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Topic Review
Medicinal Value of Dandelion
The genus Taraxacum is part of the Asteraceae family of the Cichorioideae subfamily, Lactuceae tribe. This plant's geographical distribution is usually around the warm areas of the Northern Hemisphere and its users have been cherishing it for its curative properties since ancient times. Reports show that traditional medicine practitioners used Taraxacum officinale L. for treating dyspepsia, spleen, liver disorders, hepatitis, and anorexia. Aqueous extracts of dandelion were also used traditionally through Asia, Europe, and North America for treating different types of cancer like leukemia and breast cancer, even if their working mechanisms were unknown. The main reported components of dandelions consist of phenolic acids (chicoric, caffeic, and chlorogenic acids), terpenes (taraxacoside, ainslioside, taraxinic acid), and storage carbohydrates (inulin), which are thought to be accountable for the plant’s health-related properties. This entry is based on a literature review and highlights the beneficial and therapeutic action of dandelion extracts and their confirmed or hypothesized mechanism of action in diabetes, hepatic disorders, and cardiovascular disease, as indicated by the results of in vivo an in vitro studies, on cell lines, human and animal models.
  • 4.1K
  • 10 May 2021
Biography
Ziauddin Sardar
Ziauddin Sardar (Urdu: ضیاء الدین سردار‎; born 31 October 1951) is a British-Pakistani scholar, award-winning writer, cultural critic and public intellectual who specialises in Muslim thought, the future of Islam, futurology and science and cultural relations. The author of more than 50 books,[1] Prospect magazine has named him as one of Britain's top 100 public intellectuals and
  • 4.1K
  • 11 Nov 2022
Topic Review
Void Nucleation in Metals
The research discussed about the development of micro-voids in metals, leading to ductile fracture, associated with plastic deformation, without taking into account the cleavage mechanism. Particular emphasis was placed on the results of observations and experimental studies, the characteristics of the phenomenon itself, without in-depth analysis in the field of widely used FEM modelling. The mechanism of void development as a fracture mechanism is presented. Observations of the nucleation of voids in metals from the turn of the 1950s and 1960s to the present day have been described. The nucleation mechanisms related to the defects of the crystal lattice as well as those resulting from the presence of second phase particles were characterised.
  • 4.1K
  • 08 Oct 2022
Topic Review
Instrumental Temperature Record
The instrumental temperature record provides the temperature of Earth's climate system from the historical network of in situ measurements of surface air temperatures and ocean surface temperatures. Data are collected at thousands of meteorological stations, buoys and ships around the globe. The longest-running temperature record is the Central England temperature data series, which starts in 1659. The longest-running quasi-global record starts in 1850. In recent decades, more extensive sampling of ocean temperatures at various depths allows estimates of ocean heat content, but these samples do not form part of the global surface temperature datasets.
  • 4.1K
  • 25 Nov 2022
Topic Review
Gamification as a Learning Strategy
The use of games for purposes other than mere entertainment dates back to very ancient stages of humanity itself. In the context of education and learning, the interest of researchers for their uses and effects is a more recent character, around the 1970s when Clark Abt coined the term serious game. He defined serious games as “those that have an explicit and carefully thought-out educational purpose and are not intended to be played primarily for amusement. This does not mean that serious games are not, or should not be, entertaining”(p. 27). This means that “the ‘seriousness’ of these games refers to a content that may well be used as teaching material by teachers” (p. 27). However, the interest in the educational use of games grew especially since the early 2000s when some game designers began looking for strategies to transfer the excitement and joy of playing to the real world. In its origin, this process adopted different names as playful or gameful design, but in 2002 Nick Pelling coined the term gamification to refer to the use of the game in contexts other than the game. Thus, a term that originated in the digital media industry was largely adopted in all potential application areas, including education.
  • 4.1K
  • 06 Jan 2022
Topic Review
Integrated Watershed Management
Human activities mostly impact the trend and direction of rainwater, groundwater, and other river basin resources in the watershed in Africa. These activities alter river flows and the quality of usable water supplies at both highlands and lowlands. A watershed is indeed a conserved area of land that collects rain, sleet and snow, and empties or penetrates groundwater sources.
  • 4.1K
  • 26 Jan 2022
Topic Review
Biological Production of Vanillin
Vanillin (4-hydroxy-3-methoxybenzaldehyde), the primary ingredient in vanilla bean or pod extracts, possesses a rich, creamy, and distinctive vanilla smell, which is also one of the most significant aromas in the world. Vanillin can serve as a flavoring agent in the food industry (about 60%), a pharmaceutical intermediate in the pharmaceutical industry (about 7%), and a scent ingredient in the cosmetics sector (about 33%).
  • 4.1K
  • 08 May 2023
Topic Review
Polyphenol Analysis
The analysis of polyphenols can be approached from two main perspectives: by liquid chromatography, which provides the polyphenolic profile, but also allows the quantification of target individual polyphenols, or by spectrophotometric or electrochemical assays, which provide an estimation of the total polyphenol content or the antioxidant capacity.
  • 4.1K
  • 11 Feb 2022
Topic Review
History of South Asian Domes
Islamic rule over northern and central India brought with it the use of domes constructed with stone, brick and mortar, and iron dowels and cramps. Centering was made from timber and bamboo. The use of iron cramps to join together adjacent stones was known in pre-Islamic India, and was used at the base of domes for hoop reinforcement. The synthesis of styles created by this introduction of new forms to the Hindu tradition of trabeate construction created a distinctive architecture. Domes in pre-Mughal India have a standard squat circular shape with a lotus design and bulbous finial at the top, derived from Hindu architecture. Because the Hindu architectural tradition did not include arches, flat corbels were used to transition from the corners of the room to the dome, rather than squinches. In contrast to Persian and Ottoman domes, the domes of Indian tombs tend to be more bulbous.
  • 4.1K
  • 20 Oct 2022
Topic Review
Ochlocracy
Ochlocracy (Greek: ὀχλοκρατία, romanized: okhlokratía; Latin: ochlocratia) or mob rule is the rule of government by a mob or mass of people and the intimidation of legitimate authorities. Insofar as it represents a pejorative for majoritarianism, it is akin to the Latin phrase mobile vulgus, meaning "the fickle crowd", from which the English term "mob" originally was derived in the 1680s. Ochlocracy is synonymous in meaning and usage to the modern, informal term "mobocracy", which arose in the 18th century as a colloquial neologism. Likewise, whilst the ruling mobs in ochlocracies may sometimes genuinely reflect the will of the majority in a manner approximating democracy, ochlocracy is characterized by the absence or impairment of a procedurally civil and democratic process.
  • 4.1K
  • 01 Nov 2022
Biography
Alexander Amini
Alexander Amini (born April 29, 1995) is an American scientist from Dublin, Ireland, currently studying at the Massachusetts Institute of Technology (MIT) in America. He is the first prize winner of the 23rd European Union Contest for Young Scientists and the 47th BT Young Scientist and Technology Exhibition in 2011 at the age of fifteen for his project entitled: “Tennis Sensor Data Analysis:
  • 4.1K
  • 26 Dec 2022
Topic Review
Background on Computing Paradigms
General overview of the different mentioned paradigms needs to be provided in order to be oriented in the computing field. For clarity and consistency, each paradigm is carefully discussed concisely in the oncoming text. The reason for discussing each of these paradigms is to have an overview that will guide the understanding of the research goal for this entry, which is primarily the information security and privacy aspects for each paradigm.
  • 4.1K
  • 25 Feb 2022
Topic Review
Non-Sieving Mechanism
Non-sieving mechanism is a particle removal process in which particles smaller than the membrane pores are captured by adsorption at the pore surface. The non-sieving mechanism plays an important role for charged solute. There are three accepted non-sieving mechanisms: Donnan exclusion, dielectric exclusion, and hydration mechanism.
  • 4.1K
  • 18 Feb 2022
Topic Review Peer Reviewed
Joanna I of Anjou (1343–1382)
Joanna I of Anjou (1325–1382), countess of Provence and the fourth sovereign of the Angevin dynasty in south Italy (since 1343), became the heir to the throne of the Kingdom of Sicily, succeeding her grandfather King Robert “the Wise” (1277–1343). The public and official images of the queen and the “symbolic” representations of her power, commissioned by her or by her entourage, contributed to create a new standard in the cultural references of the Angevin iconographic tradition aiming to assimilate models shared by the European ruling class. In particular, the following works of art and architecture will be analyzed: the queen’s portraits carved on the front slabs of royal sepulchers (namely those of her mother Mary of Valois and of Robert of Anjou) and on the liturgical furnishings in the church of Santa Chiara in Naples; the images painted in numerous illuminated manuscripts, in the chapter house of the friars in the Franciscan convent of Santa Chiara in Naples, in the lunette of the church in the Charterhouse of Capri. The church of the Incoronata in Naples does not show, at the present time, any portrait of the queen or explicit reference to Joanna as a patron. However, it is considered the highest symbolic image of her queenship. 
  • 4.1K
  • 13 Apr 2022
Topic Review
Torino Scale
The Torino scale is a method for categorizing the impact hazard associated with near-Earth objects (NEOs) such as asteroids and comets. It is intended as a communication tool for astronomers and the public to assess the seriousness of collision predictions, by combining probability statistics and known kinetic damage potentials into a single threat value. The Palermo Technical Impact Hazard Scale is a similar, but more complex scale. Near-Earth objects with a Torino scale of 1 pop up every couple of months or so and may last a few weeks until they have a longer observation arc.
  • 4.1K
  • 21 Nov 2022
Topic Review
Right Triangle
A right triangle (American English) or right-angled triangle (British English) is a triangle in which one angle is a right angle (that is, a 90-degree angle). The relation between the sides and angles of a right triangle is the basis for trigonometry. The side opposite the right angle is called the hypotenuse (side c in the figure). The sides adjacent to the right angle are called legs (or catheti, singular: cathetus). Side a may be identified as the side adjacent to angle B and opposed to (or opposite) angle A, while side b is the side adjacent to angle A and opposed to angle B. If the lengths of all three sides of a right triangle are integers, the triangle is said to be a Pythagorean triangle and its side lengths are collectively known as a Pythagorean triple.
  • 4.1K
  • 17 Oct 2022
Topic Review
Springfield Armory XDM
The Springfield Armory XDM (X-Treme Duty, the M is for the match grade barrel and match grade trigger) are a series of semi-automatic pistols that are polymer-framed and striker-fired. They closely resemble their predecessor, the HS2000 pistol (most widely known in the United States as Springfield Armory XD). Manufactured in the city of Karlovac, Croatia by HS Produkt (formerly I.M. Metal), the Springfield Armory XDM is the marketing name for the firearm, which is licensed and sold in the United States by Springfield Armory, Inc..
  • 4.1K
  • 25 Oct 2022
Topic Review
RdRand
RDRAND (previously known as Bull Mountain) is an instruction for returning random numbers from an Intel on-chip hardware random number generator which has been seeded by an on-chip entropy source. RDRAND is available in Ivy Bridge processors[lower-alpha 1] and is part of the Intel 64 and IA-32 instruction set architectures. AMD added support for the instruction in June 2015. The random number generator is compliant with security and cryptographic standards such as NIST SP 800-90A, FIPS 140-2, and ANSI X9.82. Intel also requested Cryptography Research Inc. to review the random number generator in 2012, which resulted in the paper Analysis of Intel's Ivy Bridge Digital Random Number Generator. RDSEED is similar to RDRAND and provides higher level access to the entropy hardware. The RDSEED generator and processor instruction rdseed are available with Intel Broadwell CPUs and AMD Zen CPUs.
  • 4.1K
  • 09 Nov 2022
Topic Review
Stuttering
Stuttering, also known as stammering, is a speech disorder in which the flow of speech is disrupted by involuntary repetitions and prolongations of sounds, syllables, words, or phrases as well as involuntary silent pauses or blocks in which the person who stutters is unable to produce sounds. The term stuttering is most commonly associated with involuntary sound repetition, but it also encompasses the abnormal hesitation or pausing before speech, referred to by people who stutter as blocks, and the prolongation of certain sounds, usually vowels or semivowels. According to Watkins et al., stuttering is a disorder of "selection, initiation, and execution of motor sequences necessary for fluent speech production". For many people who stutter, repetition is the main concern. The term "stuttering" covers a wide range of severity, from barely perceptible impediments that are largely cosmetic to severe symptoms that effectively prevent oral communication. Almost 70 million people worldwide stutter, about 1% of the world's population. The impact of stuttering on a person's functioning and emotional state can be severe. This may include fears of having to enunciate specific vowels or consonants, fears of being caught stuttering in social situations, self-imposed isolation, anxiety, stress, shame, low self-esteem, being a possible target of bullying (especially in children), having to use word substitution and rearrange words in a sentence to hide stuttering, or a feeling of "loss of control" during speech. Stuttering is sometimes popularly seen as a symptom of anxiety, but there is no direct correlation in that direction. Stuttering is generally not a problem with the physical production of speech sounds or putting thoughts into words. Acute nervousness and stress are not thought to cause stuttering, but they can trigger stuttering in people who have the speech disorder, and living with a stigmatized disability can result in anxiety and high allostatic stress load (chronic nervousness and stress) that reduce the amount of acute stress necessary to trigger stuttering in any given person who stutters, worsening the situation in the manner of a positive feedback system; the name 'stuttered speech syndrome' has been proposed for this condition. Neither acute nor chronic stress, however, itself creates any predisposition to stuttering. The disorder is also variable, which means that in certain situations, such as talking on the telephone or in a large group, the stuttering might be more severe or less, depending on whether or not the person who stutters is self-conscious about their stuttering. People who stutter often find that their stuttering fluctuates and that they have "good" days, "bad" days and "stutter-free" days. The times in which their stuttering fluctuates can be random. Although the exact etiology, or cause, of stuttering is unknown, both genetics and neurophysiology are thought to contribute. There are many treatments and speech therapy techniques available that may help decrease speech disfluency in some people who stutter to the point where an untrained ear cannot identify a problem; however, there is essentially no cure for the disorder at present. The severity of the person's stuttering would correspond to the amount of speech therapy needed to decrease disfluency. For severe stuttering, long-term therapy and hard work is required to decrease disfluency.
  • 4.1K
  • 23 Nov 2022
Biography
Sean Hannity
Sean Patrick Hannity (born December 30, 1961) is an American talk show host and conservative political commentator. Hannity is the host of The Sean Hannity Show, a nationally syndicated talk radio show. He also hosts a cable news show, Hannity, on Fox News. He worked as a general contractor, and volunteer talk show host at UC Santa Barbara in 1989. He later joined WVNN in Athens, Alabama, and s
  • 4.1K
  • 22 Nov 2022
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