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Topic Review
Diet Coke and Mentos Eruption
A Diet Coke and Mentos eruption (also known as a soda geyser) is a reaction between the carbonated beverage Diet Coke and Mentos mints that causes the beverage to spray out of its container. The candies catalyze the release of gas from the beverage, which creates an eruption that pushes most of the liquid up and out of the bottle. Lee Marek and "Marek's Kid Scientists" were the first to publicly demonstrate the experiment on the Late Show with David Letterman in 1999. Steve Spangler's televised demonstration of the eruption in 2005 became popular on YouTube, launching a chain of several other Diet Coke and Mentos experiment viral videos.
  • 1.6K
  • 07 Nov 2022
Topic Review
Sexual Racism
Sexual racism is an individual's sexual preference for specific races. It is an inclination towards or against potential sexual or romantic partners on the basis of perceived racial identity. Although discrimination among partners based on perceived racial identity is characterized by some as a form of racism, it is presented as a matter of preference by others. The origins of sexual racism can be explained by looking at its history, especially in the US, where the abolition of slavery and the Reconstruction Era had significant impacts on interracial mixing. Public opinion of interracial marriage and relationships have increased in positivity in the last 50 years. In 1968, 73% of US citizens disapproved of interracial marriage, whereas this figure dropped to 17% by 2007.
  • 1.6K
  • 31 Oct 2022
Topic Review
Classification of Indigenous Peoples of the Americas
Classification of Indigenous peoples of the Americas is based upon cultural regions, geography, and linguistics. Anthropologists have named various cultural regions, with fluid boundaries, that are generally agreed upon with some variation. These cultural regions are broadly based upon the locations of Indigenous peoples of the Americas from early European and African contact beginning in the late 15th century. When Indigenous peoples have been forcibly removed by nation-states, they retain their original geographic classification. Some groups span multiple cultural regions.
  • 1.6K
  • 25 Oct 2022
Biography
Murray Bookchin
Murray Bookchin (January 14, 1921 – July 30, 2006)[1] was an United States social theorist, author, orator, historian, and political philosopher. A pioneer in the ecology movement,[2] Bookchin formulated and developed the theory of social ecology and urban planning, within anarchist, libertarian socialist, and ecological thought. He was the author of two dozen books covering topics in politics
  • 1.5K
  • 30 Dec 2022
Topic Review
Proto-Austronesian
Proto-Austronesian (commonly abbreviated as PAN or PAn) is a proto-language. It is the reconstructed ancestor of the Austronesian languages, one of the world's major language families. Lower-level reconstructions have also been made, and include Proto-Malayo-Polynesian, Proto-Oceanic, and Proto-Polynesian. Recently, linguists such as Malcolm Ross and Andrew Pawley have built large lexicons for Proto-Oceanic and Proto-Polynesian.
  • 1.5K
  • 25 Oct 2022
Topic Review
Greek Old Calendarists
Greek Old Calendarists (Greek: Παλαιοημερολογίτες, Paleoimerologites), sometimes abbreviated as GOC ("Genuine Orthodox Christians"), are groups of Old Calendarist Orthodox Christians that remained committed to the traditional Orthodox practice and are not in communion with many other Orthodox churches such as the Orthodox Church of Greece, the Patriarchate of Constantinople, or the Church of Cyprus. The split began with a disagreement over the abandonment of the traditional church calendar (also called the Julian calendar) in preference to the adoption of the Revised Julian calendar which is similar to the papal Gregorian calendar but will pull ahead by one day in the year 2800 and over other liturgical reforms that were introduced.
  • 1.5K
  • 24 Nov 2022
Topic Review
Thiruvempavai
The Thiruvempavai (Tamil: திருவெம்பாவை, IAST: Tiruvempāvai) are a collection of songs composed by the poet and saint, Manikkavacakar. It consists of 20 stanzas devoted to the Hindu God Shiva. It forms part of the collection called Thiruvasagam, and the 8th book of the Thirumurai, a canonical text of the Tamil Shaiva Siddhanta. The songs form part of the Pavai ritual for unmarried young girls during the Tamil month of Margazhi.
  • 1.5K
  • 14 Oct 2022
Topic Review
English for Specific Purposes
English for Specific Purposes (ESP) is, undeniably, more challenging because it deals with the terms and jargon of the English language for a particular context. For instance, learning medical words in English requires specific vocabulary, which might not be part of common ESL. Despite learning ESL since a young age, most learners still face difficulties grasping the language, even more so for ESP learning.
  • 1.5K
  • 22 Oct 2021
Topic Review
Jujutsu
Jujutsu (/dʒuːˈdʒuːtsuː/ joo-JOOT-soo; Japanese: 柔術, jūjutsu listen (help·info)), also known as Jujitsu or Jiu-Jitsu, is a Japanese martial art and a method of close combat for defeating an armed and armored opponent in which one uses either a short weapon or none.
  • 1.5K
  • 30 Nov 2022
Topic Review
Tirukkuṛaḷ
The Tirukkural (திருக்குறள், literally Sacred Verses), or shortly the Kural, is a classic Tamil language text consisting of 1,330 short couplets of seven words each, or Kurals. The text is divided into three books, each with aphoristic teachings on virtue (aram, dharma), wealth (porul, artha) and love (inbam, kama). Considered one of the greatest works on ethics and morality, it is known for its universality and secular nature. Its authorship is traditionally attributed to Valluvar, also known in full as Thiruvalluvar. The text has been dated variously from 300 BCE to 5th century CE. The traditional accounts describe it as the last work of the third Sangam, but linguistic analysis suggests a later date of 450 to 500 CE and that it was composed after the Sangam period. The Kural is traditionally praised with epithets and alternate titles such as "the Tamil Veda" and "the divine book." It emphasizes non-violence and moral vegetarianism as virtues for an individual.[a] In addition, it highlights truthfulness, self-restraint, gratitude, hospitality, kindness, goodness of wife, duty, giving, and so forth, besides covering a wide range of social and political topics such as king, ministers, taxes, justice, forts, war, greatness of army and soldier's honor, death sentence for the wicked, agriculture, education, abstinence from alcohol and intoxicants. It also includes chapters on friendship, love, sexual union, and domestic life. The Kural has been widely admired by scholars and influential leaders across the ethical, social, political, economical, religious, philosophical, and spiritual spheres over its history. These include Ilango Adigal, Kambar, Leo Tolstoy, Mahatma Gandhi, Albert Schweitzer, Constantius Joseph Beschi, Karl Graul, George Uglow Pope, Alexander Piatigorsky, and Yu Hsi. The text has been translated into at least 40 Indian and non-Indian languages. The Kural is considered a masterpiece and one of the most important texts of the Tamil Literature. The Tamil people and the government of Tamil Nadu have long celebrated and upheld the text with reverence.
  • 1.5K
  • 10 Oct 2022
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