• Maʿān (Jordan)

    Maʿān, town, southern Jordan. It is a regional trade centre for the sparsely settled southern part of the country, which is inhabited mainly by the Ḥuwayṭat and other Bedouin tribes. Once a centre of Minaean power in northwestern Arabia, Maʿān was later controlled in turn by the Sabaeans, the

  • maʿariv (Jewish prayers)

    maarib, (“who brings on twilight”), Jewish evening prayers recited after sunset; the name derives from one of the opening words of the first prayer. Maarib consists essentially of the Shema, with its accompanying benedictions, and the amidah. The Shema expresses the central theme of Jewish worship:

  • Maʿarrī, al- (Arab poet)

    al-Maʿarrī was a great Arab poet, known for his virtuosity and for the originality and pessimism of his vision. Al-Maʿarrī was a descendant of the Tanūkh tribe. A childhood disease left him virtually blind. He studied literature and Islam in Aleppo, and he may have also traveled to study in Antioch

  • maʿase bereshit (Jewish literature)

    Ishmael ben Elisha: …of the type known as maʿase bereshit (“work of creation”) and several in the genre of maʿase Merkava (“work of the chariot,” a reference to the divine chariot seen by the prophet in Ezekiel I). Maʿase bereshit dealt with mystical cosmology and cosmogony, while maʿase Merkava was the basic element…

  • maʿase Merkava (Jewish literature)

    Ishmael ben Elisha: …several in the genre of maʿase Merkava (“work of the chariot,” a reference to the divine chariot seen by the prophet in Ezekiel I). Maʿase bereshit dealt with mystical cosmology and cosmogony, while maʿase Merkava was the basic element of Jewish mysticism of the era. Ishmael is best remembered, however,…

  • Maʿaseh Buch (work by Jacob ben Abraham)

    Judaism: Judeo-German (Yiddish) tales: …to Moses Henoch, and the Maʿaseh Buch (1672; “Story Book”), a compendium of 254 tales compiled by Jacob ben Abraham of Meseritz and first published at Basel. The latter, drawn mainly from the Talmud, was supplemented by later legends about medieval rabbis. Jewish legends also circulated in the form of…

  • Maʿat (Egyptian goddess)

    Maat, in ancient Egyptian religion, the personification of truth, justice, and the cosmic order. The daughter of the sun god Re, she was associated with Thoth, god of wisdom. The ceremony of judgment of the dead (called the “Judgment of Osiris,” named for the god of the dead) was believed to focus

  • maʿat (Egyptian religious concept)

    Maat: In its abstract sense, maat was the divine order established at creation and reaffirmed at the accession of each new king of Egypt. In setting maat ‘order’ in place of isfet ‘disorder,’ the king played the role of the sun god, the god with the closest links to Maat.…

  • Maʿbad (Muslim musician)

    Islamic arts: The Umayyad and Abbasid dynasties: classical Islamic music: …of a Berber family; and Maʿbad, a Black student of Jamīlah. Like Ibn Surayj, Maʿbad cultivated a special personal style adopted by following generations of singers.

  • Maʿbar (historical state, India)

    India: The Muslim states of southern India, c. 1350–1680: Maʿbar, the first among the rebel states to emerge in south India, was founded at Madurai by the erstwhile Tughluq general Jalāl al-Dīn Aḥsan Shah in 1335. Lasting only 43 years, with seven rulers in quick succession, Maʿbar covered the mainly Tamil region between Nellore…

  • Maʿdan (people)

    Iraq: Rural settlement: …the Shiʿi marsh dwellers (Madan) of southern Iraq. They traditionally have lived in reed dwellings built on brushwood foundations or sandspits, but the damage done to the marshes in the 1990s has largely undermined their way of living. Rice, fish, and edible rushes have been staples, supplemented by products…

  • Maʿdan-e Karkar (region, Afghanistan)

    Afghanistan: Resources and power: Major coal fields are at Maʿdan-e Karkar and Eshposhteh, between Kabul and Mazār-e Sharīf, and Qalʿeh-ye Sarkārī, southwest of Mazār-e Sharīf. In general, however, Afghanistan’s energy resources, including its large reserves of natural gas, remain untapped, and fuel shortages are chronic.

  • Maʿdin, al- (Spain)

    Almadén, town, Ciudad Real provincia (province), in the comunidad autónoma (autonomous community) of Castile-La Mancha, west-central Spain. Almadén is located in one of the world’s richest mercury-producing regions. The town, originally Roman, then a Moorish settlement (Arabic: al-Maʿdin, “mine”),

  • Maʿīn (Yemen)

    history of Arabia: Minaeans: References to Maʿīn occur earlier in Sabaean texts, where they seem to be loosely associated with the ʿĀmir people to the north of the Minaean capital of Qarnaw (now Maʿīn), which is at the eastern end of the Wadi Al-Jawf and on the western border of the…

  • Maʿīn (ancient kingdom, Yemen)

    Maʿīn, ancient South Arabian kingdom that flourished in the 4th–2nd century bce in what is now northern Yemen. The Minaeans were a peaceful community of traders whose government showed features of democracy of the city-state pattern. Maʿīn fell to the Sabaeans late in the 2nd century

  • Maʿlula (Syria)

    Maʿlula, village in southern Syria about 30 mi (50 km) north of Damascus. The houses are built on the slopes of a huge cirque of rocks that encloses the village; the houses are constructed of stones with flat beam roofs. Most of the houses have blue plaster on the outside, a Christian custom. Most

  • Maʿn (Druze family)

    Lebanon: Ottoman period: From them arose the house of Maʿn, which established a princedom over the whole of Mount Lebanon and was accepted by Christians and Druze alike. Fakhr al-Dīn II ruled most of Lebanon from 1593 to 1633 and encouraged commerce. When the house of Maʿn died out in 1697, the…

  • Maʿnu VII (king of Osroëne)

    Osroëne: In ad 123, however, Maʿnu VII, brother of Abgar, became king under the protection of the emperor Hadrian. Thereafter the state maintained some autonomy until 216, when the emperor Caracalla occupied Edessa and abolished the kingdom.

  • maʿrifa (Islam)

    maʿrifa, in Islam, the mystical knowledge of God or the “higher realities” that is the ultimate goal of followers of Sufism. Sufi mystics came to maʿrifa by following a spiritual path that later Sufi thinkers categorized into a series of “stations” that were followed by another series of steps, the

  • MB (aircraft)

    Glenn L. Martin: …first Martin bomber, designated the MB, appeared in 1918–19, too late for active use in World War I, but its success in the hands of Colonel “Billy” Mitchell established Martin as one of the leading military airplane manufacturers of the United States. He built a factory in Cleveland and in…

  • Mba, Léon (president of Gabon)

    Léon M’ba was the first president of independent Gabon, whose regime, after an abortive 1964 coup, came to depend on French government and business support. Considered a troublemaker by the French colonial administration before World War II and even exiled by it from 1933 to 1946, M’ba entered

  • Mbabane (national capital, Eswatini)

    Mbabane, capital and largest town of Swaziland. Located in the Highveld of western Swaziland, Mbabane developed near the cattle kraal of the Swazi king Mbandzeni in the late 19th century. The actual town traces its foundation to 1902, when the British assumed control of Swaziland and established an

  • Mbabazi, Amama (prime minister of Uganda)

    Uganda: Domestic affairs: …in 2014, when he sacked Amama Mbabazi, the prime minister. Mbabazi had been a longtime ally of Museveni but was also seen as the second most-powerful political figure in the NRM and a strong contender for the presidential nomination. In early 2015 Mbabazi announced his intent to challenge Museveni for…

  • Mbaga-Tuzinde, Saint (Ugandan saint)

    Martyrs of Uganda: With the exception of Mbaga-Tuzinde, who was bludgeoned by his own father, the pages were burned alive on June 3, 1886:

  • Mbala (people)

    African art: Lower Congo (Kongo) cultural area: Mbala figures have three different types of faces: elongated, wide, and lozenge-shaped. The features (especially the forehead and chin) project forcefully, and the head is surmounted by a crestlike coiffure. Mbala mother-and-child figures are much more powerfully rigid in style than others in the Congo…

  • mbalax (musical style)

    Youssou N’Dour: …for introducing international audiences to mbalax—a Senegalese popular music style that blends Wolof traditional instrumental and vocal forms primarily with Cuban and other Latin American popular genres. He served as Senegal’s minister for culture and tourism (2012–13).

  • Mbale (Uganda)

    Mbale, town located in southeastern Uganda. It lies at the western foot of the extinct volcano Mount Elgon (14,178 feet [4,321 metres]), 75 miles (120 km) northeast of Jinja. Located in a fertile coffee-growing region, Mbale is an agricultural trade centre and the site of one of Uganda’s principal

  • Mbalmayo (Cameroon)

    Mbalmayo, town located in south-central Cameroon. It lies along the Nyong River, south of Yaoundé. Located within the forest zone, it has a major plywood factory powered by electricity from the hydroelectric complex at Edéa. It is a commercial centre at the junction of three transportation routes:

  • Mbandaka (Democratic Republic of the Congo)

    Mbandaka, city, northwestern Democratic Republic of the Congo. It lies on the equator about 435 miles (700 km) northeast of Kinshasa, the national capital. It was a colonial administrative centre from 1886. It is now a busy river port situated at the junction of the Congo and Ruki rivers midway on

  • Mbanderu (people)

    Herero: …a segment known as the Mbanderu inhabit parts of central Namibia and Botswana; other related groups, such as the Himba, inhabit the Kaokoveld area of Namibia and parts of southern Angola.

  • Mbandzeni (king of Eswatini)

    Eswatini: Emergence of the Swazi nation: …after the kingship passed to Mbandzeni in 1875. By 1890 so many concessions had been granted for so many purposes (in addition to land and mineral rights) that practically the whole country was covered two, three, or even four deep in concessions of all kinds and for different periods. Although…

  • Mbangala (people)

    Imbangala, a warrior group of central Angola that emerged in the late 16th century. In older sources, the Imbangala are sometimes referred to as Jaga, a generic name for several bands of freebooting mercenary soldiers in the 17th through 19th centuries. The Imbangala probably originated in the

  • Mbanza Kongo (Angola)

    M’banza Congo, city, northwestern Angola. It is situated on a low plateau about 100 miles (160 km) southeast of Nóqui, which is the nearest point on the Congo River. Originally known as Mbanza Kongo, it was the capital of the Kongo kingdom from about 1390 until 1914, when the kingdom was broken up

  • Mbappé, Kylian (French soccer player)

    Kylian Mbappé is a French football (soccer) player whose speed and goal scoring as an attacker have made him a dominant force in European club competition. He was part of the French squads that won the 2018 FIFA World Cup and reached the final of the 2022 World Cup, in which he scored a hat trick

  • Mbaracayú Mountains (mountain range, South America)

    Río de la Plata: Physiography of the Alto Paraná basin: …has to cut through the Serra de Maracaju (Mbaracuyú), which in the past had the effect of a dam, until the Itaipu hydroelectric dam project was completed there in 1982; the river once expanded its bed into a lake 2.5 miles wide and 4.5 miles long, with Guaíra, Brazil, standing…

  • Mbarara (Uganda)

    Mbarara, town located in southwestern Uganda. It is situated 167 miles (270 km) southwest of Kampala at an elevation of about 4,850 feet (1,480 metres) and is linked by road with Kikagati, Bushenyi, and Masaka. The town is located in a forest region and is known for its crafts, including wood

  • mbari (religious architecture)

    African architecture: Palaces and shrines: …notable structure is the elaborate mbari house of the Owerri Igbo of Nigeria. A large open-sided shelter, square in plan, it houses many life-size painted figures sculpted in mud and intended to placate the figure of Ala, the earth goddess, who is supported by deities of thunder and water. The…

  • mbari (kinship group)

    Kikuyu: …local community unit is the mbari, a patrilineal group of males and their wives and children ranging from a few dozen to several hundred persons. Beyond the mbari, the people are divided among nine clans and a number of subclans.

  • Mbari Mbayo Club (African arts club)

    Mbari Mbayo Club, club established for African writers, artists, and musicians at Ibadan and Oshogbo in Nigeria. The first Mbari Club was founded in Ibadan in 1961 by a group of young writers with the help of Ulli Beier, a teacher at the University of Ibadan. Mbari, an Igbo (Ibo) word for

  • Mbatian (Masai ruler)

    eastern Africa: The Luo and Maasai: …laibons, or ritual leaders—among whom Mbatian, who succeeded his father, Subet, in 1866, was the most famous—in a succession of internecine conflicts largely over cattle and grazing grounds. Their wars denuded the Laikipia and Uasin Gishu plateaus of their former Maasai, the so-called Wakwavi, who, being deprived of their cattle,…

  • Mbayá (people)

    Mbayá, South American Indians of the Argentine, Paraguayan, and Brazilian Chaco, speakers of a Guaycuruan language. At their peak of expansion, they lived throughout the area between the Bermejo and Pilcomayo rivers in the eastern Chaco. At one time nomadic hunters and gatherers, the Mbayá became

  • MBD (pathology)

    attention-deficit/hyperactivity disorder: …describe this behaviour, among them minimal brain damage and hyperkinesis. In 1980 the American Psychiatric Association (APA) replaced these terms with attention deficit disorder (ADD). Then in 1987 the APA linked ADD with hyperactivity, a condition that sometimes accompanies attention disorders but may exist independently. The new syndrome was named…

  • MBE (materials science)

    advanced ceramics: Film deposition: …by molecular beam epitaxy, or MBE. In this technique molecular beams are directed at and react with other molecular beams at the substrate surface to produce atomic layer-by-layer deposition of the ceramic. Epitaxy (in which the crystallinity of the growing thin film matches that of the substrate) can often be…

  • Mbei River (river, Gabon)

    Kinguélé: …a hydroelectric complex on the Mbei River of Gabon. Kinguélé is situated near Kango and is about 95 miles (150 km) by road east of Libreville, the national capital. There are actually two sets of waterfalls. The upper Kinguélé falls drop a total of 115 feet (35 m) in three…

  • Mbeki, Thabo (president of South Africa)

    Thabo Mbeki is a politician who served as the president of South Africa (1999–2008). Mbeki was early exposed to politics by his father, a longtime leader in the Eastern Cape African National Congress (ANC), an organization dedicated to the elimination of apartheid in South Africa, who was later

  • Mbembe (people)

    Mbembe, group of peoples living along the middle Cross River in Nigeria. Numbering about 100,000 in the late 20th century, they speak a language of the Benue-Congo branch of the Niger-Congo family. The Mbembe cultivate yams, rice, cocoyams (taro), and cassava. In modern times wage labourers

  • MBFR (Cold War history)

    Mutual and Balanced Force Reductions (MBFR), a series of Cold War-era talks between the United States and the Soviet Union (U.S.S.R.) during the 1970s and ’80s aimed at achieving parity in the level of conventional (nonnuclear) forces stationed in Europe. The agreements made during the MBFR

  • mbila sansa (musical instrument)

    mbira, plucked idiophone (instrument whose sounding parts are resonant solids belonging to the body of the instrument itself)—or more specifically, a lamellaphone—that is unique to Africa and widely distributed throughout the continent. The mbira consists of a series of tuned metal or bamboo

  • Mbini River (river, Africa)

    Equatorial Guinea: Continental Equatorial Guinea: …Niefang-Mikomeseng range north of the Mbini River is somewhat lower. All these ranges form segments of the Cristal Mountains in Gabon.

  • mbira (musical instrument)

    mbira, plucked idiophone (instrument whose sounding parts are resonant solids belonging to the body of the instrument itself)—or more specifically, a lamellaphone—that is unique to Africa and widely distributed throughout the continent. The mbira consists of a series of tuned metal or bamboo

  • mbis pole (religious carving)

    bisj pole, carved wooden pole used in religious rites of the South Pacific Islands. Bisj poles are occasionally found in North America, but they are more common in New Zealand, Vanuatu (formerly the New Hebrides), and especially the Asmat area in southwestern (Indonesian) New Guinea and along the

  • MBNA (American company)

    Delaware: Economy: …most prominent credit-card lender was MBNA, which had become the state’s largest commercial employer by the beginning of the 21st century; shortly thereafter, MBNA merged with Bank of America.

  • MBO (business management)

    governance: The new public management: For example, management by objectives (MBO) emphasizes clearly defined objectives for individual managers, whereas management by results (MBR) emphasizes the use of past results as indicators of future ones, and total quality management (TQM) emphasizes awareness of quality in all organizational processes. Performance measures are concrete attempts…

  • Mbombela (South Africa)

    Mbombela, city, capital of Mpumalanga province, South Africa. It lies along the Krokodil (Crocodile) River, among domed granite hills. In 1891 the railway from Delagoa Bay (site of modern Maputo, Mozambique) reached a farm owned by the Nel family known as Nelspruit (“Nel’s Stream”). A railway

  • Mbomou River (river, Central African Republic)

    Bomu River, river in Central Africa, headstream of the Ubangi River. The Bomu River rises 30 miles (50 km) northwest of Doruma, Democratic Republic of the Congo, and flows 450 miles (725 km) west, forming, together with the Ubangi, the frontier between the Democratic Republic of the Congo and the

  • MBone (technology)

    streaming media: … Palo Alto Research Center, where MBone (short for “multicast backbone”) streaming technology was then being developed. To prove that MBone worked, the development team broadcast Weiser and his friends playing in June 1993. The Rolling Stones were broadcast the following year to much greater fanfare, but the rarity and expense…

  • Mboya, Thomas Joseph Odhiambo (Kenyan politician)

    Tom Mboya was a major political leader in Kenya until his assassination six years after his country had achieved independence. A member of the Luo people and a graduate of mission schools, Mboya first worked as a sanitary inspector in Nairobi and almost immediately became involved in the nascent

  • Mboya, Tom (Kenyan politician)

    Tom Mboya was a major political leader in Kenya until his assassination six years after his country had achieved independence. A member of the Luo people and a graduate of mission schools, Mboya first worked as a sanitary inspector in Nairobi and almost immediately became involved in the nascent

  • MBR (business management)

    governance: The new public management: …objectives for individual managers, whereas management by results (MBR) emphasizes the use of past results as indicators of future ones, and total quality management (TQM) emphasizes awareness of quality in all organizational processes. Performance measures are concrete attempts to assure effective management by auditing inputs and outputs and relating them…

  • MBR-200 (political party, Venezuela)

    Movement of the Fifth Republic (MVR), nationalist Venezuelan political party established to support the presidential candidacy of Hugo Chávez in 1998. MBR-200 was secretly established within the Venezuelan military in the 1980s by Chávez and his fellow military officers. The movement rejected

  • MBS (Saudi Arabian prince)

    Mohammed bin Salman is the de facto ruler of Saudi Arabia, known for his aggressive foreign policy, ambitious economic vision, and controversial social reforms. He formally serves as crown prince (2017– ) and prime minister (2022– ) and has previously served as minister of defense (2015–22). He is

  • MBS (finance)

    mortgage-backed security (MBS), a financial instrument created by securitizing a pool of mortgage loans. Typically, a lender that holds several mortgage loans combines them into a bundle that may represent several million dollars of debt; the lender then divides the bundle into saleable shares in a

  • MBS (American radio network)

    Mutual Broadcasting System, American commercial radio network, operating from 1934 until 1999. The Mutual Broadcasting System began as a cooperative venture and provided some competition for the more-established national networks. On September 29, 1934, four AM radio stations—WXYZ in Detroit, WGN

  • MBT (chemical compound)

    accelerator: …until it was displaced by mercaptobenzothiazole (MBT) about 1925. Compounds related to MBT have proved especially useful in vulcanizing synthetic rubbers.

  • MBT-70 (tank)

    tank: Ammunition: -West German MBT-70 were armed with 152-mm gun/launchers firing standard ammunition as well as launching Shillelagh guided antitank missiles, and the AMX-30 was armed experimentally with the 142-mm ACRA gun/launcher. But the high cost, unreliability, and slow rate of fire of the missiles, together with the appearance…

  • Mbugu (people)

    Tanzania: Ethnic groups: The Iraqw, the Mbugu, the Gorowa, and the Burungi have Cushitic origins. About 500 ce, iron-using Bantu agriculturalists arriving from the west and south started displacing or absorbing the San hunters and gatherers; at roughly the same time, Nilotic pastoralists entered the area from the southern Sudan.

  • Mbuji-Mayi (Democratic Republic of the Congo)

    Mbuji-Mayi, city, south-central Democratic Republic of the Congo. It is situated on the Mbuji-Mayi River. It was developed by Europeans as a mining town after diamonds were found in the area in 1909. The region in which Mbuji-Mayi is situated annually produces one-tenth in weight of the world’s

  • mbulu-ngulu (African art)

    mbulu-ngulu, tomb figure of carved wood covered with a sheet of copper or brass, created by the Kota tribe of Gabon, Africa, to protect the dead. Its traditional function, as a guardian figure standing against a wall, had a direct influence upon its form. Carved in a highly stylized fashion, the

  • Mbum (people)

    Chad: Ethnic groups: The Laka and Mbum peoples live to the west of the Sara groups and, like the Gula and Tumak of the Goundi area, are culturally distinct from their Sara neighbors. Along the banks of the Chari and Logone rivers, and in the region between the two rivers, are…

  • Mbumba, Nangolo (president of Namibia)

    Namibia: Namibia in the 21st century: Nangolo Mbumba, who was sworn in as president later that day. He appointed Netumbo Nandi-Ndaitwah, a longtime member of SWAPO, to the vice-presidency; she was also to be the party’s presidential candidate in the upcoming election.

  • Mbundu (people)

    Mbundu, second largest ethnolinguistic group of Angola, comprising a diversity of peoples who speak Kimbundu, a Bantu language. Numbering about 2,420,000 in the late 20th century, they occupy much of north-central Angola and live in the area from the coastal national capital of Luanda eastward,

  • Mbuti (Pygmy group)

    Ituri Forest: The Pygmies: The Mbuti live with the Bila (Babila) in the centre of the forest.

  • Mbuti (Pygmy groups)

    Bambuti, a group of Pygmies of the Ituri Forest of eastern Congo (Kinshasa). They are the shortest group of Pygmies in Africa, averaging under 4 feet 6 inches (137 cm) in height, and are perhaps the most famous. In addition to their stature, they also differ in blood type from their Bantu- and

  • Mbwila, Battle of (African history)

    Kongo: …of Mbwila, culminating in the Battle of Mbwila (or Ulanga) on Oct. 29, 1665. The Portuguese were victorious and killed the reigning manikongo, António I Nvita a Nkanga, during the battle. Although Kongo continued to exist, from this point on it ceased to function as a unified kingdom.

  • Mc (surname prefix)

    Mac, Scottish and Irish Gaelic surname prefix meaning “son.” It is equivalent to the Anglo-Norman and Hiberno-Norman Fitz and the Welsh Ap (formerly Map). Just as the latter has become initial P, as in the modern names Price or Pritchard, Mac has in some names become initial C and even K—e.g.,

  • Mc (chemical element)

    moscovium (Mc), artificially produced transuranium element of atomic number 115. In 2010 scientists at the Joint Institute for Nuclear Research in Dubna, Russia, and at the Lawrence Berkeley National Laboratory in Berkeley, California, U.S., announced the production of four atoms of moscovium when

  • MC1R (gene)

    melanoma: Causes and symptoms: …mutations in a gene called MC1R occur in association with mutations in BRAF. Certain variations in MC1R also are associated with red hair, freckles, and fair skin, traits that are linked to a marked increase in melanoma risk. Tumours from melanoma patients who carry even only a single allele of…

  • MC5, the (American rock group)

    the MC5, American rock group that was one of the most controversial and ultimately influential bands of the late 1960s, paving the way for such genres as punk and grunge. Formed in suburban Detroit in 1965 as a bar band that played mostly cover versions of other performers’ songs, the MC5 (for

  • MCA (United States [2006])

    writ of habeas corpus: …Supreme Court struck down the Military Commissions Act of 2006, which had barred foreign enemy combatants held by the United States from challenging their detentions in federal courts. In 2025, the second Trump administration indicated its desire to unilaterally suspend the right to request a writ of habeas corpus for…

  • MCA (political party, Malaysia)

    Malaysia: Political transformation: …those of UMNO and the Malayan Chinese Association (MCA), formed in 1949 by wealthy Chinese businessmen. A coalition consisting of UMNO (led by the aristocratic moderate Tunku Abdul Rahman), MCA, and the Malayan Indian Congress contested the national legislative elections held in 1955 and won all but one seat. This…

  • MCA (museum, Chicago, Illinois, United States)

    Museum of Contemporary Art (MCA), art museum in Chicago devoted to the display of new and experimental art across all media. One of the largest multidisciplinary contemporary art museums in the world, the Museum of Contemporary Art (MCA) houses a permanent collection of more than 2,750 works. The

  • MCAD (pathology)

    metabolic disease: Fatty acid oxidation defects: Children with medium-chain acyl-CoA dehydrogenase deficiency (MCAD) appear completely normal, unless they fast for a prolonged period or are faced by other metabolically stressful conditions, such as a severe viral illness. During periods of metabolic stress, affected individuals may develop hypoglycemia, lethargy, vomiting, seizures, and liver dysfunction.…

  • McAdam, John Loudon (British inventor)

    John Loudon McAdam was a Scottish inventor of the macadam road surface. In 1770 he went to New York City, entering the countinghouse of a merchant uncle; he returned to Scotland with a considerable fortune in 1783. There he purchased an estate at Sauhrie, Ayrshire. McAdam, who had become a road

  • McAdams, Rachel (Canadian actress)

    Rachel McAdams is a Canadian actress who found early fame as the iconic high-school queen bee Regina George in Mean Girls (2004). While she has made a name for herself as a likeable romantic lead in movies including The Notebook and Wedding Crashers (2005), she has also delivered notable

  • McAdams, Rachel Anne (Canadian actress)

    Rachel McAdams is a Canadian actress who found early fame as the iconic high-school queen bee Regina George in Mean Girls (2004). While she has made a name for herself as a likeable romantic lead in movies including The Notebook and Wedding Crashers (2005), she has also delivered notable

  • McAdoo, Bob (American basketball player and coach)

    Los Angeles Clippers: …future Hall of Fame center-forward Bob McAdoo. The Braves were part of an unusual franchise swap in 1978, when the owner of the Boston Celtics, Irv Levin, a Californian, wanted to move the Celtics to his home state but was prevented by the NBA from moving the historic franchise. As…

  • McAdoo, William G. (American politician)

    William G. McAdoo was the U.S. secretary of the treasury (1913–18), a founder and chairman (1914) of the Federal Reserve Board, and director general of the U.S. railroads during and shortly after World War I (1917–19). He directed four fund-raising drives that raised $18,000,000,000 to help finance

  • McAdoo, William Gibbs (American politician)

    William G. McAdoo was the U.S. secretary of the treasury (1913–18), a founder and chairman (1914) of the Federal Reserve Board, and director general of the U.S. railroads during and shortly after World War I (1917–19). He directed four fund-raising drives that raised $18,000,000,000 to help finance

  • McAfee, Mildred Helen (American educator and military commander)

    WAVES: …commander of the WAVES was Mildred McAfee, who as a civilian was the president of Wellesley College. Other notable members of the WAVES were Grace Hopper, a pioneering mathematician who eventually attained the rank of rear admiral, and Susan Ahn Cuddy, the first Asian American woman to become an officer…

  • McAfee, Scott (American judge)

    Fani Willis: The prosecution of Donald Trump: …judge assigned to the case, Scott McAfee, removed the counts related to oath-of-office violations from the indictment, holding that prosecutors had not properly identified the violations that Trump and his codefendants had allegedly solicited. In September McAfee dismissed three more counts from the indictment on the ground that Georgia lacked…

  • McAfee-Maggart, Fiona Apple (American singer-songwriter)

    Fiona Apple is an American singer-songwriter whose profoundly personal lyrics helped her ride the wave of alternative rock music in the 1990s to achieve popular success and critical acclaim. Her albums include her debut, Tidal (1996), which went multiplatinum in the United States and spawned the

  • McAleese, Mary (president of Ireland)

    Mary McAleese is an Irish politician who was president of Ireland from 1997 to 2011. She was Ireland’s second female president and its first president from Northern Ireland. McAleese was raised on the edge of the nationalist Ardoyne area of Belfast, from which her family was forced to flee in the

  • McAlester (Oklahoma, United States)

    McAlester, city, seat (1907) of Pittsburg county, southeastern Oklahoma, U.S., south of Eufaula Reservoir and Dam and the South Canadian River. It originated as a trading post, built in 1870 by James McAlester (later lieutenant governor of the state) in Choctaw territory at the intersection of the

  • McAlister, R. E. (American evangelist)

    Pentecostalism: The origins of Pentecostalism: R.E. McAlister, following the formula for baptism found in Acts of the Apostles rather than that in the Gospel According to Matthew, taught that water baptism in the early church was not done according to the familiar Trinitarian formula—i.e., in the name of the Father,…

  • McAllen (Texas, United States)

    McAllen, city, Hidalgo county, southern Texas, U.S., in the irrigated lower Rio Grande valley, 7 miles (11 km) from the International Bridge to Reynosa, Mexico, and some 50 miles (80 km) west-northwest of Brownsville. With Edinburg and Pharr, McAllen forms a metropolitan complex. Founded in 1905,

  • McAllister’s Folly (Pennsylvania, United States)

    Hanover, borough (town), York county, southern Pennsylvania, U.S. It lies in the Conewago Creek valley, 20 miles (32 km) southwest of York. Laid out in 1763 by Colonel Richard McAllister, it was incorporated as a borough in 1815 and named for Hanover, Germany. Earlier it had been known as

  • McAllister, Samuel Ward (American lawyer)

    Ward McAllister was a U.S. lawyer and social leader who originated the phrase “the Four Hundred” to designate New York City’s society leaders. McAllister was shortening an invitation list for Mrs. William Astor when he boasted, in 1892, that there were “only about 400 people in New York society.”

  • McAllister, Ward (American lawyer)

    Ward McAllister was a U.S. lawyer and social leader who originated the phrase “the Four Hundred” to designate New York City’s society leaders. McAllister was shortening an invitation list for Mrs. William Astor when he boasted, in 1892, that there were “only about 400 people in New York society.”

  • McAlmon, Robert (American author)

    Robert McAlmon was an American author and publisher and an exemplar of the literary expatriate in Paris during the 1920s. Many of his short stories, however, are based on his own youthful experiences living in small South Dakota towns. McAlmon attended the University of Minnesota for one semester

  • McAlmon, Robert Menzies (American author)

    Robert McAlmon was an American author and publisher and an exemplar of the literary expatriate in Paris during the 1920s. Many of his short stories, however, are based on his own youthful experiences living in small South Dakota towns. McAlmon attended the University of Minnesota for one semester