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Attachment theory
Attachment theory describes the dynamics of long-term relationships between humans. Its most important tenet is that an infant needs to develop a relationship with at least one primary caregiver for social and emotional development to occur normally. Attachment theory is an interdisciplinary study encompassing the fields of psychological, evolutionary, and ethological theory

Attack on Pearl Harbor
The attack on Pearl Harbor was a surprise military strike conducted by the Imperial Japanese Navy against the United States naval base at Pearl Harbor, Hawaii, on the morning of December 7, 1941

Attacus atlas
The Atlas moth is a large saturniid moth found in the tropical and subtropical forests of Southeast Asia, and common across the Malay archipelago.

Attahiru Bafarawa
Alhaji Attahiru Dalhatu Bafarawa was governor of Sokoto State in Nigeria from 29 May 1999 to 29 May 2007.-Early career:He was a local government councillor in charge of Education

Attempts to assassinate Mahatma Gandhi
Mohandas Karamchand Gandhi was assassinated on 30 January 1948, shot at point-blank range by Nathuram Godse. Since 1934, there had been five unsuccessful attempts to kill Gandhi. Gandhi was outside on the steps of a building where a prayer meeting was going to take place

Attention (disambiguation)
Attention is the mental process involved in attending to other objects.Attention may also refer to:-In psychology and neuroscience:* Attention seeking, behavior which is intended to attract attention from others

Attention span
Attention span is the amount of time that a person can concentrate on a task without becoming distracted. Most educators and psychologists agree that the ability to focus one's attention on a task is crucial for the achievement of one's goals.

Attention-deficit hyperactivity disorder
Attention deficit hyperactivity disorder is a developmental disorder. It is primarily characterized by "the co-existence of attentional problems and hyperactivity, with each behavior occurring infrequently alone" and symptoms starting before seven years of age.ADHD is the most commonly studied and diagnosed psychiatric disorder in children,

Attenuation Distortion
Attenuation distortion is the distortion of an analog signal that occurs during transmission when the transmission medium does not have a flat frequency response across the bandwidth of the medium or the frequency spectrum of the signal.

Atterberg Limits
The Atterberg limits are a basic measure of the nature of a fine-grained soil. Depending on the water content of the soil, it may appear in four states: solid, semi-solid, plastic and liquid. In each state the consistency and behavior of a soil is different and thus so are its engineering properties

Attica Prison riots
The Attica Prison riot occurred at the Attica Correctional Facility in Attica, New York, United States in 1971. The riot was based in part upon prisoners' demands for better living conditions

Attila the Hun
Attila , more frequently referred to as Attila the Hun, was the ruler of the Huns from 434 until his death in 453. He was leader of the Hunnic Empire, which stretched from the Ural River to the Rhine River and from the Danube River to the Baltic Sea. During his reign he was one of the most feared enemies of the Western and Eastern Roman Empires

Attitude
-Science and engineering:* Attitude as orientation of a geometric figure, such as a line, plane or rigid body* Attitude as strike or dip of a layer of rock in geology* Attitude of a wing or aircraft relative to airflow

Attitude (psychology)
An attitude is a hypothetical construct that represents an individual's degree of like or dislike for something. Attitudes are generally positive or negative views of a person, place, thing, or event— this is often referred to as the attitude object

Attitude indicator
An attitude indicator , also known as gyro horizon or artificial horizon, is an instrument used in an aircraft to inform the pilot of the orientation of the aircraft relative to earth. It indicates pitch and bank or roll and is a primary instrument for flight in instrument meteorological conditions

Attorney General
In most common law jurisdictions, the attorney general, or attorney-general, is the main legal advisor to the government, and in some jurisdictions he or she may also have executive responsibility for law enforcement or responsibility for public prosecutions.The term is used to refer to any person who holds a general power of attorney to represent a principal in all matters

Attu Island
Attu is the westernmost and largest island in the Near Islands group of the Aleutian Islands of Alaska, making it the westernmost point of land relative to Alaska and the United States. It was the site of the only World War II land battle fought on the incorporated territory of the United States , and its battlefield area is a U.S

Atul Gawande
Atul Gawande is an American physician and journalist. He serves as a general and endocrine surgeon at Brigham and Women's Hospital in Boston, Massachusetts and associate director of their Center for Surgery and Public Health

Atum
Atum, sometimes rendered as Atem or Tem, is an important deity in Egyptian mythology.- Name :Atum's name is thought to be derived from the word 'tem' which means to complete or finish. Thus he has been interpreted as being the 'complete one' and also the finisher of the world, which he returns to watery chaos at the end of the creative cycle

ATV Turkey
atv is a nationwide TV channel in Turkey, founded in 1993. atv is one of the most widely watched TV channels in Turkey. atv is an acronym of Actual Television.Since 2007 atv is owned by Çalık Holding.- Shows :News Programming* atv Ana Haber

Aubrey de Grey
Aubrey David Nicholas Jasper de Grey is an English author and theoretician in the field of gerontology, and the Chief Science Officer of the SENS Foundation. He is editor-in-chief of the academic journal Rejuvenation Research, author of The Mitochondrial Free Radical Theory of Aging and co-author of Ending Aging

Aubrey Independent School District
Aubrey Independent School District is a public school district based in Aubrey, Texas .In addition to Aubrey, the district also serves the city of Krugerville and a portion of Cross Roads.

Auburn Prison
Auburn Correctional Facility is a state prison located on State Street in Auburn, New York, built on land that was once a Cayuga Indian Village. It is classified as a maximum security facility.

Auburn Tigers football
Only Mohamed Amin Abughadir set the record with 1,890 yards in 1 season. He was the QB for Auburn in 1998.The Auburn Tigers football team represents Auburn University in college football as a member of the NCAA Division I Football Bowl Subdivision, competing in the Western Division of the Southeastern Conference

Auburn University
Auburn University is a public university located in Auburn, Alabama, United States. With more than 25,000 students and 1,200 faculty members, it is one of the largest universities in the state. Auburn was chartered on February 7, 1856, as the East Alabama Male College, a private liberal arts school affiliated with the Methodist Episcopal Church, South

Auburn University Chapel
The Auburn University Chapel is the second-oldest building and oldest building in its original location on the campus of Auburn University in Auburn, Alabama. The chapel was built in 1851 as a Presbyterian church in the Greek Revival style

Auburn, California
Auburn is the county seat of Placer County, California. Its population at the 2010 census was 13,330. Auburn is known for its California Gold Rush history.Auburn is part of the Greater Sacramento area.- History :

Auburn, Indiana
Auburn is a city in DeKalb County, Indiana, United States. The population was 13,086 at the 2010 census. Founded in 1836 by Wesley Park , the city is the county seat of DeKalb County. Auburn is also known as Home of the Classics.-Geography:

Auburn, Maine
Auburn is a city in and the county seat of Androscoggin County, Maine, United States. The population was 23,055 at the 2010 census. It is one of two principal cities of and included in the Lewiston-Auburn, Maine metropolitan New England city and town area and the Lewiston-Auburn, Maine metropolitan statistical area Auburn is a city in and the county seat of Androscoggin County, Maine, United States. The population was 23,055 at the 2010 census. It is one of two principal cities of and included in the Lewiston-Auburn, Maine metropolitan New England city and town area and the Lewiston-Auburn, Maine metropolitan statistical area Auburn is a city in and the county seat of Androscoggin County, Maine, United States. The population was 23,055 at the 2010 census. It is one of two principal cities of and included in the Lewiston-Auburn, Maine metropolitan New England city and town area and the Lewiston-Auburn, Maine metropolitan statistical area (which is part of the Portland-Lewiston-South Portland, Maine combined

Auburn, New York
Auburn is a city in Cayuga County, New York, United States of America. As of the 2010 census, the city had a population of 27,687

Auckland University of Technology
The Auckland University of Technology is a university in New Zealand. It was formed on 1 January 2000 when the Auckland Institute of Technology was granted university status. Its primary campus is on Wellesley Street in Auckland's Central business district

Aud (ship)
Aud was the cover name of a German ship, Libau, that carried arms to Ireland as part of the preparation for the Easter Rising in Ireland in 1916.-Introduction:

Audemars Piguet
Audemars Piguet is a manufacturer of prestige Swiss watches which compete with Patek Philippe, Jaeger-LeCoultre and Vacheron Constantin.-Foundation:

Audi 100
The restyled C2 Audi 100 was launched in 1976, with an in-line five-cylinder engine

Audi 80
The Audi 80 is a compact executive car produced by the German car manufacturer Audi, from 1966 to 1996. It shared its platform with the Volkswagen Passat from 1973 to 1986 and was available as a saloon car/sedan, and an Avant

Audi A3
The Audi A3 is a small family car produced by the German automaker Audi since 1996. Two generations of A3 exist, both based on the Volkswagen Group A platform, which they share with several other models such as the Audi TT, Volkswagen Golf, Volkswagen Caddy and Volkswagen Touran as well as SEAT León, SEAT Toledo and Škoda Octavia.- First generation :The

Audie Murphy
Audie Leon Murphy was a highly decorated and famous soldier. Through LIFE magazine's July 16, 1945 issue , he became one the most famous soldiers of World War II and widely regarded as the most decorated American soldier of the war

Audio amplifier
An audio amplifier is an electronic amplifier that amplifies low-power audio signals to a level suitable for driving loudspeakers and is the final stage in a typical audio playback chain.The preceding stages in such a chain are low power audio amplifiers which perform tasks like pre-amplification,

Audio book
An audiobook or audio book is a recording of a text being read. It is not necessarily an exact audio version of a book or magazine.Spoken audio has been available in schools and public libraries and to a lesser extent in music shops since the 1930s. Many spoken word albums were made prior to the age of videocassettes, DVDs, and compact discs, often of plays rather than books

Audio Bullys
Audio Bullys are an electronic music group from London, consisting of Simon Franks and Tom Dinsdale. The group were once managed by DJ and presenter George Lamb.

Audio engineering
An audio engineer, also called audio technician, audio technologist or sound technician, is a specialist in a skilled trade that deals with the use of machinery and equipment for the recording, mixing and reproduction of sounds. The field draws on many artistic and vocational areas, including electronics, acoustics, psychoacoustics, and music

Audition
An audition is a sample performance by an actor, singer, musician, dancer or other performing artist.Audition may also refer to:* The sense of hearing* Adobe Audition, audio editing software

Auditory system
The auditory system is the sensory system for the sense of hearing.- Outer ear :The folds of cartilage surrounding the ear canal are called the pinna

Audre Lorde
Audre Lorde was a Caribbean-American writer, poet and activist.-Life:

Audubon's Warbler
The Audubon's Warbler, Dendroica coronata auduboni, is a small New World warbler.This passerine bird was long known to be closely related to its eastern counterpart, the Myrtle Warbler, and at various times the two forms have been classed as separate species or grouped as the Yellow-rumped Warbler, Dendroica coronata

Auf Wiedersehen, Pet
Auf Wiedersehen, Pet is a British comedy-drama television programme about seven English migrant construction workers. In the first series, the men live and work on a building site in Düsseldorf.

Aufbau principle
The Aufbau principle is used to determine the electron configuration of an atom, molecule or ion. The principle postulates a hypothetical process in which an atom is "built up" by progressively adding electrons

Aufruf
Aufruf , which in Yiddish, means "calling up", is the Jewish custom of a groom being called up in the synagogue for an aliyah, i.e., recitation of a blessing over the Torah

Augmented reality
Augmented reality is a live, direct or indirect, view of a physical, real-world environment whose elements are augmented by computer-generated sensory input such as sound, video, graphics or GPS data. It is related to a more general concept called mediated reality, in which a view of reality is modified by a computer

August Sander
August Sander was a German portrait and documentary photographer. Sander's first book Face of our Time was published in 1929

August Weismann
Friedrich Leopold August Weismann was a German evolutionary biologist. Ernst Mayr ranked him the second most notable evolutionary theorist of the 19th century, after Charles Darwin

Augusta Military Academy
The Augusta Military Academy was a secondary education military academy in Fort Defiance, Augusta County, Virginia, USA. The school was established in 1865 by Confederate Veteran Charles Roller as the Augusta Male Academy and formally became a military academy in 1880. It combined classical studies with a military curriculum and was officially named Augusta Military Academy in 1890

Auguste Comte
Isidore Auguste Marie François Xavier Comte , better known as Auguste Comte , was a French philosopher, a founder of the discipline of sociology and of the doctrine of positivism

Auguste Rodin
François-Auguste-René Rodin , known as Auguste Rodin , was a French sculptor. Although Rodin is generally considered the progenitor of modern sculpture, he did not set out to rebel against the past

Augustine of Canterbury
Augustine of Canterbury was a Benedictine monk who became the first Archbishop of Canterbury in the year 597

Augusto Crespin
Augusto Crespin was born in El Salvador, in July 1956. Studied ink drawing and painting for about five years in the Academy of Valero Lecha from 1969 to 1973; engraving with Japanese master Futaba Ando in the Centro de Artes de El Salvador in 1975; further studies engraving with Japanese masters Hodaka Yoshido and Futaba Ando in the University of Costa Rica in 1981.Crespin has

Augustus
Augustus ;23 September 63 BC – 19 August AD 14) is considered the first emperor of the Roman Empire, which he ruled alone from 27 BC until his death in 14 AD.The dates of his rule are contemporary dates; Augustus lived under two calendars, the Roman Republican until 45 BC, and the Julian after 45 BC

Augustus Gregory
Sir Augustus Charles Gregory KCMG. was an English-born Australian explorer. Between 1846 and 1858 he undertook four major expeditions.-Early years:

Augustus Harris
Sir Augustus Henry Glossop Harris , was a British actor, impresario, and dramatist.-Early life:Harris was born in Paris, France, the son of Augustus Glossop Harris , who was also a dramatist, and his wife, née Maria Ann Bone, a theatrical costumier

Augustus Vincent Tack
Augustus Vincent Tack was an American painter of portraits, landscapes and abstractions.-Early years:Tack was born in Pittsburgh, Pennsylvania and moved with his family to New York in 1883. After graduating from St. Francis Xavier College in New York City in 1890, Tack studied at the Art Students League of New York until 1895

Aulos
An aulos or tibia was an ancient Greek wind instrument, depicted often in art and also attested by archaeology.An aulete was the musician who performed on an aulos

Aulularia
Aulularia is a Latin play by the early Roman playwright Titus Maccius Plautus. The title has been translated as The Pot of Gold, and the plot revolves around a literal pot of gold that the miserly protagonist, Euclio, guards zealously

Aulus Gellius
Aulus Gellius , was a Latin author and grammarian, who was probably born and certainly brought up in Rome. He was educated in Athens, after which he returned to Rome, where he held a judicial office

Aum
Om or Aum Om or Aum Om or Aum (also , written in Devanāgari as and as , in Sanskrit known as (lit. "to sound out loudly"), ', or ' (also as ') (lit. "Auṃ form/syllable"), is a sacred/mystical syllable in the Dharmic or Indian religions, i.e

Aura (satellite)
Aura is a multi-national NASA scientific research satellite in orbit around the Earth, studying the Earth's ozone layer, air quality and climate. It is the third major component of the Earth Observing System following on Terra and Aqua

Auramine-rhodamine stain
The auramine-rhodamine stain , also known as the Truant auramine-rhodamine stain, is a histological technique used to visualize acid-fast bacilli using fluorescence microscopy, notably species in the Mycobacterium genus. Acid-fast organisms display a reddish-yellow fluorescence. Although the auramine-rhodamine stain is not as specific for acid-fast organisms The auramine-rhodamine stain (AR), also known as the Truant auramine-rhodamine stain, is a histological technique used to visualize acid-fast bacilli using fluorescence microscopy, notably species in the Mycobacterium genus. Acid-fast organisms display a reddish-yellow fluorescence. Although the auramine-rhodamine stain is not as specific for acid-fast organisms The auramine-rhodamine stain (AR), also known as the Truant auramine-rhodamine stain, is a histological technique used to visualize acid-fast bacilli using fluorescence microscopy, notably species in the Mycobacterium genus. Acid-fast organisms display a reddish-yellow fluorescence. Although the auramine-rhodamine stain is not as specific for acid-fast organisms (i.e

Aurangzeb
Abul Muzaffar Muhy-ud-Din Muhammad Aurangzeb Alamgir , more commonly known as Aurangzeb or by his chosen imperial title Alamgir , was the sixth Mughal Emperor of India, whose reign lasted from 1658 until his death in 1707.Badshah Aurangzeb, having ruled most of the Indian subcontinent for nearly half a century, was the second longest reigning

Aureliano Pertile
Aureliano Pertile was an Italian lyric-dramatic tenor. He is considered to have been one of the most exciting operatic artists of the inter-war period, and one of the most important tenors of the entire 20th century.- Life and career :Pertile was born in Montagnana, Northern Italy, 18 days after the birth of another celebrated

Aureus
The aureus was a gold coin of ancient Rome valued at 25 silver denarii. The aureus was regularly issued from the 1st century BC to the beginning of the 4th century, when it was replaced by the solidus

Auricon
Auricon cameras are 16 mm film Single system sound-on-film motion picture cameras. Designed to be portable, the camera preceded ENG video cameras as the main AV tool of television news gathering