photoreception: Image formation: …aquatic insects and crustaceans the corneal surface cannot act as a lens because it has no refractive power. Some water bugs (e.g., Notonecta, or back swimmers) use curved surfaces behind and within the lens to achieve the required ray bending, whereas others use a structure known as a lens cylinder.…

transplant: Cornea: There are certain forms of blindness in which the eye is entirely normal apart from opacity of the front window, or cornea. The opacity may be the result of disease or injury, but, if the clouded cornea is removed and replaced by a corneal…

corned beef, food made of beef brisket cured in salt. Related to the word kernel, a corn is a coarse grain of rock salt. In North America, corned beef is brisket, taken from the lower chest of a cow or steer, that has been brined in salt and spices. (In general British usage, fresh corned beef is

military technology: Corned powder: Shortly after 1400, smiths learned to combine the ingredients of gunpowder in water and grind them together as a slurry. This was a significant improvement in several respects. Wet incorporation was more complete and uniform than dry mixing, the process “froze” the components…

Pierre Corneille was a French poet and dramatist, considered the creator of French classical tragedy. His chief works include Le Cid (1637), Horace (1640), Cinna (1641), and Polyeucte (1643). Pierre Corneille was born into a well-to-do, middle-class Norman family. His grandfather, father, and an

Thomas Corneille was a French dramatist, younger brother of the great French Classical playwright Pierre Corneille. He was a highly successful dramatic poet in his own right, whose works helped to confirm the character of the French Classical theatre. Between 1656 and 1678 Corneille put on no fewer

Julius Caesar: Family background and career: …the radical side by marrying Cornelia, a daughter of Lucius Cornelius Cinna, a noble who was Marius’s associate in revolution. In 83 bce Lucius Cornelius Sulla returned to Italy from the East and led the successful counter-revolution of 83–82 bce; Sulla then ordered Caesar to divorce Cornelia. Caesar refused and…

Cornelia was the highly cultured mother of the late 2nd-century bc Roman reformers Tiberius and Gaius Sempronius Gracchus. She was the second daughter of Publius Cornelius Scipio Africanus Major, the hero of the Second Punic War (Rome against Carthage, 218–201). Cornelia married Tiberius Sempronius

Sulla: Life: …trials; a new treason law, Lex Cornelia Majestatis, designed to prevent insurrection by provincial governors and army commanders; the requirement that the tribunes had to submit their legislative proposals to the Senate for approval; and various laws protecting citizens against excesses of judicial and executive organs.

epigraphy: Ancient Rome: …century bce; parts of the Lex Cornelia de Viginti Quaestoribus (81 bce) are preserved on a large bronze tablet found at Rome; Julius Caesar’s Lex Julia Municipalis of 45 bce was found near Heraclea in Lucania. On the whole, however, the transmission of Roman law, from the earliest fragments to…

carnelian, a translucent, semiprecious variety of the silica mineral chalcedony that owes its red to reddish brown colour to colloidally dispersed hematite (iron oxide). It is a close relative of sard, differing only in the shade of red. Carnelian was highly valued and used in rings and signets by

Cornales: Cornaceae: mas (cornelian cherry) produces edible fruit, and C. macrophylla yields wood useful for furniture. Flowering dogwoods have small flowers surrounded by conspicuously expanded coloured bracts (specialized leaves) that are frequently mistaken for petals.

Joos van Cleve: …distinguish him from his son, Cornelis van Cleve (1520–67), none of whose paintings survive.

Carel van Mander: …where, with Hendrik Goltzius and Cornelis Cornelisz., he founded a successful academy of painting. Het Schilder-boeck contains about 175 biographies of Dutch, Flemish, and German painters of the 15th and 16th centuries and is a unique source of information on the northern European artists of those times.

Don Cornelius was an American television host and producer best known for creating, producing, and hosting the music and dance television show Soul Train (1970–2006). The program featured up-and-coming musicians, many of whom gained their first national exposure on the show, and youthful African

Don Cornelius was an American television host and producer best known for creating, producing, and hosting the music and dance television show Soul Train (1970–2006). The program featured up-and-coming musicians, many of whom gained their first national exposure on the show, and youthful African

Peter Cornelius was a German composer and author, known for his comic opera Der Barbier von Bagdad (The Barber of Bagdad). The son of an actor and an actress, he acted at Mainz and at Wiesbaden in his youth. In 1845 he studied composition and was later music critic for two Berlin journals. From

Peter von Cornelius was a painter notable for his part in the German revival of fresco painting in the 19th century. His early works are unremarkable examples of Neoclassicism. But his style gradually changed under the influence of German Gothic art, German Romantic writers, and Albrecht Dürer’s

St. Cornelius ; feast day September 16) was the pope from 251 to 253. Cornelius was a Roman priest who was elected pope during the lull in the persecution of Christians under Emperor Decius and after the papacy had been vacant for more than a year following St. Fabian’s martyrdom. Cornelius’s

Cornell University, coeducational institution of higher education in Ithaca, New York, U.S. It is one of the eight Ivy League schools, widely regarded for their high academic standards, selectivity in admissions, and social prestige. Cornell is situated on a 745-acre (301-hectare) campus occupying

Eric A. Cornell is an American physicist who, with Carl E. Wieman and Wolfgang Ketterle, won the Nobel Prize for Physics in 2001 for creating a new ultracold state of matter, the so-called Bose-Einstein condensate (BEC). After studying at Stanford University (B.S., 1985), Cornell earned a Ph.D.

Ezra Cornell was a businessman, a founder of the Western Union Telegraph Company, and a guiding force in the establishment of Cornell University. Settling at Ithaca (1828), he became associated with Samuel F.B. Morse (1842) and superintended the construction of the first telegraph line in America,

Jill Tarter is an American astronomer known for her work in the search for extraterrestrial intelligence (SETI). Tarter traces her own fascination with outer space and the possibility of alien life back to time she spent with her father walking on the beaches of Florida and looking at the stars.

Joseph Cornell was an American self-taught artist and filmmaker and one of the originators of the form of sculpture called assemblage, in which unlikely objects are joined in an unorthodox unity. He is known for his shadow boxes, collages, and films. Cornell attended secondary school at Phillips

Katharine Cornell was one of the most celebrated American stage actresses from the 1920s to the 1950s. Cornell was the daughter of American parents who were in Berlin at the time of her birth. Later that year the family returned to Buffalo, New York. Her interest in the theatre came naturally—her

Cornellà, city, Barcelona provincia (province), in the comunidad autónoma (autonomous community) of Catalonia, northeastern Spain. It is located on the Llobregat River plain. Dyes, pharmaceuticals, auto accessories, aluminum, and cotton goods are produced there. Cornellà is a southwestern

Cornellà, city, Barcelona provincia (province), in the comunidad autónoma (autonomous community) of Catalonia, northeastern Spain. It is located on the Llobregat River plain. Dyes, pharmaceuticals, auto accessories, aluminum, and cotton goods are produced there. Cornellà is a southwestern

Cornellà, city, Barcelona provincia (province), in the comunidad autónoma (autonomous community) of Catalonia, northeastern Spain. It is located on the Llobregat River plain. Dyes, pharmaceuticals, auto accessories, aluminum, and cotton goods are produced there. Cornellà is a southwestern

Tiberius Sempronius Gracchus: …leading families—most notably with the Cornelii Scipiones, the most continuously successful of the great Roman houses—through his mother, Cornelia, daughter of the conqueror of Hannibal, and through his sister Sempronia, wife of Scipio Africanus, the destroyer of Carthage. He was equally associated with the great rivals of the Scipios, the…

bagpipe: The cornemuse of central France is distinguished by a tenor drone held in the chanter stock beside the chanter. Often bellows-blown and without bass drone, it is characteristically played with the hurdy-gurdy. The Italian zampogna is unique, with two chanters—one for each hand—arranged for playing in…

scale: Horny scutes, or corneoscutes, derived from the upper, or epidermal, skin layer, appear in reptiles and on the legs of birds. In crocodilians and some lizards, bony dermal scales (osteoderms) underlie the external scales. Bird feathers are developmentally modified epidermal scales. Modified epidermal tissue, mostly…

stringed instrument: Morphology: …together and glued firmly to corner blocks within the instrument. Other blocks, called end blocks, are mounted top and bottom center to provide firm bearings for the neck and the tailpin, which between them have to resist the tension of the strings. The ribs are slightly inset from the outline…

Corner Brook, city on the west coast of Newfoundland, Newfoundland and Labrador, Canada. It lies at the mouth of the Humber River (there called Humber Arm in the Bay of Islands), 427 miles (687 km) northwest of St. John’s. The site of the province’s first industrial sawmill (1894), it developed

corner furniture, movable articles, principally cupboards, cabinets, shelves, and chairs, designed to fit into the corner of a room, for the principal purpose of saving space. This style of furniture was popular in the 18th and 19th centuries. Because room corners generally form right angles,

tornado: Airflow regions: …directions into a tornado’s “corner region.” This region gets its name because the wind abruptly “turns the corner” from primarily horizontal to vertical flow as it enters the core region and begins its upward spiral. The corner region is very violent. It is often marked by a dust whirl…

trap: The corner trap, for example, is a small, square opening, usually located at the side of the stage, fitted with a trapdoor or flaps that can be lowered out of sight. Through it, standing figures or objects can be lifted onto the stage. When a sudden,…

George Washington Corner was an American anatomist and embryologist, best known for his contributions to reproductive science and to the development of oral contraceptives. Corner received an M.D. degree from Johns Hopkins University in 1913 and taught there and at the University of California

Venice: Palaces: …the Palazzo Corner, also called Ca’ Grande (c. 1533–c. 1545, designed by Jacopo Sansovino), and the Palazzo Grimani (c. 1556, by Michele Sanmicheli, completed 1575). Buildings such as these introduced a measured proportion, tight symmetry, and Classical vocabulary to the facade. Mannerist and Baroque palaces built in the 17th century

Ed Bullins: …plays in the cycle are The Corner (produced 1968), In New England Winter (produced 1969), The Duplex (produced 1970), The Fabulous Miss Marie (produced 1971), Home Boy (produced 1976), and Daddy (produced 1977). In 1975 he received critical acclaim for The Taking of Miss

David Simon: The Corner was adapted into a television miniseries on the cable channel Home Box Office (HBO) in 2000, with Simon serving as a writer and an executive producer. It was a critical success, and Simon won two Emmy Awards for his dual role in its…

American football: Tactical developments: …(6 linemen, 2 linebackers, 2 cornerbacks, and 1 safety). In the NFL, to stop the increased passing that came with the T formation in the 1940s, the Philadelphia Eagles’ Greasy Neale developed the 5-3-2-1 defense, which was in turn replaced in the mid-1950s by the 4-3 (actually 4-3-2-2) perfected by…

film noir: The cinema of the disenchanted: …film noir, such as Dmytryk’s Cornered (1945), George Marshall’s The Blue Dahlia (1946), Robert Montgomery’s Ride the Pink Horse (1947), and John Cromwell’s Dead Reckoning (1947), share the common story line of a war veteran who returns home to find that the way of life for

Walnut Creek, city, Contra Costa county, northwestern California, U.S. It lies in the San Ramon Valley, east of both San Francisco and Oakland. Spanish explorers arrived in the region in the 1770s, and in the early 1800s the area became part of a Mexican land grant. The city, settled in 1849 during

cornerstone, ceremonial building block, usually placed ritually in the outer wall of a building to commemorate its dedication. Sometimes the stone is solid, with date or other inscription. More typically, it is hollowed out to contain metal receptacles for newspapers, photographs, currency, books,

cornet, valved brass musical instrument that evolved in the 1820s from the continental post horn (cornet-de-poste, which is circular in shape like a small French horn). One of the first makers was the Parisian Jean Asté, known as Halary, in 1828. The tube is conical except through the three valves,

Max Jacob: …in his voluminous production are Le Cornet à dés (1917; “Dice Box”), a collection of prose poems in the Surrealist manner; Le Laboratoire central (1921), “stoppered phials” of lyrical poetry; and his Breton Poèmes de Morvan le Gaëlique (1953). La Défense de Tartufe (1919), which with the novel Saint Matorel…

cornetfish, (family Fistulariida), any of about four species of extremely long and slim gasterosteiform fishes that constitute the genus Fistularia. They are found in tropical and temperate nearshore marine waters in the Atlantic, Pacific, and Indian oceans that are characterized by soft bottoms

Tarquinia, town and episcopal see, Lazio (Latium) regione, central Italy. It lies 4 miles (7 km) inland from the Tyrrhenian Sea, just north of Civitavecchia. The town developed out of the ancient Tárchuna (2 miles [3 km] northeast), which was one of the principal cities of the Etruscan

cornett, wind instrument sounded by lip vibration against a cup mouthpiece; it was one of the leading wind instruments of the period 1500–1670. It is a leather-covered conical wooden pipe about 24 inches (60 centimetres) long, octagonal in cross section, with finger holes and a small horn or ivory

cornett, wind instrument sounded by lip vibration against a cup mouthpiece; it was one of the leading wind instruments of the period 1500–1670. It is a leather-covered conical wooden pipe about 24 inches (60 centimetres) long, octagonal in cross section, with finger holes and a small horn or ivory

cereal processing: Flaked cereals: …breakfast foods are made from corn (maize), usually of the yellow type, broken down into grits and cooked under pressure with flavouring syrup consisting of sugar, nondiastatic malt, and other ingredients. Cooking is often accomplished in slowly rotating retorts under steam pressure.

cornstarch, substance produced through wet milling of corn (Zea mays). Wet milling separates the components of corn kernels, which consist primarily of protein, fibre, starch, and oil. Once separated, the starch is dried, forming a white powder called cornstarch. Cornstarch is high in carbohydrates

cornflower, (Centaurea cyanus), herbaceous annual plant of the Asteraceae family. Native to Europe, cornflowers are widely cultivated in North America as garden plants and have naturalized as an invasive species in some areas outside of their native range. They were once frequent weeds in fields of

Friedrich Nietzsche: Basel years (1869–79): …rear,” as the British classicist F.M. Cornford wrote in 1912. It remains a classic in the history of aesthetics to this day.

Frances Cornford was an English poet, perhaps known chiefly, and unfairly, for the sadly comic poem “To a Fat Lady Seen from a Train” (“O fat white woman whom nobody loves, / Why do you walk through the fields in gloves…”). A granddaughter of Charles Darwin, she was educated at home. Her first book

Sir John Cornforth was an Australian-born British chemist who was corecipient, with Vladimir Prelog, of the 1975 Nobel Prize for Chemistry for his research on the stereochemistry of enzyme-catalyzed reactions. Stereochemistry is the study of how the properties of a chemical compound are affected by

Sir Leslie Stephen: …1871 to 1882 he edited The Cornhill Magazine, for which he wrote literary criticism (republished in the three series of Hours in a Library, 1874–79). Stephen was one of the first serious critics of the novel. Thomas Hardy, Robert Louis Stevenson, Edmund Gosse, and Henry James were among those whom…

Nebraska, constituent state of the United States of America. It was admitted to the union as the 37th state on March 1, 1867. Nebraska is bounded by the state of South Dakota to the north, with the Missouri River making up about one-fourth of that boundary and the whole of Nebraska’s boundaries

Chicago White Sox, American professional baseball team based in Chicago that plays in the American League (AL). The White Sox have won three World Series titles, two in the early 1900s (1906, 1917) and the third 88 years later, in 2005. They are often referred to as the “South Siders,” a reference

cornice, in architecture, the decorated projection at the top of a wall provided to protect the wall face or to ornament and finish the eaves. The term is used as well for any projecting element that crowns an architectural feature, such as a doorway. A cornice is also specifically the top member

Louis-Antoine Ranvier: With the French bacteriologist André-Victor Cornil he wrote Manual of Pathological Histology (1869), considered a landmark of 19th-century medicine.

Corning, city, Steuben county, south-central New York, U.S. It lies on the Chemung River, near the Pennsylvania border, 18 miles (29 km) northwest of Elmira. Settled in 1789, it was named in 1837 for Erastus Corning, promoter of a railroad connecting Pennsylvania coal mines with the Chemung Canal.

glassware: After the War of 1812: …part of the now famous Corning Glass Works.

explosive: Manufacture of black powder: …into manageable pieces and the corning mill, which contains rolls of several different dimensions, reduces them to the sizes desired.

New York Central Railroad Company: …York Central’s moving spirit was Erastus Corning (1794–1872), four times mayor of Albany, who for 20 years had been president of the Utica and Schenectady, one of the consolidated roads. He served as president of the New York Central until 1864. In 1867 Cornelius Vanderbilt won control, after beating down…

poultry farming: Chickens: …Cornish Cross, a hybrid of Cornish and White Rock, is one of the most-common breeds for industrial meat production and is esteemed for its compact size and rapid, efficient growth.

Cornish clotted cream, rich cream that originated in the southwestern English county of Cornwall and is made with a minimum butterfat content of 55 percent. It is thick but soft, like smooth cream cheese. Its flavour is rich and mildly sweet and has been described as like a “nutty, cooked milk.” In

Richard Trevithick: …throughout the world as the Cornish type. It was used in conjunction with the equally famous Cornish pumping engine, which Trevithick perfected with the aid of local engineers. The latter was twice as economic as the Watt type, which it rapidly replaced.

Cornish language, a member of the Brythonic group of Celtic languages. Spoken in Cornwall in southwestern Britain, it became extinct in the 18th or early 19th century as a result of displacement by English but was revived in the 20th century. Cornish is most closely related to Breton, the Celtic

Amaryllidaceae: …tulip, or blood lily (Haemanthus), Cornish lily (Nerine), and Hippeastrum; the hippeastrums, grown for their large, showy flowers, are commonly known as amaryllis. An ornamental Eurasian plant known as winter daffodil (Sternbergia lutea) is often cultivated in borders or rock gardens. Natal lily, or Kaffir lily (Clivia miniata), a South…

Cornish literature, the body of writing in Cornish, the Celtic language of Cornwall in southwestern Britain. The earliest extant records in Cornish are glosses added to Latin texts as well as the proper names in the Bodmin Manumissions, all of which date from about the 10th century. The

Cornish wrestling, style of wrestling developed and still practiced in southwestern England. It is also known as the Cornwall and Devon, or West Country, style. Cornish wrestlers wear stout, loose canvas jackets; rules allow wrestlers to take hold anywhere above the waist or by any part of the

blue-eyed soul: ), Gene Cornish (b. May 14, 1946, Ottawa, Ontario, Canada), Eddie Brigati (b. October 22, 1946, New York, New York), and Dino Danelli (b. July 23, 1945, New York). Produced by Phil Spector, “You’ve Lost That Lovin’ Feelin’ ” (1964) and “Unchained Melody” (1965) earned the…

Freedom’s Journal: Samuel Cornish, a Presbyterian minister, and John Brown Russwurm, one of the first African Americans to graduate from a U.S. college, were chosen senior editor and junior editor, respectively. The newspaper’s first issue, which was four pages long, appeared on March 16, 1827.

Sullivan: Built in 1866, the Cornish-Windsor Bridge (460 feet [140 metres]) is one of the nation’s longest covered bridges. County timberland mainly consists of maple, birch, and beech, with stands of spruce and fir.

corn: Food and nutrition: into hominy (hulled kernels) or meal, and cooked in corn puddings, mush, polenta, griddle cakes, cornbread, and scrapple. Corn is also used for popcorn, confections, and various manufactured breakfast cereal preparations.

Europe: Elevations: …peaks in those ranges are Mount Corno (9,554 feet [2,912 metres]) in the Abruzzi Apennines, Bobotov Kuk (8,274 feet [2,522 metres]) in the Dinaric Alps, Mount Botev (7,795 feet [2,376 metres]) in the Balkan Mountains, Gerlachovský Peak (Gerlach; 8,711 feet [2,655 metres]) in the

Europe: Elevations: …peaks in those ranges are Mount Corno (9,554 feet [2,912 metres]) in the Abruzzi Apennines, Bobotov Kuk (8,274 feet [2,522 metres]) in the Dinaric Alps, Mount Botev (7,795 feet [2,376 metres]) in the Balkan Mountains, Gerlachovský Peak (Gerlach; 8,711 feet [2,655 metres]) in the

Europe: Elevations: …peaks in those ranges are Mount Corno (9,554 feet [2,912 metres]) in the Abruzzi Apennines, Bobotov Kuk (8,274 feet [2,522 metres]) in the Dinaric Alps, Mount Botev (7,795 feet [2,376 metres]) in the Balkan Mountains, Gerlachovský Peak (Gerlach; 8,711 feet [2,655 metres]) in the

mass spectrometry: Development: Alvarez and Robert Cornog of the United States first used an accelerator as a mass spectrometer in 1939 when they employed a cyclotron to demonstrate that helium-3 (3He) was stable rather than hydrogen-3 (3H), an important question in nuclear physics at the time. They also showed that helium-3…

Cornplanter was a Seneca Indian leader who aided white expansion into Indian territory in the eastern United States. Cornplanter’s father was a white trader of English or Dutch ancestry named John O’Bail, and his mother was a Seneca Indian. Little is known of his early life. During the American

cornstarch, substance produced through wet milling of corn (Zea mays). Wet milling separates the components of corn kernels, which consist primarily of protein, fibre, starch, and oil. Once separated, the starch is dried, forming a white powder called cornstarch. Cornstarch is high in carbohydrates

cornu, (Latin: “horn”), large metal horn of ancient Rome, used as a military and ceremonial instrument. It was about 11 feet (slightly more than 3 m) in length and had the shape of the letter G, with a crossbar brace that supported the instrument’s weight on the player’s shoulder. Two specimens

Paul Cornu was a French engineer who designed and built the first helicopter to perform a manned free flight. Cornu’s twin-rotor craft, powered by a 24-horsepower engine, flew briefly on Nov. 13, 1907, at Coquainvilliers, near Lisieux. Previously, another French helicopter, the Bréguet-Richet I,

pregnancy: Ectopic pregnancy: …angular pregnancy differs from a cornual pregnancy, which develops in the side of a bilobed or bicornate uterus.

cornucopia, decorative motif, dating from ancient Greece, that symbolizes abundance. The motif originated as a curved goat’s horn filled to overflowing with fruit and grain. It is emblematic of the horn possessed by Zeus’s nurse, the Greek nymph Amalthaea (q.v.), which could be filled with whatever

Björk: In 2019 Björk premiered Cornucopia, a series of multimedia performances, for the inaugural program at The Shed, a cultural institution that opened in New York City that year.

cornucopian, label given to individuals who assert that the environmental problems faced by society either do not exist or can be solved by technology or the free market. Cornucopians hold an anthropocentric view of the environment and reject the ideas that population-growth projections are

dogwood, (genus Cornus), genus of shrubs, trees, and herbs in the dogwood family (Cornaceae), native to Europe, eastern Asia, and North America. Several are cultivated for their attractive flowers, and a few shrubby species are planted for their variegated leaves and colourful twigs—which can be

Japanese pagoda tree: The pagoda dogwood (Cornus alternifolia) is a member of the family Cornaceae; it is used in landscaping for its horizontal branching habit.

bunchberry, (Cornus canadensis), creeping perennial herb of the dogwood family (Cornaceae). The small and inconspicuous yellowish flowers, grouped in heads surrounded by four large and showy white (rarely pink) petallike bracts (modified leaves), give rise to clusters of red fruits. Bunchberry is

dogwood: Major species: Flowering dogwood (C. florida), a North American species, is widely grown as an ornamental for its showy petal-like bracts (modified leaves) under the tiny flowers. Cornelian cherry (C. mas), a European species also grown as an ornamental, produces fruit that is eaten fresh or made…

Cornales: Cornaceae: …cherry) produces edible fruit, and C. macrophylla yields wood useful for furniture. Flowering dogwoods have small flowers surrounded by conspicuously expanded coloured bracts (specialized leaves) that are frequently mistaken for petals.

Cornales: Cornaceae: mas (cornelian cherry) produces edible fruit, and C. macrophylla yields wood useful for furniture. Flowering dogwoods have small flowers surrounded by conspicuously expanded coloured bracts (specialized leaves) that are frequently mistaken for petals.

dogwood: Major species: The Pacific, or mountain, dogwood (C. nuttallii) resembles the flowering dogwood with minor differences. Red twig, or red osier (C. sericea), dogwood of northern and western North America has bright red twigs that are especially showy in winter and early spring; the branches are dark red…

dogwood: Major species: …twig, or red osier (C. sericea), dogwood of northern and western North America has bright red twigs that are especially showy in winter and early spring; the branches are dark red in colour and the fall foliage ranges from red to purple to yellow.

Lucius Annaeus Cornutus was a Roman Stoic philosopher, best known as the teacher and friend of Persius, whose satires he helped to revise for publication after the poet’s death. Cornutus resided mostly in Rome. He was banished by Nero (in 66 or 68) for having indirectly disparaged the emperor’s

mineral deposit: Skarns: … from a skarn deposit at Cornwall, Pennsylvania, U.S., commenced in 1737 and continued for two and a half centuries. Copper skarns are found at many places, including Copper Canyon in Nevada and Mines Gaspé in Quebec, Canada. Tungsten skarns supply much of the world’s tungsten from deposits such as those…

Cornwall, city, seat (1792) of the united counties of Stormont, Dundas, and Glengarry, southeastern Ontario, Canada. The city lies on the north bank of the St. Lawrence River at the eastern terminus of the Cornwall Canal. Founded as New Johnstown by loyalists in 1784, it was renamed in 1797 for the

Cornwall, unitary authority and historic county, southwestern England, occupying a peninsula jutting into the Atlantic Ocean. Truro is the unitary authority’s administrative centre. The unitary authority covers nearly the same area as the historic county. However, the unitary authority includes an