt of Congress, were mostly blacklisted by the Hollywood studios. The 10 were Alvah Bessie, Herbert Biberman, Lester Cole, Edward Dmytryk, Ring Lardner, Jr., John Howard Lawson, Albert Maltz, Samuel ...
(from the article "probability theory") ...mathematical analysis shows that the stochastic differential equation (18) and its solution equation (19) have a precise mathematical interpretation. The process V(t) is called the Ornstein-Uhlenbeck process, after the physicists ...
(from the article "hide-and-seek") There are many variants on the game. For instance, the Igbo children in Nigeria play oro, a combination of hide-and-seek and tag in which the seeker stands ...
(from the article "sinus") ...of the upper-jaw teeth may project through the floor into the sinus cavity or may be so closely related to the floor that extraction leads to the formation of an ...
(from the article "Iran, ancient") ...formed a "Province of Asia" in Asia Minor, became inevitable and took place in 92 BC on the Euphrates River between the Roman general Lucius Cornelius Sulla and the Parthian ...
(from the article "Gotarzes I") ...as an independent monarch in Babylonia, and after Mithradates' death Gotarzes remained, with his queen, Asibatum, as sole ruler of the Parthian Empire. Not long afterward, however, Mithradates' son Orodes ...
king of Parthia (reigned c. 55/54-37/36 BC) who helped his brother Mithradates III murder their father, Phraates III, in about 57 BC and in turn supplanted Mithradates. [4 Related Articles]
(from the article "Iran, ancient") ...influences that had penetrated life in Parthian society. These influences came from Rome and were often introduced by princes of the Arsacid house returning from stays abroad. The short reign ...
(from the article "Polycrates") ...main political opponents with the squadron; they deserted, however, and, supported by Spartans, attempted unsuccessfully to dislodge the tyrant. He maintained his ascendance until about 522, when Oroetes, Persian governor ...
(from the article "Devonian Period") In many areas Devonian rocks have been heavily deformed and folded by subsequent tectonic activity. These fold belts may be distinguished from cratonic areas where sediments remain much as they ...
mountain-building event, generally one that occurs in geosynclinal areas. In contrast to epeirogeny, an orogeny tends to occur during a relatively short time in linear belts and results in intensive ... [12 Related Articles]
(from the article "climate") ...layer clouds formed by the widespread regular ascent of air, (2) layer clouds formed by widespread irregular stirring or turbulence, (3) cumuliform clouds formed by penetrative convection, and (4) orographic ...
(from the article "airplane") ...launch altitude, although some employ small, retractable auxiliary engines. They are able to use thermals (currents more buoyant than the surrounding air, usually caused by higher temperature) and orographic lift ...
rain, snow, or other precipitation produced when moist air is lifted as it moves over a mountain range. As the air rises and cools, orographic clouds form and serve as ...
(from the article "dawn horse") ...The incisors of Hyracotherium were small, and the cheek teeth had low crowns, which indicated the animal was a browser that fed on leaves rather than grass. The dawn horse ...
(from the article "Amur River") The Amur River basin originally was populated by hunting and cattle-breeding nomadic people. North of the river these peoples included the Buryat, Sakha (Yakut), Nanai, Nivkh (Gilyak), Udegey, and Orok, ...
one of the two largest ethnolinguistic groups of Ethiopia, constituting nearly one-third of the population and speaking a language of the Cushitic branch of the Afro-Asiatic (formerly Hamito-Semitic) family. Originally ... [9 Related Articles]
(from the article "Ethiopia") The most important Cushitic languages are Oromo, Somali, and Afar. Oromo, together with Amharic, is one of the two most-spoken languages in Ethiopia; it is native to the western, southwestern, ...
town, Akwa Ibom state, southeastern Nigeria. It lies at the mouth of the Cross River and is the terminus of roads from Uyo and Opobo. Oron is a coastal trade ... [1 Related Articles]
(from the article "Phoenix Islands") ...atolls, part of Kiribati, in the west-central Pacific Ocean, 1,650 miles (2,650 km) southwest of Hawaii. The group comprises Rawaki (Phoenix), Manra (Sydney), McKean, Nikumaroro (Gardner), Birnie, Orona (Hull), Kanton ...
(from the article "Easter Island") ...have no counterpart elsewhere. Also peculiar to the middle period was a bird cult with attendant birdman rites that survived into the third, or late, period. Its ceremonial centre was ...
town, Penobscot county, east-central Maine, U.S. It lies along the Penobscot River 8 miles (13 km) northeast of Bangor. Settled about 1775, it was known as Deadwater and Stillwater Plantation ...
(from the article "Orono") ...It lies along the Penobscot River 8 miles (13 km) northeast of Bangor. Settled about 1775, it was known as Deadwater and Stillwater Plantation before acquiring in 1840 its present ...
river in southwestern Asia, draining a large part of the northern Levant into the Mediterranean Sea. From its source in Al-Biqa' (Bekaa) Valley of central Lebanon, the river flows northward ... [2 Related Articles]
(from the article "name") ...places (e.g., fields, small parts of forests) are called microtoponymy; names of streets, roads, and the like are called hodonymy; names of bodies of water, hydronymy; names of mountains, oronymy. ...
any of several bird species of the blackbird family (Icteridae) that are common to the canopy of New World tropical forests and known (along with the caciques) for their hanging ...
(from the article "Spain") ...wives of the incapable Charles II. The majority of these aristocrats were self-seeking and incompetent. Some, however-notably Manuel Joaquin Alvarez de Toledo y Portugal, the conde de Oropesa-had considerable ability. ...
(from the article "oral cancer") ...characterized by the growth of cancerous cells in the mouth, including the lips. Oral cancer is often associated with cancers of the cavity located behind the tonsils and the back ...
city, northwestern Mindanao, Philippines. The city fronts on Iligan Bay (east) and the Bohol (Mindanao) Sea (northeast). It was a municipality until designated a city in 1969. Oroquieta is an ...
(from the article "dam") ...is overtopped. Disaster is likely in the case of an embankment dam not designed to permit uncontrolled flow of water on its downstream slope. In March 1960 the partially completed ...
(from the article "metabolism") is then oxidized to orotate in a reaction catalyzed by dihydroorotic acid dehydrogenase, in which NAD+ is reduced [72].
city, seat (1856) of Butte county, north-central California, U.S. It lies along the Feather River, in the Sacramento Valley, at the foot of the Sierra Nevada, about 75 miles (120 ...
earth-fill dam on the Feather River, California, U.S. Completed by the state of California in 1968, it is the highest dam in the United States and one of the highest ... [1 Related Articles]
(from the article "solids, mechanics of") ...filling in with material as necessary. The initial status of this work was simply regarded as an interesting way of generating elastic fields, but, in the early 1930s, Geoffrey Ingram ...
(from the article "bartonellosis") ...infection limited to South America, caused by the bacterium Bartonella bacilliformis of the order Rickettsiales. Bartonellosis is characterized by two distinctive clinical stages: Oroya fever, an acute febrile anemia of ...
Argentine poet whose works, published in 18 volumes, were influenced by her life in the Pampas and reflected the sense of mystery she felt from that place's flatness (b. March ...
(from the article "Madero, Francisco") In Chihuahua his supporters Pascual Orozco and Pancho Villa kept the rebellion alive, and by February 1911 Madero was in Chihuahua with a following and an army. The Diaz government, ...
(from the article "Hebrew literature") Personal frustration and religious vision are the subjects of the novelist Pinhas Sadeh. Yitzhak Orpaz's novels tend toward psychological exploration, particularly in the series beginning with Bayit le-adam ehad (1975; ...
(from the article "Christianity") The Christian congregation has traditionally cared for the poor, the sick, widows, and orphans. The Letter of James says: "Religion that is pure and undefiled before God is this: to ...
(from the article "therapeutics") ...United States) that it is not worthwhile for companies to go through the lengthy and expensive process required for approval and marketing. Drugs produced for such cases are made available ...
(from the article "Christianity") The church had founded orphanages during the 4th century, and the monasteries took over this task during the Middle Ages. They also fought against the practice of abandoning unwanted children ...
(from the article "bioluminescence") Luminosity among land animals is not associated with any particular habitat, but almost all these forms are nocturnal. The centipede Orphaneus, widely distributed in tropical Asia, gives off luminous secretions ...
(from the article "Czechoslovak region, history of") ...left the radical stronghold to organize a military brotherhood in northeastern Bohemia (1422); its members became so devoted to Zizka that after his death (1424) they called themselves Orphans.
(from the article "tap dance") Nightclubs and other live shows (vaudeville, Broadway) were segregated in the early years. The white circuit included such prestigious routes as the Orpheum Circuit and such acts as that of ...
ancient Greek legendary hero endowed with superhuman musical skills. He became the patron of a religious movement based on sacred writings said to be his own. [5 Related Articles]
a Hellenistic mystery religion, thought to have been based on the teachings and songs of the legendary Greek musician Orpheus. No coherent description of such a religion can be constructed ... [11 Related Articles]
in the visual arts, an artistic trend derived from Cubist painting that gave priority to colour. The movement was named in 1912 by the French poet Guillaume Apollinaire. [7 Related Articles]
highly elaborate embroidery work, or a piece of such embroidery. More specifically orphrey is an ornamental border, or embroidered band, especially as used on ecclesiastical vestments. Orphreys often utilized cloth ... [3 Related Articles]
the transparent yellow mineral arsenic sulfide (As2S3), formed as a hot-springs deposit, an alteration product (especially from realgar), or as a low-temperature product in hydrothermal veins. It is found in ... [1 Related Articles]
(from the article "Performing Arts") ...+ 2 included Alexandre Kassin, Domenico Lancellotti, and Moreno Veloso, the son of Brazilian star Caetano Veloso. Their albums mixed indie rock, electronica, and samba, but the trio also started ...
fine 20th-century glass produced by a glasshouse at Orrefors in the south of Sweden. In 1916 and 1917 the Orrefors glasshouse hired the painters Simon Gate and Edvard Hald, respectively, ... [1 Related Articles]
mechanical model of the solar system used to demonstrate the motions of the planets about the Sun, probably invented by George Graham (d. 1751) under the patronage of Charles Boyle, ... [2 Related Articles]
yellowish, semisolid, fragrant essential oil obtained from the roots of the Florentine iris (Iris florentina) and used as a flavouring agent, in perfume, and medicinally. The use of orris oil ...
(from the article "Iridaceae") Members of Iris also yield orrisroot (a substance used in the manufacture of perfumes, soaps, powders, and dentrifices). The feathery stigmas of Crocus sativa yield saffron, which is used as ...
(from the article "human evolution") ...lived in northern and southern Greece about 9 mya, at roughly the same time as Samburupithecus in northern Kenya. Sahelanthropus inhabited Chad between 7 and 6 million years ago. Orrorin ...
(from the article "Australopithecus") ...it is apelike. Whether it walked upright is not known because only a single skull, jaw fragments, and teeth have been found. Bipedalism may have been established in the six-million-year-old ...
French economist whose broad financial and governmental reforms in early 18th-century Spain helped to further the implementation of centralized and uniform administration in that country. [1 Related Articles]
Catalan essayist, philosopher, and art critic who was a leading ideologue of the Catalan cultural renaissance of the early 20th century. [1 Related Articles]
museum of Paris, France. It is housed in the former Orsay Railway Station (Gare d'Orsay), a large, ornate structure built in the Beaux Arts style and completed in 1900; it ... [4 Related Articles]
(from the article "Blessington, Marguerite Gardiner, Countess of") In 1822 the Blessingtons went abroad, accompanied by the young Count d'Orsay, who married the earl's daughter by his first wife. They spent two months in Genoa with Byron and ...
(from the article "Olympic Games") ...skating Katarina Witt (East Germany) retained her title in the women's event. The men's figure skating competition was dubbed the "Battle of the Brians" as Brian Boitano (U.S.) and Brian ...
city, Vitebsk oblast (province), east-central Belarus. It lies about 60 miles (100 km) southwest of Smolensk on the Dnieper River. First mentioned in 1067, it has always been a major ...
(from the article "garden and landscape design") ...for state functions-they are not dramatic in themselves. Unless used ceremonially, they are lifeless and arid. The ruined garden associated with, though detached from, the Orsini Castle at Bomarzo is ...
one of the oldest, most illustrious, and for centuries most powerful of the Roman princely families. Their origins, when stripped of legend, can be traced back to a certain Ursus ... [3 Related Articles]
Though she carefully guarded her private life from the public, Marina Orsini was distressed to find that in 1993 she was instantly recognizable on the streets of Montreal as Emilie ...
(from the article "Taviani brothers") Both Taviani brothers graduated from the University of Pisa. They gained experience for their filmmaking work by writing and staging plays with Valentino Orsini. Inspired by Roberto Rossellini's Neorealist film ...
(from the article "Twelfth Night") Twins Sebastian and Viola are separated during a shipwreck off the coast of Illyria; each believes the other dead. Viola disguises herself as a boy named Cesario and enters the ...
city, Orenburg oblast (province), western Russia. It lies about 150 miles (240 km) south of Magnitogorsk at the confluence of the Ural and Or rivers. It was founded in 1735 ... [1 Related Articles]
(from the article "Venice") The first elected doge, or duke, was Orso, chosen in an anti-Byzantine military declaration in 727, but he was succeeded by Byzantine officials until about 751, when the exarchate of ...
(from the article "Literature") Existential questioning characterized Norwegian literature in 2004. Hanne Orstavik was awarded the Brage Prize for Presten, which followed a chaplain pondering how to comprehend the truth and communicate it to ...
Danish physicist and chemist who discovered that electric current in a wire can deflect a magnetized compass needle, a phenomenon the importance of which was rapidly recognized and which inspired ... [10 Related Articles]
(from the article "Poland") ...to take into consideration an alliance between the Habsburgs, Moscow, and the Teutonic Order that was directed against Poland. Muscovite expansion threatened Lithuania, and only a major victory at Orsza ...
lake in Novara and Verbano-Cusio-Ossola provincie, Piemonte (Piedmont) regione, northwestern Italy, just west of Lake Maggiore, from which it is divided by Mount Mottarone. About 8 miles (13 km) long ...
(from the article "Islamic arts") The ortaoyunu (middle show) was the first type of genuine theatre the Turks, and possibly other Muslim peoples, ever had. The Ottoman sultans provided subsidies for ortaoyunu companies of actors, ...
Nicaraguan guerrilla leader, member of the Sandinista junta that took power in 1979, and the elected president of Nicaragua from November 1984 to April 1990 and again from January 2007. [8 Related Articles]
Flemish cartographer and dealer in maps, books, and antiquities, who published the first modern atlas, Theatrum orbis terrarum (1570; Epitome of the Theater of the Worlde). [3 Related Articles]
Italian writer of magic-realist fiction who was considered one of the 20th century's most important female Italian authors; Il cardillo addolorato (1993; The Lament of the Linnet, 1997) spent several ... [2 Related Articles]
(from the article "ancient Greek civilization") At Sicyon the Orthagorid tyranny, whose most splendid member was the early 6th-century Cleisthenes, may have exploited the anti-Dorianism already noted as a permanent constituent of the mentality of some ...
(from the article "television") ...States by Vladimir K. Zworykin (the Iconoscope) in 1924 and by Philo T. Farnsworth (the Image Dissector) in 1927. These early inventions were soon succeeded by a series of improved ...
(from the article "lamp shells") ...closed by a plate, the pseudodeltidium; dorsal valve with interarea; muscle area narrow and elongated in both valves; 3 genera; Early to mid-Cambrian.Usually biconvex, wide-hinged, with interareas in both ...
(from the article "carborane") ...of the field. Although their systematic International Union of Pure and Applied Chemistry (IUPAC) name is closo-dicarbadodecaborane(12), the three isomers are often simply called ortho-, meta-, and para-carborane.
(from the article "cresol") any of the three methylphenols with the same molecular formula but having different structures: ortho- (o-) cresol, meta- (m-) cresol, and
(from the article "hydrogen") Two types of molecular hydrogen (ortho and para) are known. These differ in the magnetic interactions of the protons due to the spinning motions of the protons. In ortho-hydrogen, the ...
(from the article "chemical industry") ...ortho-, meta-, and para-) preceding the name xylene are used to identify the three different isomers that vary in the ways the two methyl groups displace the hydrogen atoms of ...
(from the article "sedimentary rock") Clast-supported conglomerates (and orthobreccias) are deposited by highly turbulent water. For example, beach deposits commonly contain lenses and bands of oligomictic orthoconglomerate, composed mainly (95 percent or more) of stable, ...
(from the article "cephalopod") ...shell. With elongation of the shell and the formation of septa or partitions, the nautiloid shell could be formed (Late Cambrian, 523 to 505 million years ago). The primitive elongate ...
(from the article "sedimentary rock") ...different, they generate markedly distinct products and two fundamentally different kinds of sediment and sedimentary rock: (1) terrigenous clastic sedimentary rocks and (2) allochemical and orthochemical sedimentary rocks.
(from the article "motion-picture technology") ...was sensitized to green light by special dyes. A partially silvered mirror (initially flecked with gold) directed the remainder of the light through a magenta (red plus blue) filter to ...
common alkali feldspar mineral, a potassium aluminosilicate (KAlSi3O8); it usually occurs as variously coloured, frequently twinned crystals in granite. Orthoclase is used in the manufacture of glass and ceramics; occasionally, ... [4 Related Articles]
(from the article "sedimentary rock") ...of preexisting rocks outside the depositional basin, are most important from the points of view of both volume and geologic significance. They can be subdivided into two specific categories: (1) ...