444 résultats pour "around"

• Manitoba - Geography.

  E Plant Life Forests cover 66 percent of Manitoba. The main forest area is divided into the boreal forest and the mixed-wood forest. The boreal, or northern, forest containsconiferous (cone-bearing) trees, especially white and black spruce, balsam fir, and jack pine. South of the boreal forest is the mixed-wood forest, which contains conifers as well as such deciduous trees as white birch, aspen, poplar, and Manitoba maple. Prairie land is found in the southwest, where the natural vegetation i...

• Manitoba - Canadian History.

  E Plant Life Forests cover 66 percent of Manitoba. The main forest area is divided into the boreal forest and the mixed-wood forest. The boreal, or northern, forest containsconiferous (cone-bearing) trees, especially white and black spruce, balsam fir, and jack pine. South of the boreal forest is the mixed-wood forest, which contains conifers as well as such deciduous trees as white birch, aspen, poplar, and Manitoba maple. Prairie land is found in the southwest, where the natural vegetation i...

• Advertising.

  Advertising agencies make money in a variety of ways. When the agency uses the client’s advertising budget to buy time for an ad on the radio or on television or whenit buys space for an ad in a newspaper or magazine, the media outlet allows the agency to keep 15 percent of the cost of the space or the time as a commission. The15 percent commission has become an advertising industry standard and usually accounts for the largest portion of the agency’s income. Agencies also charge clientsfor the...

• Basketball.

  rebound. Play continues as the teams score and possession changes. A time-out, when the game is stopped for a certain amount of time, allows coaches to instructplayers or to develop a new game strategy. A Offense Playing offense is perhaps the most prominent part of playing basketball, as it allows players to demonstrate and improve upon individual skills necessary to beingsuccessful. Many of basketball's best players have exceptional talents on offense. Basic offensive skills are passing, ball...

• Africa - history.

  Africa’s other major mountainous regions occur at the northern and southern fringes of the continent. The Atlas Mountains, a system of high ranges, extend for 2,200 km(1,400 mi) across Morocco, Algeria, and Tunisia, roughly parallel to the northern coast. These ranges enclose a number of broad inland basins and plateaus. In the west, theHigh (or Grand) Atlas contains Toubkal (4,165 m/ 13,665 ft), the highest peak of the system. Toward the east, the Atlas consists of two parallel ranges: the Tell...

• Africa.

  The highest elevations in Africa are found in the various ranges of East Africa. After Kilimanjaro, the next highest peaks are Mount Kenya (5,199 m/17,057 ft), north ofKilimanjaro in central Kenya; Margherita Peak (5,109 m/ 16,762 ft) in the Ruwenzori Range on the border between Uganda and the Democratic Republic of the Congo(DRC); Ras Dashen (4,620 m/ 15,157 ft) in the Ethiopian Highlands of northern Ethiopia; Mount Meru (4,565 m/ 14,977 ft), close to Kilimanjaro in Tanzania; and MountElgon (4,...

• North Dakota - geography.

  Bismarck, the growing season averages 134 days, as the average date of the last killing frost is May 11 and that of the first killing frost is September 22. The length ofthe growing season drops to about 110 days in the northerly reaches of the state. The long periods of summer sunshine at this latitude, providing as much as 16 hoursof daylight in summer, help crops to mature quickly, thus compensating somewhat for the relatively short growing season. Temperatures in the north are, on the averag...

• North Dakota - USA History.

  Bismarck, the growing season averages 134 days, as the average date of the last killing frost is May 11 and that of the first killing frost is September 22. The length ofthe growing season drops to about 110 days in the northerly reaches of the state. The long periods of summer sunshine at this latitude, providing as much as 16 hoursof daylight in summer, help crops to mature quickly, thus compensating somewhat for the relatively short growing season. Temperatures in the north are, on the averag...

• Railroads.

  III GAUGES The gauge of track is the distance between the inner edges of the rails at points 1.59 cm (0.626 in) below the top of the heads. In the United States, Canada, theUnited Kingdom, Mexico, Norway, Sweden, and much of continental Europe, the standard gauge is 143.51 cm (56.5 in). Why this measurement became the standard isa matter of speculation. Probably the tradition is inherited from early tramroads built to accommodate wagons with axles 1.5 m (5 ft) long; some of the early edge rail...

• Greece - country.

  minerals, such as chromium, copper, uranium, and magnesium, are relatively small. Greece’s small petroleum deposits, located under the Aegean Sea near the island ofThásos, are rapidly being depleted. There are no significant reserves of natural gas. Greece’s forests, probably abundant in ancient times, have been significantly depleted. Subsequent soil erosion has made reforestation efforts difficult. Although muchof Greece’s soil is rocky and dry, the country’s mountains are interspersed with sm...

• Intelligence.

  education. Teachers had no way of knowing which of the “slow” students had true learning problems and which simply had behavioral problems or poor prior education.In 1904 the French Ministry of Public Instruction asked Binet and others to develop a method to objectively identify children who would have difficulty with formaleducation. Objectivity was important so that conclusions about a child’s potential for learning would not be influenced by any biases of the examiner. The governmenthoped tha...

• Mardi Gras.

  tourists to New Orleans from around the world. Today Mardi Gras draws more than 3 million people to parades and generates approximately $1 billion for the localeconomy. Contributed By:Brent LanfordMicrosoft ® Encarta ® 2009. © 1993-2008 Microsoft Corporation. All rights reserved.

• Lions.

  since ancient times. They have also hunted the animals lions need for food. In many places, people havedestroyed the areas where lions lived by building towns, roads, and farms. There are about 100,000 lions left in the world. Only a few hundred Asian lions live in India. Most lionslive on game reserves in Africa. Thousands of lions also live in zoos and circuses around the world. Microsoft ® Encarta ® 2009. © 1993-2008 Microsoft Corporation. All rights reserved.

• Keino Outdistances American Runner Jim Ryun.

  Jipcho, who later apologized to Ryun, echoed the American's sentiments in an interview for the Olympic Series. “It was unfair to people like Jim Ryun, to Tümmler, and probably to me. I feel Jim Ryun would have won the gold medal. But because of the whole thing, it destroyed almost everybody,” Jipcho said in a documentary. Immediately following the race, Keino denied that such a strategy existed. “[We] had no plan at all,” he told the New York Times. “I knew Jim Ryun to have a fast kick i...

• Artificial Satellite - astronomy.

  The first stage of a multistage rocket consists of rocket engines that provide a huge amount of force, or thrust. The first stage lifts the entire launch vehicle—with itsload of fuel, the rocket body, and the satellite—off the launch pad and into the first part of the flight. After its engines use all their fuel, the first stage portion of therocket separates from the rest of the launch vehicle and falls to Earth. The second stage then ignites, providing the energy necessary to lift the satellit...

• mean? Over." "Well, they always seem to run out. Everyone's

  I could hearherkissing herfingers andthen blowing. 4. Buckminster 3. Mom I blew herakiss back. 2. Grandma "Over andout," oneofus said. 1. Dad We need much bigger pockets, Ithought asIlay inbed, counting offthe seven minutes thatittakes anormal personto fall asleep. Weneed enormous pockets,pocketsbigenough forour families, andourfriends, andeven thepeople who aren't onour lists, people we'venevermetbutstill want toprotect. Weneed pockets forboroughs andforcities, a pocket thatcould holdtheunivers...

• Gehrig Bids Farewell.

  “We want Lou! We want Lou!” the crowd chanted. The emcee looked over to Gehrig. Gehrig slowly shook his head from side to side. Workers began removing thesound equipment. Gehrig headed for the dugout but then turned around. McCarthy said something to him, which the New York Times lip-read as, “Come on, Lou, just rap out another.” Gehrig held up his hand to get the crowd's attention, swallowed hard, and forced a smile. Fiddling with his cap and scratching at the turf with his cleats, he spo...

• On the road

• Butcher Wins the Iditarod.

  Butcher's winning streak ended in 1989 when she finished in second place, 65 minutes behind Joe Runyan. She was back on top a year later, gliding down FrontStreet two hours ahead of Runyan. A boisterous crowd of Nome locals greeted Butcher with sirens and banners. Her time of 11 days 1 hour 53 minutes sliced 13hours off the course record she had set in 1986. Conditions for the 1990 race were particularly unforgiving. The 70 mushers contended with the deepest snow in 25 years, several unseaso...

• Venice (Italy) - geography.

  acknowledge Venetian supremacy. Wars of conquest enabled Venice to acquire neighboring territories, and by the late 15th century, the city-state was the leadingmaritime power in the Christian world. The beginning of Turkish invasions in the middle of the 15th century marked the end of Venetian greatness. Thereafter, faced with attacks by foreign invaders andother Italian states, its power faded, and the discovery of a sea route to the Indies around the Cape of Good Hope by the Portuguese navigat...

• Bear - biology.

  programs sponsored by zoos or other breeding centers have attempted to breed giant pandas in captivity, although most of these programs have proved unsuccessful.Among the difficulties faced by captive breeders has been the problem of encouraging a female giant panda to mate with a selected male during the two to three daysof the year when she is most fertile, a period known as estrus. B Spectacled Bear Creamy-white rings surrounding the eyes give the spectacled bear its name. Its shaggy coat of...

• Midnighters

• Congo (river) - Geography.

  region as Portuguese territory, leaving a marble shaft on the riverbank as proof of his discovery. To Europeans the river became known as the Rio de Padrão (Pillar River). The Kongo king welcomed Cam and subsequent Portuguese explorers and established friendly trading relations with the Portuguese. More than 300 yearselapsed before serious exploration of the Congo was undertaken. Francisco José de Lacerda, a Portuguese explorer, reached the copper-rich Katanga region from the east in 1798, as...

• Electricity I INTRODUCTION Electricity, one of the basic forms of energy.

  electrons in the neutral object are attracted to the positive object. Some of these electrons flow to the side of the neutral object that is nearest to the positive object.This side of the neutral object accumulates electrons and becomes negatively charged. Because electrons leave the far side of the neutral object while its protonsremain stationary, that side becomes positively charged. Since the negatively charged side of the neutral object is closest to the positive object, the attraction bet...

• The Beatles I INTRODUCTION Beatlemania BBC Worldwide Americas, Inc.

  more sophisticated lyrical ideas. The group’s next album, Rubber Soul (1965), is regarded as a creative breakthrough. It featured instruments innovative to Western pop/rock music, such as the Indian sitar, and experimental sounds. The Revolver album (1966) was another important advance in songwriting and musical craftsmanship for the band. IV LATER YEARS AND BREAKUP The pressures caused by the group’s extreme popularity—known as Beatlemania—resulted in safety problems for the group, especi...

• Arctic - geography.

  B Rivers and Lakes Low precipitation is characteristic of the Arctic, so large and elaborate river and lake systems are rare. In many places, however, permafrost (permanently frozen subsoil)restricts the downward drainage of meltwater from snow, and the water accumulates on the surface as shallow lakes, ponds, and marshes. In addition, rivers from morehumid regions flow seaward across the dry Arctic terrain. Several large rivers are in the Russian Arctic, and the Mackenzie and Yukon rivers are...

• Arthur Miller I INTRODUCTION Arthur Miller American playwright Arthur Miller began writing plays while a student at the University of Michigan.

  devoted his life to the pursuit of “success.” His misguided philosophy has ruined the lives of his wife and two sons. When Loman is too old to travel, he loses his job. In aseries of scenes, brilliantly dramatized by the playwright, Loman relives his experiences. Eventually his mind begins to fail, and he commits suicide. Although Miller generally wrote in a realistic style ( see Realism), much of Death of a Salesman is conveyed expressionistically ( see Expressionism) through Willy Loman’s mi...

• Lifehack

• From "Song of Myself" - anthology.

  Till that becomes unseen and receives proof in its turn.Showing the best and dividing it from the worst age vexes age,Knowing the perfect fitness and equanimity of things, while they discuss I am silent, and go bathe and admire myself.Welcome is every organ and attribute of me, and of any man hearty and clean,Not an inch nor a particle of an inch is vile, and none shall be less familiar than the rest.I am satisfied—I see, dance, laugh, sing;As the hugging and loving bed-fellow sleeps at my side...

• Poker.

  After the ante and the initial deal, the first round of betting starts with the player to the left of the dealer. This bettor can check (make no bet), make a bet, or fold. To stay in the game, subsequent bettors must call (match the current bet) or raise (increase the total bet). A round of betting ends when no player makes a further bet or a set limit of turns around the table has been reached. In the next round of betting, the player to the left of the bettor that started the last round o...

• A SIMPLE SOLUTION TO AN IMPOSSIBLE PROBLEM   The day after the renter and I dug up Dad's grave, I went to Mr.

  longer feltlike Iwas moving inthe direction ofDad. I'mnot even sureIbelieved inthe lock anymore. The lastBlack Ivisited wasPeter. Helived inSugar Hill,which isin Hamilton Heights,whichisin Harlem. Aman wassitting on the stoop whenIwalked uptothe house. Hehad alittle baby onhis knee, whohewas talking to,even though babies don't understand language,obviously. "AreyouPeter Black?" "Who'sasking?" "OskarSchell." Hepatted thestep, which meant Icould sitnext tohim ifIwanted, whichIthought wasnice, butI...

• Killer Whale - biology.

  V REPRODUCTION Mating occurs more often among killer whales of different pods to avoid inbreeding within pods. About 16 to 18 months after mating, females give birth to a single calf.Newborn calves weigh about 200 kg (440 lb) and are about 2.5 m (8 ft) long. Mothers nurse their calf for 14 to 18 months, although mothers continue to be protectiveof their young long after the offspring have been weaned. Scientists do not know how long killer whales live in the wild. Scientists estimate that male...

• Cobra (snake) - biology.

  Most cobras prey on small rodents or other small mammals. They also eat birds, snakes, lizards, frogs, toads, insects, and even eggs. Water cobras catch fish and kingcobras specialize in eating other snakes. Similar to other venomous snakes, cobras use venom to subdue their prey before swallowing it whole, generally head first. Thevenom may contain substances that also break down the prey for digestion. Despite their potent venom and dramatic threat displays, cobras are hunted and eaten by a num...

• Mfecane.

  The Kololo, a Sotho people, entered the same region in the early 1820s after being driven from their homeland south of the Vaal River by the Ngwane-Hlubi wars. In1823 the Kololo clashed with the Griqua and turned north into the Kalahari Desert. They eventually crossed the Zambezi and finally settled in what is now westernZambia after overthrowing the powerful Lozi Kingdom in 1840. D Founding of the Sotho Nation The Ngwane-Hlubi wars also drove loosely organized Sotho communities north into the...

• Jaguar (animal) - biology.

  scientists have speculated that the jaguar’s robust canine teeth and enormously powerful bite developed specifically to pierce the armor of these reptiles. After killing a large animal, a jaguar will usually drag the carcass into dense cover before beginning to eat. If the kill is made in an open area, jaguars often drag theirprey for considerable distances. On one occasion, a jaguar killed a cow on the edge of a river and swam 790 m (2,600 ft) across the river carrying the cow. Unlike the other...

• Human Evolution.

  Strepsirhines are the most primitive types of living primates. The last common ancestors of strepsirhines and other mammals—creatures similar to tree shrews andclassified as Plesiadapiformes—evolved at least 65 million years ago. The earliest primates evolved by about 55 million years ago, and fossil species similar to lemursevolved during the Eocene Epoch (about 55 million to 38 million years ago). Strepsirhines share all of the basic characteristics of primates, although their brains are notpa...

• Human Evolution - biology.

  classified as Plesiadapiformes—evolved at least 65 million years ago. The earliest primates evolved by about 55 million years ago, and fossil species similar to lemursevolved during the Eocene Epoch (about 55 million to 38 million years ago). Strepsirhines share all of the basic characteristics of primates, although their brains are notparticularly large or complex and they have a more elaborate and sensitive olfactory system (sense of smell) than do other primates. B Haplorhines B1 Tarsiers T...

• Atom - chemistry.

  Atoms have several properties that help distinguish one type of atom from another and determine how atoms change under certain conditions. A Atomic Number Each element has a unique number of protons in its atoms. This number is called the atomic number (abbreviated Z). Because atoms are normally electrically neutral,the atomic number also specifies how many electrons an atom will have. The number of electrons, in turn, determines many of the chemical and physical properties ofthe atom. The ligh...

• Neutron I INTRODUCTION Neutron, electrically neutral elementary particle that is part of the nucleus of the atom.

  Beta DecayBeta decay can occur in two ways. As shown on the left, a neutron turns into a proton by emitting an antineutrino and anegatively charged beta particle. As shown on the right, a proton turns into a neutron by emitting a neutrino and apositively charged beta particle. Positive beta particles are called positrons and negative beta particles are called electrons.After the decay, the nucleus of the atom contains either one less or one more proton. Beta decay changes an atom of oneelement i...

• In-Line Skating.

  the foot using a combination of laces and buckles. Many skaters prefer a simple closure system that has laces on the lower portion of the skate and a buckle at the top.The boot liner is made of a soft, padded, cloth portion that fits inside the outer shell. Boot liners should be vented, which keeps the feet cool by allowing perspiration toescape during strenuous workouts or long trips. Attached to the bottom of each skate is the wheel frame. The frame houses from three to five wheels. The wheels...

• London (England) - geography.

  D The East End and Docklands The East End, beyond the City of London and the Tower, has long been the home of London’s docks and immigrants. It has frequently been characterized by slums, poverty,and crime. This is the area where the notorious criminal Jack the Ripper prowled. Some portions, such as Bethnal Green, were slums during the Victorian period. Manypoorer immigrants and working-class Londoners still reside in the East End, but its weekend street markets are very popular, especially Pet...

• Atom I INTRODUCTION Water Molecule A water molecule consists of an oxygen atom and two hydrogen atoms, which are attached at an angle of 105°.

  spontaneously break apart and change, or decay, into other atoms. Unlike electrons, which are fundamental particles, protons and neutrons are made up of other, smaller particles called quarks. Physicists know of six different quarks.Neutrons and protons are made up of up quarks and down quarks —two of the six different kinds of quarks. The fanciful names of quarks have nothing to do with their properties; the names are simply labels to distinguish one quark from another. Quarks are unique amo...

• Royal Canadian Mounted Police.

  Perry declared prohibition unenforceable and canceled the policing contracts for the two provinces. The strength of the force dwindled further as its members wererecruited into the military. Many, including Perry, believed it would not last into peacetime. VI EXPANSION TO A NATIONAL ROLE After the war Newton W. Rowell, a federal cabinet minister, was sent across western Canada to assess the future of the Mounties. The options were either to eliminatethe North-West Mounted Police or to expand i...

• Salt Lake City - geography.

  adding a runway to the city’s airport. V GOVERNMENT Salt Lake City is governed by a mayor and a seven-member council, which is presided over by a chair. Voters elect each of these officials to four-year terms. Salt LakeCounty is governed by a county mayor elected to a four-year term and a nine-member county council. Council members—six elected from districts and three elected at-large—serve terms ranging from two to six years. The Utah Transit Authority, located in Salt Lake City, oversees publ...

• Portland - geography.

  Garden arena, which opened in 1995. In 2000 the Portland Fire, an expansion Women's National Basketball Association team, began play in the Rose Garden as well. VI ECONOMY Portland enjoys a diversified economy. Major manufactured products include paper, transportation equipment, metal products, sportswear, and electronic componentsand equipment. Major corporations headquartered in the metropolitan region include Nike, a leader in the manufacture of sports footwear, in Beaverton; Louisiana-Paci...

• Hippopotamus - biology.

  hippo backs up to its droppings and uses its tail as a paddle, flicking the dung through the air. This creates a pile that can become several meters wide over time. Male river hippos start to establish territories when they are in their early 20s, and they may eventually control more than 250 m (820 ft) of the water's edge.Subordinate males come and go freely, but a rival male will spark a confrontation if it tries to intrude. The territory owner and intruder face each other open-mouthedand, if...

• Antigua and Barbuda - country.

  The monetary unit of Antigua and Barbuda is the East Caribbean (EC) dollar of 100 cents (2.70 East Caribbean dollars equal U.S.$1, a fixed rate since 1976). VI ENVIRONMENTAL CONCERNS The growth of the tourist industry has created some environmental problems, including uncontrolled disposal of sewage from hotels on the beach. Hotel developmentalso threatens the Antiguan mangrove trees. Water management is another major area of concern because of limited natural freshwater resources. Coral reefs...

• Photosynthesis - biology.

  P680 in Photosystem II is now electron deficient because it has donated electrons to P700 in Photosystem I. P680 electrons are replenished by the water that has beenabsorbed by the plant roots and transported to the chloroplasts in the leaves. The movement of electrons in Photosystems I and II and the action of an enzyme split thewater into oxygen, hydrogen ions, and electrons. The electrons from water flow to Photosystem II, replacing the electrons lost by P680. Some of the hydrogen ions maybe...

• Mount Everest - geography.

  endangered or killed when their tents collapsed or were ripped to shreds by the gales. Hypothermia, the dramatic loss of body heat, is also a major and debilitatingproblem in this region of high winds and low temperatures. Another hazard facing Everest climbers is the famous Khumbu icefall, which is located not far above Base Camp and is caused by the rapid movement of the Khumbuglacier over the steep rock underneath. The movement breaks the ice into sérac (large, pointed masses of ice) cliffs...

• Tuberculosis.

  TB has existed for thousands of years. Scars on a skull found in Turkey indicate the presence of the disease 500,000 years ago. Scientists also have found tubercles inmummified bodies from ancient Egypt. References to TB can be found in the writings of ancient Babylonia, Egypt, and China. The term tuberculosis was first used in 1839; it was derived from the Latin word tubercula, meaning small lump, referring to the small scars seen in tissues of infected individuals. TB reappeared in Europe...