Jack Butler Yeats: …Yeats was the son of John Butler Yeats, a well-known portrait painter, and he was the brother of the poet William Butler Yeats. He was privately educated in Sligo, Ireland, and he then attended various art schools in London, including the Westminster School of Art. His early work was mainly…

William Butler Yeats was an Irish poet, dramatist, and prose writer, one of the greatest English-language poets of the 20th century. He received the Nobel Prize for Literature in 1923. Yeats’s father, John Butler Yeats, was a barrister who eventually became a portrait painter. His mother, formerly

Richard Ellmann: His book Yeats: The Man and the Masks (1948; reprinted 1987) is a study of one of Yeats’s intense conflicts, the dichotomy between the self of everyday life and the self of fantasy. The book revealed Yeats as a timid and confused man behind a facade of…

Yecla, city, Murcia provincia (province) and comunidad autónoma (autonomous community), southeastern Spain. It lies north of the city of Murcia, at the slopes of the Cerro del Castillo. The Stone Age remains of Monte Arabí are to the northwest. The city received its coat of arms from King Charles

Shillong, city, capital of Meghalaya state, northeastern India. The city is located in the east-central part of the state on the Shillong Plateau, at an elevation of 4,990 feet (1,520 metres). Shillong first became prominent in 1864, when it succeeded Cherrapunji as the district headquarters. In

Lake Chad: Settlement history: The Yedina (Buduma) established themselves among the inaccessible islands and along the marshy northern shore of Lake Chad, and the Kuri did the same in inaccessible areas along the eastern margin of the lake.

Yeesookyung is an interdisciplinary artist who draws upon her experience growing up in Korea to explore concepts of feminism and identity. She is best known for Translated Vase, a series of biomorphic sculptures made from fragments of porcelain. Yeesookyung grew up under the nationalist military

Ethiopia, landlocked country on the Horn of Africa. The country lies completely within the tropical latitudes and is relatively compact, with similar north-south and east-west dimensions. The capital is Addis Ababa (“New Flower”), located almost at the centre of the country. Ethiopia is the largest

Ethiopia, landlocked country on the Horn of Africa. The country lies completely within the tropical latitudes and is relatively compact, with similar north-south and east-west dimensions. The capital is Addis Ababa (“New Flower”), located almost at the centre of the country. Ethiopia is the largest

Virgil Abloh: Early life and career: …Dark Twisted Fantasy (2010) and Yeezus (2013) and on West and Jay-Z’s collaboration, Watch the Throne (2011), which garnered Abloh a Grammy nomination. During this period Abloh also pursued his own undertakings, including opening RSVP Gallery (2009), a boutique and gallery in Chicago, with Don C, a friend and business…

Atom Egoyan is an Egyptian-born Canadian writer and director who is known for his nuanced character studies of people in unconventional circumstances. Egoyan was born to Armenian parents in Cairo and from age three was reared in Victoria, British Columbia. Although he received a B.A. (1982) in

Aleksandr Pushkin: Return from exile of Aleksandr Pushkin: …the unfinished Yegipetskiye nochi (1835; Egyptian Nights).

Boris Borisovich Yegorov was a Soviet physician who, with cosmonauts Vladimir M. Komarov and Konstantin P. Feoktistov, was a participant in the first multimanned spaceflight, that of Voskhod (“Sunrise”) 1, on October 12–13, 1964, and was also the first practicing physician in space. Upon graduating

Lyubov Yegorova is a Russian cross-country skier who was one of the two most decorated performers at the 1994 Olympic Winter Games in Lillehammer, Norway. She won three gold medals and a silver in 1994, adding to the three gold and two silver medals she collected at the 1992 Games in Albertville,

Yegoryevsk, city, Moscow oblast (region), western Russia. It lies along the Glushitsy River southeast of the capital. The city of Yegoryevsk was formed in 1778 from the village of Vysokoye and became an important trading centre, especially for grain and cattle from Ryazan oblast. In the 19th

Paraguay: Struggle for independence: …captains Pedro Juan Cabellero and Fulgencio Yegros, they promptly deposed the governor and declared their independence on May 14, 1811.

Ye Jianying was a Chinese communist military officer, administrator, and statesman who held high posts in the Chinese government during the 1970s and ’80s. Born of a middle-class family, Ye graduated from the Yunnan Military Academy in 1919 and joined Sun Yat-sen’s Nationalist movement shortly

Ye Shengtao was a Chinese writer and teacher known primarily for his vernacular fiction. Ye taught at primary schools after his graduation from secondary school and in 1914 began writing short stories in classical Chinese for several periodicals. Influenced by the May Fourth Movement, he turned to

Ye Ting was an outstanding Chinese military leader. Ye is thought to have been of peasant origin, but he was educated at the Baoding Military Academy, from which he graduated in 1918. He joined the Chinese Communist Party (CCP) in 1924 and was commander of a vanguard unit on the Northern Expedition

Yarkand River, a headstream of the Tarim River in the Uygur Autonomous Region of Xinjiang, in extreme western China. The Yarkand, which is 600 miles (970 km) long, rises in the Karakoram Pass of the Karakoram Range in the Pakistani-administered portion of the Kashmir region. In its upper course it

Yelü Chucai was a Chinese statesman of Khitan extraction, adviser to Genghis Khan and his son Ögödei. He established a formal bureaucracy and rationalized taxation system for the Mongol-controlled portions of China. By persuading Ögödei to spare the inhabitants of northern China in order to utilize

Yelü Dashi was the founder and first emperor (1124–43) of the Xi (Western) Liao dynasty (1124–1211) of Central Asia. Yelü was a member of the imperial family of the Liao dynasty (907–1125), which had been established by the Khitan (Chinese: Qidan) tribes and ruled much of Mongolia and Manchuria

Tigray: …of Aksum, the kingdom’s capital; Yeha, a ruined town of great antiquity; and Adwa, the site of a battle in 1896 in which the Italian invading force was defeated.

Fabales: Ecological and economic importance: … and pulpwood; Cordeauxia edulis (yeheb), an uncultivated desert shrub of North Africa that has been so extensively exploited for food (seeds) that it is in danger of extinction; Ceratonia siliqua (carob), a Mediterranean plant whose fruits are used as animal and human food and in the manufacture of industrial…

Cixi was the consort of the Xianfeng emperor (reigned 1850–61), mother of the Tongzhi emperor (reigned 1861–75), adoptive mother of the Guangxu emperor (reigned 1875–1908), and a towering presence over the Chinese empire for almost half a century. By maintaining authority over the Manchu imperial

Ezekiel was a prophet-priest of ancient Israel and the subject and in part the author of an Old Testament book that bears his name. Ezekiel’s early oracles (from c. 592) in Jerusalem were pronouncements of violence and destruction; his later statements addressed the hopes of the Israelites exiled

Jehoram, one of two contemporary Old Testament kings. Jehoram, the son of Ahab and Jezebel and king (c. 849–c. 842 bc) of Israel, maintained close relations with Judah. Together with Jehoshaphat, king of Judah, Jehoram unsuccessfully attempted to subdue a revolt of Moab against Israel. As had his

Jehoshaphat, king (c. 873–c. 849 bc) of Judah during the reigns in Israel of Ahab, Ahaziah, and Jehoram, with whom he maintained close political and economic alliances. Jehoshaphat aided Ahab in his unsuccessful attempt to recapture the city of Ramoth-gilead, joined Ahaziah in extending maritime

Amalia Kahana-Carmon: Along with Amos Oz and A.B. Yehoshua, Kahana-Carmon became a key figure in the new wave of Israeli fiction of the 1960s. Unlike her contemporaries, however, she wrote about the inner lives of women, exploring a realm of desire and fantasy more subjective than the Zionist themes then prevalent in…

Amalia Kahana-Carmon: Along with Amos Oz and A.B. Yehoshua, Kahana-Carmon became a key figure in the new wave of Israeli fiction of the 1960s. Unlike her contemporaries, however, she wrote about the inner lives of women, exploring a realm of desire and fantasy more subjective than the Zionist themes then prevalent in…

Joshua, the leader of the Israelite tribes after the death of Moses, who conquered Canaan and distributed its lands to the 12 tribes. His story is told in the Old Testament Book of Joshua. According to the biblical book named after him, Joshua was the personally appointed successor to Moses

Jehu, king (c. 842–815 bc) of Israel. He was a commander of chariots for the king of Israel, Ahab, and his son Jehoram, on Israel’s frontier facing Damascus and Assyria. Ahab, son of King Omri, was eventually killed in a war with Assyria; during Jehoram’s rule, Jehu accepted the invitation of the

Judah ha-Levi was a Jewish poet and religious philosopher. His works were the culmination of the development of Hebrew poetry within the Arabic cultural sphere. Among his major works are the poems collected in Dīwān, the “Zionide” poems celebrating Zion, and the Sefer ha-Kuzari (“Book of the

Judah Leone ben Isaac Sommo was an Italian author whose writings are a primary source of information about 16th-century theatrical production in Italy. Sommo wrote the first known Hebrew drama, Tzaḥut bediḥuta de-qiddushin (1550; “An Eloquent Comedy of a Marriage”), in which characters such as the

Judah ben Samuel was a Jewish mystic and semilegendary pietist, a founder of the fervent, ultrapious movement of German Ḥasidism. He was also the principal author of the ethical treatise Sefer Ḥasidim (published in Bologna, 1538; “Book of the Pious”), possibly the most important extant document of

Judaea, the southernmost of the three traditional divisions of ancient Palestine; the other two were Galilee in the north and Samaria in the centre. No clearly marked boundary divided Judaea from Samaria, but the town of Beersheba was traditionally the southernmost limit. The region presents a

Jew, any person whose religion is Judaism. In the broader sense of the term, a Jew is any person belonging to the worldwide group that constitutes, through descent or conversion, a continuation of the ancient Jewish people, who were themselves descendants of the Hebrews of the Bible (Old

Jew, any person whose religion is Judaism. In the broader sense of the term, a Jew is any person belonging to the worldwide group that constitutes, through descent or conversion, a continuation of the ancient Jewish people, who were themselves descendants of the Hebrews of the Bible (Old

Jacob Isaac ben Asher Przysucha was a Jewish Ḥasidic leader who sought to turn Polish Ḥasidism away from its reliance on miracle workers. He advocated a new approach that combined study of the Torah with ardent prayer. Przysucha was the descendant of a rabbinic family. He became learned in the

Jacob Isaac ben Asher Przysucha was a Jewish Ḥasidic leader who sought to turn Polish Ḥasidism away from its reliance on miracle workers. He advocated a new approach that combined study of the Torah with ardent prayer. Przysucha was the descendant of a rabbinic family. He became learned in the

Jacob Isaac ben Asher Przysucha was a Jewish Ḥasidic leader who sought to turn Polish Ḥasidism away from its reliance on miracle workers. He advocated a new approach that combined study of the Torah with ardent prayer. Przysucha was the descendant of a rabbinic family. He became learned in the

Native American dance: The Southwest: …dances such as the curative yeibichai of the Navajo. Curative ceremonies, with long song cycles, are emphasized by the Navajo, along with circular social dances, recalling those of the Great Plains tribes. The Apache have developed a spectacular masked dance, called the gahan, to obtain cures but chiefly to celebrate…

Catherine the Great was a German-born empress of Russia (1762–96) who led her country into full participation in the political and cultural life of Europe, carrying on the work begun by Peter the Great. With her ministers she reorganized the administration and law of the Russian Empire and extended

Catherine the Great was a German-born empress of Russia (1762–96) who led her country into full participation in the political and cultural life of Europe, carrying on the work begun by Peter the Great. With her ministers she reorganized the administration and law of the Russian Empire and extended

Yekaterinburg, city and administrative center of Sverdlovsk oblast (region), west-central Russia. The city lies along the Iset River, which is a tributary of the Tobol River, and on the eastern slope of the Ural Mountains, slightly east of the border between Europe and Asia. Yekaterinburg is

Krasnodar, city and administrative centre of Krasnodar kray (territory), southwestern Russia, lying along the Kuban River. Founded about 1793 as a Cossack guardpost on the Kuban frontier, it developed as a military town. In 1867, after the Caucasian wars, it became a city and centre of the fertile

Yuan dynasty, dynasty established by Mongol nomads that ruled portions and eventually all of China from the early 13th century to 1368. Mongol suzerainty eventually also stretched throughout most of Asia and eastern Europe, though the Yuan emperors were rarely able to exercise much control over

Yiddish literature: The 21st century: His Yekl (1896) uses some Yiddish words that are explained in footnotes. The novel generally translates Yiddish dialogue into standard English, but it also includes what the narrator calls “mutilated English” present in the characters’ Americanized Yiddish. Mary Antin, whose family moved from Russia to Boston…

Native American music: Aerophones: The Yekuana people of southern Venezuela play an end-blown free-reed bamboo instrument called the tekeyë, which has a lamella inside the pipe. Although the player’s lips do not touch the lamella, it vibrates when he blows into the pipe. The tekeyë is played in pairs; one…

Zagwe dynasty: …end of the 13th century Yekuno Amlak, a prince of the Amhara, incited so successful a rebellion in Shewa that the Zagwe king, Yitbarek, was driven out and murdered. A new Zagwe king stirred up a counterrebellion but was defeated.

Ibn Gabirol: Early life and career: …scholars and the influential courtier Yekutiel ibn Ḥasan. Protected by this patron, whom Ibn Gabirol immortalized in poems of loving praise, the 16-year-old poet became famous for his religious hymns in masterly Hebrew. The customary language of Andalusian literature had been Arabic, and Hebrew had only recently been revived as…

Rossel Island, volcanic island at the eastern end of the Louisiade Archipelago in Papua New Guinea, southwestern Pacific Ocean, lying 230 miles (370 km) southeast of the island of New Guinea. One of the group’s largest islands, it measures 21 miles by 10 miles (34 km by 16 km) and is fringed with

Wyclef Jean: …Jean Foundation (later known as Yéle Haiti). The organization raised money and engineered programs to assist victims of poverty in Haiti. Following the Haiti earthquake of 2010, Yéle Haiti raised several million dollars for those affected. Jean announced in August of 2010 that he would run for president of Haiti,…

Yelets, city, Lipetsk oblast (region), western Russia, on the Sosna River. First mentioned in 1146 and the seat of a minor princedom in the 13th century, Yelets long served as a southern frontier fortress. It was captured by Timur in 1395 and by the Mongols in 1414; in 1483 it passed to Moscow.

Russia: Vasily III: …her apparent barrenness, he married Yelena Glinskaya, who bore him only two children—the deaf and mute Yury and the sickly Ivan, who was three years old at Vasily’s death in 1533.

Yelets, city, Lipetsk oblast (region), western Russia, on the Sosna River. First mentioned in 1146 and the seat of a minor princedom in the 13th century, Yelets long served as a southern frontier fortress. It was captured by Timur in 1395 and by the Mongols in 1414; in 1483 it passed to Moscow.

Lorde is a New Zealand singer-songwriter known for lyrics that exhibit a mature, jaded worldview. Yelich-O’Connor was raised in the suburbs of Auckland and demonstrated a knack for public performance at an early age. At age 12 she was signed to a development contract with the Universal Music Group

Elizabeth was the empress of Russia from 1741 to 1761 (1762, New Style). The daughter of Peter I the Great (reigned 1682–1725) and Catherine I (reigned 1725–27), Elizabeth grew up to be a beautiful, charming, intelligent, and vivacious young woman. Despite her talents and popularity, particularly

Kirovohrad, city, south-central Ukraine. It lies along the upper Inhul River where the latter is crossed by the Kremenchuk-Odessa railway. Founded as a fortress in 1754, it was made a city, Yelysavethrad (Russian: Yelizavetgrad, or Elizavetgrad), in 1765 and developed as the centre of a rich

Gäncä, city, western Azerbaijan. It lies along the Gäncä River. The town was founded sometime in the 5th or 6th century, about 4 miles (6.5 km) east of the modern city. That town was destroyed by earthquake in 1139 and rebuilt on the present site. Gäncä became an important centre of trade, but in

Janet Yellen is an American economist, who was the chair (2014–18) of the Board of Governors of the Federal Reserve System (“the Fed”), the central bank of the United States, and secretary of the U.S. Department of the Treasury (2021– ). She was the first woman to hold each of those posts. Yellen

Janet Yellen is an American economist, who was the chair (2014–18) of the Board of Governors of the Federal Reserve System (“the Fed”), the central bank of the United States, and secretary of the U.S. Department of the Treasury (2021– ). She was the first woman to hold each of those posts. Yellen

metalwork: Mid-19th century onward: , Samuel Yellin of Philadelphia, raised the standards of wrought-iron craftsmanship to its apex during the 1920s. He not only trained an atelier of craftsmen for the first time in the U.S., but by his efforts wrought iron was recognized as capable of enriching even the…

yellow, in physics, light in the wavelength range of 570–580 nanometres, which is in the middle of the visible spectrum. In art, yellow is a colour on the conventional colour wheel, located between orange and green and opposite violet, its complementary colour. Yellow is a basic colour term added

anaconda: The yellow, or southern, anaconda (E. notaeus), however, is much smaller, adult females reaching a maximum length of about 4.4–4.6 meters (roughly 14.4–15.1 feet) long. Historically, two additional forms, the beni (E. beniensis) and the dark-spotted anaconda (E. deschauenseei), which are closely related to E. notaeus,…

Viktor Pelevin: …his novel Zhyoltaya strela (1993; The Yellow Arrow). In the novel a train that seems not to have started from any point or to be going anywhere carries passengers who continue the sometimes bizarre routines of their lives. Omon Ra (1992; published in English under the same title), was a…

asphodel: Yellow asphodel, or king’s spear (Asphodeline lutea), has fragrant yellow flowers and is grown as a landscaping plant.

Ishmael Reed: In the violent Yellow Back Radio Broke-Down (1969) the hero is a Black circus cowboy with cloven hooves who goes by the name the Loop Garoo Kid. Mumbo Jumbo (1972), Reed’s most-celebrated novel, pits proponents of rationalism and militarism against believers in the magical and the intuitive. The…

anti-Semitism: Anti-Semitism in medieval Europe: …of 12th-century anti-Semitism, the compulsory yellow badge that identified the wearer as a Jew, was also revived by the Nazis. The practice of segregating the Jewish populations of towns and cities into ghettos dates from the Middle Ages and lasted until the 19th and early 20th centuries in much of…

bedstraw: Lady’s bedstraw, or yellow bedstraw (G. verum), is used in Europe to curdle milk and to colour cheese. The roots of several species of Galium yield a red dye, and many were used historically to stuff mattresses, hence their common name.

Chinese music: Tonal system and its theoretical rationalization: …produces a basic pitch called yellow bell (huangzhong). This concept is of special interest because it is the world’s oldest information on a tonal system concerned with very specific pitches as well as the intervals between them. The precise number of vibrations per second that created the yellow bell pitch…

humour: …cardinal humours were blood, phlegm, choler (yellow bile), and melancholy (black bile); the variant mixtures of these humours in different persons determined their “complexions,” or “temperaments,” their physical and mental qualities, and their dispositions. The ideal person had the ideally proportioned mixture of the four; a predominance of one produced…

yellow birch, (Betula alleghaniensis), ornamental and timber tree of the family Betulaceae, native to northeastern North America. See also birch. Among the largest of birches, yellow birch grows to 30 metres (100 feet) on cool moist bottomlands and on drier soils to elevations of 1,950 metres

bluestem: Broom sedge, or yellow bluestem (A. virginicus), and bushy beardgrass, or bush bluestem (A. glomeratus), are coarse grasses, unsuitable for forage, that grow in poor soils in eastern and southern North America.

The Cattle Raid of Cooley: 1160) and The Yellow Book of Lecan (late 14th century). Although it contains passages of lively narrative and witty dialogue, it is not a coherent work of art, and its text has been marred by revisions and interpolations. It has particular value for the literary historian in…

The Yellow Book, short-lived but influential illustrated quarterly magazine devoted to aesthetics, literature, and art. It was published in London from 1894 to 1897. From its initial visually arresting issue, for which Aubrey Beardsley was art editor and for which Max Beerbohm wrote an essay, “A

buckeye: Species: …eastern United States is the sweet, or yellow, buckeye (A. flava), which bears yellow flowers and is the largest buckeye species, reaching up to 27 metres (89 feet). The red buckeye (A. pavia) produces red flowers and is an attractive small tree, rarely reaching more than 7.6 metres (25 feet)…

yellowhammer, (Emberiza citrinella), Eurasian bird belonging to the family Emberizidae (order Passeriformes). The name is derived from the German Ammer, “bunting.” It is a 16-centimetre- (6-inch-) long streaked brown bird with yellow-tinged head and breast. Its rapid song is heard in fields from

C.K. Stead: The Yellow Buoy: Poems 2007–2012 (2013) deals largely with his European travels.

ginger lily: Major species: flavum, or yellow butterfly ginger, are commonly used in the leis of Hawaii. Spiked ginger lily (H. spicatum) has heavily perfumed flowers and is used in traditional and Ayurvedic medicine.

uranium processing: Precipitation of yellow cake: Prior to final purification, uranium present in acidic solutions produced by the ion-exchange or solvent-extraction processes described above, as well as uranium dissolved in carbonate ore leach solutions, is typically precipitated as a polyuranate. From acidic solutions, uranium is precipitated by addition of…

baking: Cakes: …cake, similar in formula to yellow cake, except that the white cake uses egg whites instead of whole eggs; devil’s food cake, differing from chocolate cake chiefly in that the devil’s food batter is adjusted to an alkaline level with sodium bicarbonate; chiffon cakes, deriving their unique texture from the…

calla: The golden, or yellow, calla lily (Z. elliottiana), with more heart-shaped leaves, and the pink, or red, calla lily (Z. rehmannii) are also grown. The spotted, or black-throated, calla lily (Z. albomaculata), with white-spotted leaves, has a whitish to yellow or pink spathe that shades within…

false cypress: The Nootka cypress, yellow cypress, or Alaska cedar (C. nootkatensis), also called yellow cedar, canoe cedar, Sitka cypress, and Alaska cypress, is a valuable timber tree of northwestern North America. Its pale yellow hard wood is used for boats, furniture, and paneling. Some varieties are cultivated…

chamomile: …cultivated as garden ornamentals, especially golden marguerite, or yellow chamomile (Cota tinctoria).

Paul Gauguin: Early maturity: …his compositions, as seen in The Yellow Christ (1889). While such works built upon the lessons of color and brushstroke he learned from French Impressionism, they rejected the lessons of perspectival space that had been developed in Western art since the Renaissance. He expressed his distaste for the corruption he…

corydalis: Major species: Yellow corydalis, or rock fumewort (C. lutea), of southern Europe, is a popular garden perennial with 22-cm- (about 9-inch-) tall sprays of yellow tubular blooms. Fumewort, or bird-in-a-bush (C. solida), is a spring ephemeral found in Eurasia; its flowers range from white to dusty red…

James Logan: …named Daniel Greathouse during the Yellow Creek Massacre. In the ensuing conflict, which is known as Lord Dunmore’s War, Logan was a prominent leader of Indian raids on white settlements, and he took the scalps of more than 30 white men. But when the defeated Indians finally gathered at Chillicothe,…

yellow cress, (genus Rorippa), genus of some 85 species of plants in the mustard family (Brassicaceae). Most members of the genus are found in the Northern Hemisphere, especially in marshes and other moist habitats, and bear small four-petaled yellow or white flowers. Rorippa includes several

Magnoliales: Magnoliaceae: acuminata (yellow cucumber tree), which grows in open woods in the Appalachian region, Ozark Mountains, and the Ohio and Mississippi river valleys. M. acuminata derives its popular name from its yellow fruit, which is 5 to 7.5 cm (2 to 3 inches) long.

false cypress: The Nootka cypress, yellow cypress, or Alaska cedar (C. nootkatensis), also called yellow cedar, canoe cedar, Sitka cypress, and Alaska cypress, is a valuable timber tree of northwestern North America. Its pale yellow hard wood is used for boats, furniture, and paneling. Some varieties are cultivated…

Chen Kaige: …first film, Huang tudi (1984; Yellow Earth), won critical acclaim. It tells the story of a communist soldier who visits a village to collect old songs. This film was followed the next year by Dayuebing (The Big Parade), which depicts young soldiers training for a military parade in Beijing. Haizi…

John Sayles: …to fiction with the novel Yellow Earth (2020), which examines the effects of a fracking oil boom on a small North Dakota town and a nearby Native American reservation.

Huangdi, third of ancient China’s mythological emperors, a culture hero and patron saint of Daoism. Huangdi is reputed to have been born about 2704 bc and to have begun his rule as emperor in 2697. His legendary reign is credited with the introduction of wooden houses, carts, boats, the bow and

Daoism: Daoist contributions to Chinese science: …earliest surviving medical book, the Huangdineijing, or “The Yellow Emperor’s Esoteric Classic” (3rd century bce?), presents itself as the teachings of a legendary Celestial Master addressed to the Yellow Emperor.

Axel Hugo Teodor Theorell: …pure sample of the “old yellow enzyme,” which is instrumental in the oxidative interconversion of sugars by the cell. Theorell found that the enzyme is composed of two parts: a nonprotein coenzyme—the yellow riboflavine (vitamin B2) phosphate—and a protein apoenzyme. His discovery (1934) that the coenzyme actively facilitates oxidation of…

David Henry Hwang: His stage comedy Yellow Face was first performed in 2007. It is both a reflection on Hwang’s activism regarding the use of non-Asian actors in Asian roles (which he compared to blackface minstrelsy) and an examination of the role of “face” (a Chinese concept embodying dignity, reputation, and…

yellow fever, acute infectious disease, one of the great epidemic diseases of the tropical world, though it sometimes has occurred in temperate zones as well. The disease, caused by a flavivirus, infects humans, all species of monkeys, and certain other small mammals. The virus is transmitted from

Iridaceae: Major genera and species: …yellow, or water, flag (I. pseudacorus) is a swamp plant native to Eurasia and North Africa; the blue flag (I. versicolor) occupies similar habitats in North America. Blackberry lily (I. domestica, formerly Belamcanda chinensis) is native to East Asia and is grown for its red-spotted orange flowers. Members of…

quercitron bark: …crude quercetin known commercially as yellow flavine. A second variety, known as red flavine, is deposited when an extract of the bark is digested at the boil with dilute acid. These products are used to dye wool mordanted (fixed) with aluminum or tin compounds to bright shades of yellow and…