Magic (sometimes referred to as stage or street magic to distinguish it from paranormal or ritual magic) is one of the oldest performing arts in the world in which audiences are entertained by staged tricks or illusions of seemingly impossible or supernatural feats using natural means. These feats are called magic tricks, effects, or illusions.

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Imbued with both remarkable triumph and unprecedented scandal, the legacy of Richard Milhous Nixon is one of the most complex and enduring of all former U.S. Presidents. In this feature-length special, THE HISTORY CHANNEL takes a fresh look at one of America’s most controversial leaders more than thirty years after his infamous resignation.

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Antarctica is Earth's southernmost continent. It contains the geographic South Pole and is situated in the Antarctic region of the Southern Hemisphere, almost entirely south of the Antarctic Circle, and is surrounded by the Southern Ocean. At 14,000,000 square kilometres (5,400,000 square miles), it is the fifth-largest continent. For comparison, Antarctica is nearly twice the size of Australia. About 98% of Antarctica is covered by ice that averages 1.9 km (1.2 mi; 6,200 ft) in thickness,which extends to all but the northernmost reaches of the Antarctic Peninsula.

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Artificial intelligence (AI, also machine intelligence, MI) is apparently intelligent behavior by machines, rather than the natural intelligence (NI) of humans and other animals. In computer science AI research is defined as the study of "intelligent agents": any device that perceives its environment and takes actions that maximize its chance of success at some goal. Colloquially, the term "artificial intelligence" is applied when a machine mimics "cognitive" functions that humans associate with other human minds, such as "learning" and "problem solving".

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A documentary about the 40th President of the United States, taking a closer look at his life from a lifeguard to a radio announcer to an actor, to governor and to president.

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Joseph Vissarionovich Stalin (18 December 1878 – 5 March 1953) was a Georgian-born Soviet revolutionary and political leader. He governed the Soviet Union as its dictator from the mid-1920s until his death in 1953, serving as General Secretary of the Central Committee of the Communist Party of the Soviet Union from 1922 to 1952 and as Premier of the Soviet Union from 1941 to 1953. Ideologically a Marxist and a Leninist, he helped to formalise these ideas as Marxism–Leninism while his own policies became known as Stalinism.

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The Voynich manuscript is an illustrated codex hand-written in an unknown writing system. The vellum on which it is written has been carbon-dated to the early 15th century (1404–1438), and it may have been composed in Northern Italy during the Italian Renaissance. The manuscript is named after Wilfrid Voynich, a Polish book dealer who purchased it in 1912.

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Tasmania is an island state of Australia. It is located 240 km (150 mi) to the south of the Australian mainland, separated by the Bass Strait. The state encompasses the main island of Tasmania, the 26th-largest island in the world, and the surrounding 334 islands. The state has a population of around 519,100 as of June 2016, just over forty percent of which resides in the Greater Hobart precinct, which forms the metropolitan area of the state capital and largest city, Hobart.

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These documentaries are specially chosen to help you improve your vocabulary and listening comprehension skills. The content of this documentary is also the source for in-class conversation, vocabulary practice and structure correction. This documentaries might be an long, but comprise a great deal of topics, vocabulary and structure characteristics.

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The Vietnam War (Vietnamese: Chiến tranh Việt Nam), also known as the Second Indochina War, and known in Vietnam as the Resistance War Against America (Vietnamese: Kháng chiến chống Mỹ) or simply the American War, was a war that occurred in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. It was the second of the Indochina Wars and was officially fought between North Vietnam and the government of South Vietnam. The North Vietnamese army was supported by the Soviet Union, China and other communist allies and the South Vietnamese army was supported by the United States, South Korea, Australia, Thailand and other anti-communist allies. The war is therefore considered a Cold War-era proxy war.

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Marie Skłodowska Curie’s revolutionary research laid the groundwork for our understanding of physics and chemistry, blazing trails in oncology, technology, medicine, and nuclear physics, to name a few. But what did she actually do? Shohini Ghose expounds on some of Marie Skłodowska Curie’s most revolutionary discoveries.

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