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Q1951
what percent of kids 15 and under make up the human population
World population
Current projections show a continued increase in population in the near future (but a steady decline in the population growth rate), with the global population expected to reach between 7.5 and 10.5 billion by 2050.
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Q1951
what percent of kids 15 and under make up the human population
World population
Various longer-term estimates predict further growth, stagnation, or even overall decline in the global population by 2150.
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Q1951
what percent of kids 15 and under make up the human population
World population
Some analysts have questioned the sustainability of further world population growth, citing the growing pressures on the environment, global food supplies, and energy resources.
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Q1952
what is a luxeon led
Philips Lumileds Lighting Company
Philips Lumileds Lighting Company is the manufacturer of a wide range of high-power/high-efficiency light-emitting diodes ( LEDs ).
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Q1952
what is a luxeon led
Philips Lumileds Lighting Company
It is a now a fully owned division of Philips Lighting.
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Q1953
What Are Mnemonic Devices
Mnemonic
Knuckle mnemonic for the number of days in each month of the Gregorian Calendar .
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Q1953
What Are Mnemonic Devices
Mnemonic
Each projecting knuckle represents a 31-day month.
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Q1953
What Are Mnemonic Devices
Mnemonic
A mnemonic (, with a silent "m"), or mnemonic device, is any learning technique that aids information retention.
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Q1953
What Are Mnemonic Devices
Mnemonic
Mnemonics aim to translate information into a form that the human brain can retain better than its original form.
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Q1953
What Are Mnemonic Devices
Mnemonic
Even the process of applying this conversion might already aid the transfer of information to long-term memory.
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Q1953
What Are Mnemonic Devices
Mnemonic
Commonly encountered mnemonics are often for lists and in auditory form, such as short poems, acronyms , or memorable phrases, but mnemonics can also be for other types of information and in visual or kinesthetic forms.
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Q1953
What Are Mnemonic Devices
Mnemonic
Their use is based on the observation that the human mind more easily remembers spatial, personal, surprising, physical, sexual, humorous, or otherwise 'relatable' information, rather than more abstract or impersonal forms of information.
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Q1953
What Are Mnemonic Devices
Mnemonic
The word mnemonic is derived from the Ancient Greek word μνημονικός (mnēmonikos), meaning "of memory" and is related to Mnemosyne ("remembrance"), the name of the goddess of memory in Greek mythology .
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Q1953
What Are Mnemonic Devices
Mnemonic
Both of these words are derived from μνήμη (mnēmē), "remembrance, memory".
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Q1953
What Are Mnemonic Devices
Mnemonic
Mnemonics in antiquity were most often considered in the context of what is today known as the Art of memory .
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Q1953
What Are Mnemonic Devices
Mnemonic
Ancient Greeks and Romans distinguished between two types of memory: the 'natural' memory and the 'artificial' memory.
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Q1953
What Are Mnemonic Devices
Mnemonic
The former is inborn, and is the one that everyone uses automatically and without thinking.
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Q1953
What Are Mnemonic Devices
Mnemonic
The artificial memory in contrast has to be trained and developed through the learning and practicing of a variety of mnemonic techniques.
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Q1953
What Are Mnemonic Devices
Mnemonic
Mnemonic systems are special techniques or strategies consciously used to improve memory, it helps employ information already stored in long-term memory to make memorization an easier task.
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Q1954
who passed no child left behind
No Child Left Behind Act
President Bush signing the No Child Left Behind Act at Hamilton H.S. in Hamilton, Ohio .
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Q1954
who passed no child left behind
No Child Left Behind Act
The No Child Left Behind Act of 2001 (NCLB) is a United States Act of Congress that is a reauthorization of the Elementary and Secondary Education Act , which included Title I , the government's flagship aid program for disadvantaged students.
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Q1954
who passed no child left behind
No Child Left Behind Act
NCLB supports standards-based education reform based on the premise that setting high standards and establishing measurable goals can improve individual outcomes in education.
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Q1954
who passed no child left behind
No Child Left Behind Act
The Act requires states to develop assessments in basic skills.
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Q1954
who passed no child left behind
No Child Left Behind Act
States must give these assessments to all students at select grade levels in order to receive federal school funding.
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Q1954
who passed no child left behind
No Child Left Behind Act
The Act does not assert a national achievement standard; standards are set by each individual state.
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Q1954
who passed no child left behind
No Child Left Behind Act
NCLB expanded the federal role in public education through annual testing, annual academic progress, report cards, teacher qualifications, and funding changes.
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Q1954
who passed no child left behind
No Child Left Behind Act
The bill passed in the U.S. Congress with bipartisan support.
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Q1958
what is a wheel well on trucks
Pickup truck
Dodge B Series utility circa 1950, driven by Albert Namatjira
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Q1958
what is a wheel well on trucks
Pickup truck
A pickup truck or pick-up, often simply referred to as a pickup, is a light motor vehicle with an open-top, rear cargo area (bed).
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Q1958
what is a wheel well on trucks
Pickup truck
In North America , the term pickup is used for light trucks with a lighter duty chassis and factory built, integrated bed, as well as for coupé utility vehicles, often based on a personal car chassis, but also often on a special dedicated chassi for such use.
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Q1958
what is a wheel well on trucks
Pickup truck
Some countries have their own terms similar to pickup, such as ute in Australia and New Zealand , or bakkie in South Africa .
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Q1958
what is a wheel well on trucks
Pickup truck
Large pickup trucks are somewhat rare in Europe , where vans and light lorries are commonly used for similar roles.
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Q1959
what kind of transportation was there in the middle ages
Horses in the Middle Ages
This 15th-century depiction of Charlemagne and Pope Adrian I shows a well-bred medieval horse with arched neck, refined head and elegant gait .
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Q1959
what kind of transportation was there in the middle ages
Horses in the Middle Ages
Horses in the Middle Ages differed in size, build and breed from the modern horse , and were, on average, smaller.
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Q1959
what kind of transportation was there in the middle ages
Horses in the Middle Ages
They were also more central to society than their modern counterparts, being essential for war , agriculture , and transport .
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Q1959
what kind of transportation was there in the middle ages
Horses in the Middle Ages
Consequently, specific types of horse developed, many of which have no modern equivalent.
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Q1959
what kind of transportation was there in the middle ages
Horses in the Middle Ages
While an understanding of modern horse breeds and equestrianism is vital for any analysis of the medieval horse, researchers also need to consider documentary (both written and pictorial) and archaeological evidence.
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Q1959
what kind of transportation was there in the middle ages
Horses in the Middle Ages
Horses in the Middle Ages were rarely differentiated by breed, but rather by use.
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Q1959
what kind of transportation was there in the middle ages
Horses in the Middle Ages
This led them to be described, for example, as " chargers " (war horses), " palfreys " (riding horses), cart horses or packhorses .
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Q1959
what kind of transportation was there in the middle ages
Horses in the Middle Ages
Reference is also given to their place of origin, such as "Spanish horses," but whether this referred to one breed or several is unknown.
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Q1959
what kind of transportation was there in the middle ages
Horses in the Middle Ages
Another difficulty arising during any study of medieval documents or literature is the flexibility of the medieval languages, where several words can be used for one thing (or, conversely, several objects are referred to by one word).
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Q1959
what kind of transportation was there in the middle ages
Horses in the Middle Ages
Words such as ' courser ' and 'charger' are used interchangeably (even within one document), and where one epic may speak disparagingly of a rouncey , another praises its skill and swiftness.
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Q1959
what kind of transportation was there in the middle ages
Horses in the Middle Ages
Significant technological advances in equestrian equipment, often introduced from other cultures, allowed for significant changes in both warfare and agriculture.
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Q1959
what kind of transportation was there in the middle ages
Horses in the Middle Ages
In particular, improved designs for the solid-treed saddle as well as the arrival of the stirrup, horseshoe and horse collar were significant advances in medieval society.
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Q1959
what kind of transportation was there in the middle ages
Horses in the Middle Ages
Consequently, the assumptions and theories developed by historians are not definitive, and debate still rages on many issues, such as the breeding or size of the horse, and a number of sources must be consulted in order to understand the breadth of the subject.
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Q1961
what are the songs from the music man
The Music Man
The Music Man is a musical with book, music, and lyrics by Meredith Willson , based on a story by Willson and Franklin Lacey .
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Q1961
what are the songs from the music man
The Music Man
The plot concerns con man Harold Hill, who poses as a boys' band organizer and leader and sells band instruments and uniforms to naive townsfolk before skipping town with the cash.
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Q1961
what are the songs from the music man
The Music Man
In River City, Iowa , prim librarian and piano teacher Marian Paroo sees through him, but when Hill helps her younger brother overcome his fear of social interactions due to his lisp, Marian begins to fall in love with Harold.
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Q1961
what are the songs from the music man
The Music Man
Harold, in turn falling for Marian, risks being caught to win her.
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Q1961
what are the songs from the music man
The Music Man
In 1957, the show became a hit on Broadway , winning five Tony Awards , including Best Musical, and running for 1,375 performances.
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Q1961
what are the songs from the music man
The Music Man
The cast album won the first Grammy Award for "Best Original Cast Album" and was number one on the Billboard charts for 245 weeks.
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Q1961
what are the songs from the music man
The Music Man
The show's success led to revivals and a popular 1962 film adaptation and a 2003 television remake .
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Q1961
what are the songs from the music man
The Music Man
It frequently is produced by both professional and amateur theater companies.
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Q1962
What is a surveyors wheel
Surveyor's wheel
Surveyor's wheel
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Q1962
What is a surveyors wheel
Surveyor's wheel
A surveyor's wheel, also called a clickwheel, hodometer, waywiser, trundle wheel , measuring wheel, or perambulator is a device for measuring distance.
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Q1964
where all deserts once lake
Desert
Largest non-polar deserts
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Q1964
where all deserts once lake
Desert
Sand dunes in the Rub' al Khali ("Empty quarter") of Saudi Arabia .
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Q1964
where all deserts once lake
Desert
Makhtesh Ramon , Negev desert, Israel
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Q1964
where all deserts once lake
Desert
A desert is a landscape or region of land that is very dry because of low rainfall amounts ( precipitation ), often has little coverage by plants, and in which streams dry up unless they are supplied by water from outside areas.
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Q1964
where all deserts once lake
Desert
Deserts can also be described as areas where more water is lost by evapotranspiration than falls as precipitation.
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Q1964
where all deserts once lake
Desert
Desert plants must have special adaptations to survive with this little water.
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Q1964
where all deserts once lake
Desert
Deserts generally receive less than 25 cm of rain ( precipitation ) each year.
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Q1964
where all deserts once lake
Desert
Semideserts or steppes are regions which receive between and .
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Q1964
where all deserts once lake
Desert
In the Köppen climate classification system, deserts are classed as BWh (hot desert) or BWk (temperate desert).
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Q1964
where all deserts once lake
Desert
In the Thornthwaite climate classification system, deserts would be classified as arid megathermal climates.
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Q1965
where did world war 1 start
World War I
World War I (WWI) was a global war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918.
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Q1965
where did world war 1 start
World War I
It was predominantly called the World War or the Great War from its occurrence until the start of World War II in 1939, and the First World War or World War I thereafter.
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Q1965
where did world war 1 start
World War I
It involved all the world's great powers , which were assembled in two opposing alliances: the Allies (based on the Triple Entente of the United Kingdom , France and Russia ) and the Central Powers (originally the Triple Alliance of Germany, Austria-Hungary and Italy ; but, as Austria–Hungary had taken the offensive against the agreement, Italy did not enter into the war).
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Q1965
where did world war 1 start
World War I
These alliances were both reorganised and expanded as more nations entered the war: Italy, Japan and the United States joined the Allies, and the Ottoman Empire and Bulgaria the Central Powers.
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Q1965
where did world war 1 start
World War I
Ultimately, more than 70 million military personnel, including 60 million Europeans, were mobilised in one of the largest wars in history.
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Q1965
where did world war 1 start
World War I
More than 9 million combatants were killed , largely because of technological advancements that led to enormous increases in the lethality of weapons without corresponding improvements in protection or mobility.
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Q1965
where did world war 1 start
World War I
It was the fifth- deadliest conflict in world history, subsequently paving the way for various political changes, such as revolutions in many of the nations involved.
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Q1965
where did world war 1 start
World War I
One of the long-term causes of the war was the resurgence of imperialism in the foreign policies of the great powers of Europe.
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Q1965
where did world war 1 start
World War I
More immediately, the assassination of Archduke Franz Ferdinand of Austria , the heir to the throne of Austria-Hungary, on 28 June 1914 by Yugoslav nationalist Gavrilo Princip in Sarajevo triggered a diplomatic crisis when Austria-Hungary subsequently delivered an ultimatum to the Kingdom of Serbia .
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Q1965
where did world war 1 start
World War I
Several alliances formed over the previous decades were invoked.
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Q1965
where did world war 1 start
World War I
Within weeks, the major powers were at war and, via their colonies, the conflict soon spread around the world.
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Q1965
where did world war 1 start
World War I
On 28 July, the Austro-Hungarians fired the first shots of the war as preparation for the invasion of Serbia .
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Q1965
where did world war 1 start
World War I
While the Russians mobilised, the Germans invaded neutral Belgium and Luxembourg on the way to France, providing a casus belli for Britain's declaration of war against Germany.
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Q1965
where did world war 1 start
World War I
After the German march on Paris was brought to a halt—the so-called Miracle of the Marne —the Western Front settled into a static battle of attrition with a trench line that changed little until 1917.
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Q1965
where did world war 1 start
World War I
On the Eastern Front , the Russian army was successful against the Austro-Hungarians, but was stopped in its invasion of East Prussia by the Germans.
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Q1965
where did world war 1 start
World War I
In November the Ottoman Empire joined the war, opening up fronts in the Caucasus, Mesopotamia and the Sinai.
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Q1965
where did world war 1 start
World War I
Italy and Bulgaria went to war in 1915 and Romania in 1916.
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Q1965
where did world war 1 start
World War I
In Russia, the tsar's government collapsed in March 1917 and a subsequent revolution in November brought the Russians to terms with the Central Powers.
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Q1965
where did world war 1 start
World War I
After a 1918 German offensive along the western front, the Allies drove back the Germans in a series of successful offensives and American forces began entering the trenches.
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Q1965
where did world war 1 start
World War I
Germany, which had its own trouble with revolutionaries , agreed to an armistice on 11 November 1918.
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Q1965
where did world war 1 start
World War I
The war ended in victory for the Allies.
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Q1965
where did world war 1 start
World War I
Events on the home fronts were as tumultuous as on the battle fronts, as the participants tried to mobilize their manpower and economic resources to fight a total war .
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Q1965
where did world war 1 start
World War I
By the end of the war, four major imperial powers—the German , Russian , Austro-Hungarian and Ottoman empires—ceased to exist.
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Q1965
where did world war 1 start
World War I
The successor states of the former two lost a great amount of territory, while the latter two were dismantled entirely.
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Q1965
where did world war 1 start
World War I
The map of central Europe was redrawn into several smaller states.
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Q1965
where did world war 1 start
World War I
The League of Nations was formed in the hope of preventing another such conflict.
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Q1965
where did world war 1 start
World War I
The European nationalism spawned by the war and the breakup of empires, the repercussions of Germany's defeat and problems with the Treaty of Versailles are agreed to be factors contributing to World War II .
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Q1967
what year was girls just want to have fun release
Girls Just Want to Have Fun
"Girls Just Want to Have Fun" is a 1979 song originally written by Robert Hazard and made famous by singer Cyndi Lauper .
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Q1967
what year was girls just want to have fun release
Girls Just Want to Have Fun
It was the first major single released by Lauper as a solo artist and the lead-off single from her debut album She's So Unusual.
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Q1967
what year was girls just want to have fun release
Girls Just Want to Have Fun
Lauper’s version gained recognition as a feminist anthem and promoted by an award-winning video.
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Q1967
what year was girls just want to have fun release
Girls Just Want to Have Fun
It has been covered on either an album or in live concert by over 30 other artists.
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Q1967
what year was girls just want to have fun release
Girls Just Want to Have Fun
The single was Lauper's breakthrough hit, reaching #2 on the Billboard Hot 100 and becoming a worldwide hit throughout late 1983 and early 1984.
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Q1967
what year was girls just want to have fun release
Girls Just Want to Have Fun
It remains one of Lauper's signature songs and was a widely popular song during the era of its release, the 1980s .
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Q1967
what year was girls just want to have fun release
Girls Just Want to Have Fun
The " Rolling Stone & MTV : '100 Greatest Pop Songs': 1-50", "Rolling Stone: "The 100 Top Music Videos"" and the " VH1 : 100 Greatest Videos" lists ranked the song at #22, #39 and #45, respectively.
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Q1967
what year was girls just want to have fun release
Girls Just Want to Have Fun
The song received a Grammy Award nomination for Record of the Year and Best Female Pop Vocal Performance .
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