99 résultats pour "contributed"
-
Sheep - biology.
fine-wool or crossbred ewes, they are bred to rams of the Down breeds for the production of lambs for meat. The bands may be moved from place to place to takeadvantage of cheap feeds and natural forage. Similar operations are used on lands with developed pastures. If abundant forage is available, the lambs may bemarketed directly after weaning. If the lambs have not reached marketable condition, they may be moved to feedlots and given additional food before they are sold. Some breeders specializ...
-
Quiet Revolution - Canadian History.
in social policy, that the federal government currently administered. Since the provincial government would be administering these programs, it argued that it wouldrequire a much larger share of the taxes paid by Québec residents. During the period of the Quiet Revolution, especially after Lester Pearson became prime minister in 1963, the federal government met some of the Québec demands.The federal government allowed Québec to take over its programs of youth allowances and university loans, and...
-
Infrared Space Observatory - astronomy.
know how often these disks occur around stars to help them understand how common it is for planets to form. ISO found several previously unknown stars with disks.ISO also detected olivine, a silicate mineral found in Earth’s own rocky mantle, in the comet Hale-Bopp, which was visible from Earth in 1996 and 1997. The discovery ofolivine in the comet suggests that the comet and Earth have a similar origin. The satellite also detected the first evidence of water outside of the solar system inplanet...
-
Santa Claus
I
INTRODUCTION
Santa Claus, legendary bringer of gifts at Christmas.
included such details as the names of the reindeer; Santa Claus's laughs, winks, and nods; and the method by which Saint Nicholas, referred to as an elf, returns up thechimney. (Moore's phrase “lays his finger aside of his nose” was drawn directly from Irving's 1809 description.) The American image of Santa Claus was further elaborated by illustrator Thomas Nast, who depicted a rotund Santa for Christmas issues of Harper's magazine from the 1860s to the 1880s. Nast added such details as Santa'...
-
Haitian Slave Revolt.
V EXTERNAL EFFECTS The Haitian revolt and independence had far-reaching effects on the United States, as well as other nearby countries and colonies. During the turmoil, many refugeesfled the island, pouring into seaports in the United States and the colony of Louisiana. These refugees from Saint-Domingue—white planters, mulatto artisans, and someAfrican slaves—brought with them their language, religion, laws, newspapers, education, art, and their skills at growing sugar, all of which strongly...
-
Whitehorse - Geography.
Another issue in Whitehorse is water quality. Bacteria levels in Schwatka Lake, the city’s water source, have increased in recent years due to population growth in areasabove the lake. In addition, the city’s sewage treatment system discharges wastewater into the Yukon River. The level of waste treatment is not adequate, and thesewage poses a health hazard. Whitehorse is presently improving its sewage treatment system. VII HISTORY Whitehorse was founded during the Klondike gold rush of the lat...
-
Ivan IV Vasilyevich
I
INTRODUCTION
Ivan IV Vasilyevich or Ivan the Terrible (1530-1584), grand prince of Muscovy (1533-1584) and the first formally proclaimed tsar of Russia (1547-1584).
That same year Ivan resumed rule over all of Muscovy, much of which was in ruins. But in 1575 he farcically abdicated in favor of a Christianized Tatar, SimeonBekbulatovich, for a year. The tragedies of Ivan's existence were not yet over. In 1582 his daughter-in-law Elena appeared immodestly dressed and Ivan censured her.His son Ivan Ivanovich rose to defend his wife, whereupon the tsar killed his son, his only possible respectable heir. This left as heir Ivan’s feebleminded son Fyodor(reigned 1...
-
Ivan IV Vasilyevich.
That same year Ivan resumed rule over all of Muscovy, much of which was in ruins. But in 1575 he farcically abdicated in favor of a Christianized Tatar, SimeonBekbulatovich, for a year. The tragedies of Ivan's existence were not yet over. In 1582 his daughter-in-law Elena appeared immodestly dressed and Ivan censured her.His son Ivan Ivanovich rose to defend his wife, whereupon the tsar killed his son, his only possible respectable heir. This left as heir Ivan’s feebleminded son Fyodor(reigned 1...
-
-
Art Deco
I
INTRODUCTION
Art Deco Historic District
The Art Deco Historic District is located at the southern end of Miami Beach, Florida.
At the 1925 exposition several French masters unveiled work that created an international stir. Elegant inlaid wood furniture by Jacques Émile Ruhlmann, functionallacquerwork by Jean Dunand, silver jewelry by Jean Puiforcat, and glass vases by Lalique were hailed for their modernity and original lines. Ruhlmann designed a seriesof rooms for the exposition that had a far-reaching effect on American and European taste. Lalique later created a similarly streamlined decorative scheme for theluxuriou...
-
Phoenix (city, Arizona) - geography.
The company’s irrigation system followed the network of canals that were built there by the Hohokam some 500 years earlier. In October 1870, several settlers foundedthe site of modern Phoenix. In recognition of the former Hohokam culture, settler Darrell Duppa likened the new community to the phoenix, a mythological bird thatconsumed itself by fire every 500 years and arose anew from the ashes. Thereafter, the group adopted Phoenix as the settlement’s name. Within a short time the areawas produc...
-
Personality Disorders.
People with histrionic personality disorder constantly strive to be the center of attention. They may act overly flirtatious or dress in ways that draw attention. They may also talk in a dramatic or theatrical style and display exaggerated emotional reactions. F Narcissistic Personality Disorder People with narcissistic personality disorder have a grandiose sense of self-importance. They seek excessive admiration from others and fantasize about unlimited success or power. They believe they...
-
Euthanasia.
permission from the family. B In Other Countries In 1995 the Northern Territory of Australia became the first jurisdiction to explicitly legalize voluntary active euthanasia. However, the federal parliament of Australiaoverturned the law in 1997. In 2001 The Netherlands became the first country to legalize active euthanasia and assisted suicide, formalizing medical practices that thegovernment had tolerated for years. Under the Dutch law, euthanasia is justified (not legally punishable) if the...
-
Silk Road - History.
and high in value because they were carried on the backs of the limited number of camels in each caravan. Thus, of necessity they were luxury items, not bulky rawmaterials or essential goods for daily use. The oases and towns along the route, which were located in or near remote areas, profited from the Silk Road trade and reliedon it for their existence. The great empires of Persia, China, and Rome, however, could easily have survived without the commerce in luxury goods. V SPREAD OF RELIGION A...
-
Shanghai - geography.
language. V EDUCATION AND CULTURE Shanghai is one of China’s leading centers of learning and culture. The metropolitan area is home to more than 40 institutions of higher learning. These include some ofChina’s most famous universities, such as Fudan University (founded in 1905), Tongji University (1907), and the East China Normal University (1951). A large branch ofthe Chinese Academy of Sciences is located in Shanghai, and extensive research is undertaken in areas such as semiconductors, laser...
-
Magnetism
I
INTRODUCTION
Magnetism, an aspect of electromagnetism, one of the fundamental forces of nature.
the French physicist Paul Langevin produced a theory regarding the temperature dependence of the magnetic properties of paramagnets (discussed below), which wasbased on the atomic structure of matter. This theory is an early example of the description of large-scale properties in terms of the properties of electrons and atoms.Langevin's theory was subsequently expanded by the French physicist Pierre Ernst Weiss, who postulated the existence of an internal, “molecular” magnetic field inmaterials...
-
Political Parties.
In both Britain and the United States, competition between political parties undermined traditional conceptions of politics rooted in classical and Christian notions ofvirtue and public service. According to this tradition, political leaders should act according to a model of virtue that involved placing the common good above theinterests of a fraction of the society. Leaders acting to benefit only themselves or a narrow portion of the society were considered corrupt. However, party competitionr...
-
-
Homer
I
INTRODUCTION
Homer
According to tradition, the Greek poet Homer is believed to be the author of the Iliad and the Odyssey, two great epics of
ancient Greek literature.
The Return of OdysseusAfter the Greek warrior Odysseus returns from the Trojan War to his home in Ithaca, he kills the uninvited and unwantedsuitors of his wife, Penelope, who believed him to be dead. Odysseus’s astonishing skill with the bow convinces Penelopethat he is indeed her long-absent husband. This anonymous engraving is of an unknown date.Corbis The Odyssey narrates the return of the Greek hero Odysseus from the Trojan War. The opening scenes depict the disorder that has arisen in Ody...
-
Election.
majority systems usually reduce the number of competitive political parties—for example, the mostly two-party system in the United States. Proportional representation systems boost participation by increasing the value of a vote to smaller or more marginal portions of a national population. In the UnitedStates, plurality or majority systems have reduced the incentive to vote of citizens who do not identify closely with the Democratic or Republican Party. Disillusionmentwith the major parties and...
-
Kolkata - geography.
area, and trains have north-south lines with a few east-west connections. There are two major train terminals: Sealdah in the east central part of Kolkata and Hāoraacross the river from the Central Business District. Electric trams operate in Kolkata proper. The aging buses, trains, and tram cars suffer from overloading, creatinguncomfortable rides. Subway construction started in 1972 and became operational with 7 km (4.3 mi) of line in 1984. By 1995 all of the subway’s 16.4-km (10.2-mi)route fr...
-
Lima (Peru) - geography.
home to a wide range of museums, many focusing on Peru’s indigenous heritage. These include the National Museum of Anthropology and Archaeology, the GoldMuseum of Peru, the Museum of the Central Reserve Bank, and the Rafael Larco Herrera Museum, which specializes in pre-Hispanic ceramics. Art and history museumsare also found in metropolitan Lima, including the National Museum of the Republic, the Museum of Peruvian Culture, and the Museum of the Inquisition, in the buildingwhere colonial Cathol...
-
Belize - country.
Education is compulsory for children between the ages of 5 and 14. Attendance at primary schools was nearly universal in 2002–2003, but only 78 percent of children ofsecondary school age were enrolled in school. Higher education is available at colleges in Belize City and Corozal. The literacy rate of 93 percent is one of the highest inLatin America. C Government Belize is governed under a constitution that became effective at independence in 1981. Belize recognizes the British monarch as its o...
-
Dog.
I
INTRODUCTION
Dog, mammal generally considered to be the first domesticated animal.
French word for butterfly because it has ears that resemble butterfly wings, is a happy, friendly dog, suitable for small living spaces. The final dog group, nonsporting ,includes a wide variety of purebreds that differ in size, coat, overall appearance, and personality, from the shorthaired spotted dalmatian to the curly-haired poodle. V DOG BEHAVIOR Instinctive behaviors of the domestic dog are comparable to those of its wild relatives, the wolf, coyote, fox, and jackal. Unlike trained behavi...
-
Dog - biology.
French word for butterfly because it has ears that resemble butterfly wings, is a happy, friendly dog, suitable for small living spaces. The final dog group, nonsporting ,includes a wide variety of purebreds that differ in size, coat, overall appearance, and personality, from the shorthaired spotted dalmatian to the curly-haired poodle. V DOG BEHAVIOR Instinctive behaviors of the domestic dog are comparable to those of its wild relatives, the wolf, coyote, fox, and jackal. Unlike trained behavi...
-
Cold War.
With this, all the countries of Eastern Europe were under Communist control, and the creation of the Soviet bloc was complete. The events of 1948 contributed to agrowing conviction among political leaders in both the United States and the USSR that the opposing power posed a broad and fundamental threat to their nation’sinterests. The Berlin blockade and the spread of Communism in Europe led to negotiations between Western Europe, Canada, and the United States that resulted in the NorthAtlantic...
-
-
Cold War .
With this, all the countries of Eastern Europe were under Communist control, and the creation of the Soviet bloc was complete. The events of 1948 contributed to agrowing conviction among political leaders in both the United States and the USSR that the opposing power posed a broad and fundamental threat to their nation’sinterests. The Berlin blockade and the spread of Communism in Europe led to negotiations between Western Europe, Canada, and the United States that resulted in the NorthAtlantic...
-
Cold War - U.
With this, all the countries of Eastern Europe were under Communist control, and the creation of the Soviet bloc was complete. The events of 1948 contributed to agrowing conviction among political leaders in both the United States and the USSR that the opposing power posed a broad and fundamental threat to their nation’sinterests. The Berlin blockade and the spread of Communism in Europe led to negotiations between Western Europe, Canada, and the United States that resulted in the NorthAtlantic...
-
Capitalism.
Physiocracy is the term applied to a school of economic thought that suggested the existence of a natural order in economics, one that does not require direction from the state for people to be prosperous. The leader of the physiocrats, the economist François Quesnay, set forth the basic principles in his Tableau économique (1758), in which he traced the flow of money and goods through the economy. Simply put, this flow was seen to be both circular and self-sustaining. More important, however...
-
Indo-Pakistani Wars - History.
wrest Jammu and Kashmīr from India through the use of force. This effort failed as India held its ground, and the war ended in a stalemate after almost two months ofarmed conflict. Although the second war over the territory was shorter than the first, the increased firepower of the two nations resulted in a more deadly war, with atotal of about 6,800 battle casualties. A Events Before the War A number of factors precipitated the second conflict over Jammu and Kashm īr. In the wake of a border w...
-
Spanish-American War.
A Blockade of Cuba The Navy’s basic job was to blockade the island of Cuba. If the Spanish army could be cut off from seaborne supplies from Spain, it could not maintain itself for longagainst the Cuban insurgents, let alone prepare to fight the U.S. forces. To maintain a successful blockade, the U.S. Navy would have to control the sea approaches toCuba. To accomplish this, the United States determined that the Spanish navy had to be destroyed wherever it was found. Thus the U.S. war objectives...
-
British Empire .
B1 The Seven Years’ War During the Seven Years’ War in Europe (1756-1763), Britain made large imperial gains at the expense of France. The North American segment of the Seven Years’ Warwas known as the French and Indian War. It was launched by the British against French possessions in North America in 1754, and in 1758 the British captured theFrench fortress of Louisbourg, which gave them access to French territory in the St. Lawrence Valley. In the following year Québec was captured, marking t...
-
Vladimir Lenin
I
INTRODUCTION
Vladimir Lenin (1870-1924), Russian revolutionary leader and theorist, who presided over the first government of Soviet Russia and then that of the Union of Soviet
Socialist Republics (USSR).
with Japan ( see Russo-Japanese War). A string of military defeats and the strains placed on society by the war made for a tense atmosphere in Saint Petersburg, and by the beginning of 1905 various segments of Russian society, including students and liberal members of the nobility, were calling for political reform. When an unarmedcrowd of workers marched to the city’s Winter Palace on January 9 (or January 22, in the Western, or New Style, calendar) to submit a petition to Emperor Nicholas II,s...
-
Vladimir Lenin.
with Japan ( see Russo-Japanese War). A string of military defeats and the strains placed on society by the war made for a tense atmosphere in Saint Petersburg, and by the beginning of 1905 various segments of Russian society, including students and liberal members of the nobility, were calling for political reform. When an unarmedcrowd of workers marched to the city’s Winter Palace on January 9 (or January 22, in the Western, or New Style, calendar) to submit a petition to Emperor Nicholas II,s...
-
-
Vladimir Lenin .
with Japan ( see Russo-Japanese War). A string of military defeats and the strains placed on society by the war made for a tense atmosphere in Saint Petersburg, and by the beginning of 1905 various segments of Russian society, including students and liberal members of the nobility, were calling for political reform. When an unarmedcrowd of workers marched to the city’s Winter Palace on January 9 (or January 22, in the Western, or New Style, calendar) to submit a petition to Emperor Nicholas II,s...
-
Detroit - geography.
of German and Irish immigrants. In the first half of the 20th century, the percentage of foreign-born residents declined, even though many immigrants arrived fromeastern Europe. During World War II (1939-1945), both whites and blacks were attracted from the South to work in the city’s defense industries. In 1950 foreign-bornand black residents each made up about 16 percent of the total population. In the five decades after 1950, the city lost almost half of its population, as many white resident...
-
Lithuania - country.
pollution. III PEOPLE Ethnic Lithuanians constitute about 80 percent of the country’s population. The proportion of Lithuanians increased slightly in the first years after the dissolution of theSoviet Union—many Lithuanians returned to their homeland from that country and abroad while some Russians, Ukrainians, and Belarusians left the country. Russiansand Poles constitute the country’s largest minority groups, each accounting for roughly 7 percent of the population. Jews were the largest mino...
-
John F.
by the United States, was unable to withstand the advance of Communist forces under Mao Zedong (Mao Tse-tung). By the end of 1949 government troops had beenoverwhelmingly defeated, and Chiang led his forces into exile on Taiwan. The triumphant Mao formed the People’s Republic of China. Truman’s critics, includingKennedy, charged that the administration had failed to support Chiang Kai-shek against the Communists. Kennedy easily won reelection to Congress in 1948 and 1950. In 1952 he decided to r...
-
John F.
by the United States, was unable to withstand the advance of Communist forces under Mao Zedong (Mao Tse-tung). By the end of 1949 government troops had beenoverwhelmingly defeated, and Chiang led his forces into exile on Taiwan. The triumphant Mao formed the People’s Republic of China. Truman’s critics, includingKennedy, charged that the administration had failed to support Chiang Kai-shek against the Communists. Kennedy easily won reelection to Congress in 1948 and 1950. In 1952 he decided to r...
-
History of Chemistry - chemistry.
even better distillation apparatus than the Arabs had made and to condense the more volatile products of distillation. Among the important products obtained in thisway were alcohol and the mineral acids: nitric, aqua regia (a mixture of nitric and hydrochloric), sulfuric, and hydrochloric. Many new reactions could be carried outusing these powerful reagents. Word of the Chinese discovery of nitrates and the manufacture of gunpowder also came to the West through the Arabs. The Chinese atfirst use...
-
Latvia - country.
The population of Latvia is about 2,245,423 (2008 estimate), yielding an average population density of 35 persons per sq km (91 per sq mi). Latvia is highly urbanized.Some 66 percent of the population lives in urban areas, with nearly one-third of the total population residing in the capital, Rīga. Other important cities includeDaugavpils, an industrial center in the southeast, on the Daugava River; Liep āja, an important port on the Baltic Sea; Jelgava, an industrial center near Rîga; J ūrmala,...
-
Yemen - country.
port. Al Ḩudaydah (155,110), in the Tih āmah, is the second largest port. Ta‘izz, (178,043), in the highlands above Aden, is an important commercial and light industrialcenter. Among Yemen’s larger towns are Şa‘dah, far to the north; Dham ār, Yarim, and Ibb, in the middle region; Al Mukall ā, on the southern coast; and in Hadhramaut,the towns of Shib ām, Say‘ ūn, and Tar īm. C Language Nearly all Yemenis speak Arabic. However, the country’s extremely rugged terrain, widely separated population...
-
-
Russian Revolutions of 1917 (Histoire) .
as Marxists. They believed that the working class—with its struggles to organize trade unions and to bring about political reforms of benefit to the majority ofpeople—would become the primary force for revolutionary change. The Russian Marxists formed the Russian Social Democratic Labor Party (RSDLP) in 1898. By 1903,however, the RSDLP had split into two factions. The faction called the Bolsheviks (from the Russian word for “majority”), led by Vladimir Ilich Lenin, favored a more centralized a...
-
Hungary - country.
Northern Hungary lacks sufficient water, especially between July and October, when precipitation levels are typically low. Canals irrigate the Great Hungarian Plain,which is subject to drought. Because of the country’s mainly flat terrain, only limited water resources can be harnessed for hydroelectric power. F Environmental Issues Rapid industrialization in Hungary following World War II contributed significantly to a number of major environmental problems, including air, water, and soil pollu...
-
Thomas Jefferson
I
INTRODUCTION
Thomas Jefferson (1743-1826), third president of the United States (1801-1809) and author of the Declaration of Independence.
Jefferson was a poor speaker, but his literary talents made him a highly valued member of committees when resolutions and other public papers were drafted. Heemerged as the recognized author of the patriot cause in Virginia and indeed in the whole of the colonies. Jefferson's first public paper, however, was considered toostiff and formal, and it was rewritten. The paper was a response to the greeting of the new governor, Lord Botetourt, to the General Assembly. Jefferson, who nevertook criticis...
-
Thomas Jefferson.
Jefferson was a poor speaker, but his literary talents made him a highly valued member of committees when resolutions and other public papers were drafted. Heemerged as the recognized author of the patriot cause in Virginia and indeed in the whole of the colonies. Jefferson's first public paper, however, was considered toostiff and formal, and it was rewritten. The paper was a response to the greeting of the new governor, Lord Botetourt, to the General Assembly. Jefferson, who nevertook criticis...
-
Thomas Jefferson
Jefferson was a poor speaker, but his literary talents made him a highly valued member of committees when resolutions and other public papers were drafted. Heemerged as the recognized author of the patriot cause in Virginia and indeed in the whole of the colonies. Jefferson's first public paper, however, was considered toostiff and formal, and it was rewritten. The paper was a response to the greeting of the new governor, Lord Botetourt, to the General Assembly. Jefferson, who nevertook criticis...
-
Thomas Jefferson - USA History.
Jefferson was a poor speaker, but his literary talents made him a highly valued member of committees when resolutions and other public papers were drafted. Heemerged as the recognized author of the patriot cause in Virginia and indeed in the whole of the colonies. Jefferson's first public paper, however, was considered toostiff and formal, and it was rewritten. The paper was a response to the greeting of the new governor, Lord Botetourt, to the General Assembly. Jefferson, who nevertook criticis...
-
France - country.
In both the Paris and Aquitaine basins, fertile soils derived from limestone and wind-deposited dust, called loess, have supported prosperous agriculture since ancienttimes. Other lowlands in France are scattered and relatively small. They include the Alsace Plain in the east, bordering Germany, the valley of the Rhône River in thesoutheast, and the Languedoc Plain along the Mediterranean coast. A2 Uplands France contains several regions of uplands, the worn down remains of ancient mountain sys...
-
Japan - country.
island’s fertile soils support agriculture and provide the vast majority of Japan’s pasturelands. In addition, Hokkaidō contains coal deposits, and the cold currents off itsshores supply cold-water fish. Winters are long and harsh, so most of Hokkaid ō is lightly settled, housing about 5 percent of Japan’s population on approximately 20 percent of its land area. However,its snowy winters and unspoiled natural beauty attract many skiers and tourists. Hokkaid ō is thought of as Japan’s northern fr...
-
Iran - country.
Zagros mountains. In the more arid central part of the country, wild pistachio and other drought-resistant trees grow in areas that have not been disturbed by humanactivity. Tamarisk and other salt-tolerant bushes grow along the margins of the Dasht-e Kavir. A wide variety of native mammals, reptiles, birds, and insects inhabit Iran. Many species of mammals—including wolves, foxes, bears, mountain goats, red mountainsheep, rabbits, and gerbils—continue to thrive. Others—including Caspian tigers,...