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Topic Review
Short Code
Short codes, or short numbers, are short digit sequences, significantly shorter than telephone numbers, that are used to address messages in the Multimedia Messaging System (MMS) and short message service (SMS) systems of mobile network operators. In addition to messaging, they may be used in abbreviated dialing. Short codes are designed to be easier to read and remember than telephone numbers. Short codes are unique to each operator at the technological level. Even so, providers generally have agreements to avoid overlaps. In some countries, such as the United States, some classes of numbers are inter-operator (used by multiple providers or carriers, U.S. inter-operator numbers are called common short codes). Short codes are widely used for value-added services such as charity donations, mobile services, ordering ringtones, and television program voting. Messages sent to a short code can be billed at a higher rate than a standard SMS and may even subscribe a customer to a recurring monthly service that will be added to the customer's mobile phone bill until the user texts, for example, the word "STOP" to terminate the service.
  • 3.2K
  • 10 Nov 2022
Topic Review
Doom WAD
Doom WAD is the default format of package files for the video game Doom and its sequel Doom II: Hell on Earth, that contain sprites, levels, and game data. WAD stands for Where's All the Data? Immediately after its release in 1993, Doom attracted a sizeable following of players who created their own mods for WAD files—packages containing levels, graphics, and other game data—and played a vital part in spawning the mod-making culture which is now commonplace for first-person shooter games. Thousands of WADs have been created for Doom, ranging from single custom levels to full original games; most of these can be freely downloaded over the Internet. Several WADs have also been released commercially, and for some people the WAD-making hobby became a gateway to a professional career as a level designer. There are two types of WADs: IWADs (internal WADs) and PWADs (patch WADs). IWADs contain the data necessary to load the game, while PWADs contain additional data, such as new character sprites, as necessary for custom levels.
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  • 13 Oct 2022
Topic Review
Public Health Evolution in Liberia
Over the past two centuries since its independence in 1847, Liberia has made significant progress in building an integrated public health system designed to serve its population. Despite a prolonged period of civil conflict (1990–2003) and the emergence of the 2014–2016 Ebola Virus Disease (EVD) that crippled its already weakened health system, Liberia was able to re-emerge, making significant strides and gains in rebuilding and strengthening its health infrastructure and systems. Lessons learnt from the EVD epidemic have led to developments such as the newly established National Public Health Institute of Liberia (NPHIL) and several tertiary public health institutions to meet the growing demands of a skilled workforce equipped to combat existing and emerging health problems and/crisis, including informing the more recent COVID-19 response.
  • 3.2K
  • 29 Dec 2022
Topic Review
Hypobaric Hypoxia and Heart
Under hypobaric hypoxia contidition, the principal impact on humans is due to the low atmospheric pressure  and the subsequent proportional decrease in partial oxygen pressure (PO2)  in the inspired air, generating a reduction in the bioavailability of oxygen in organs, tissues and cells at high altitude.
  • 3.2K
  • 27 Oct 2020
Topic Review
Pathophysiological Mechanisms of Antipsychotic-Induced Parkinsonism
Among neurological adverse drug reactions (ADRs) in patients with schizophrenia treated with antipsychotics (APs), drug-induced parkinsonism (DIP) is the most common motility disorder caused by drugs affecting dopamine receptors. One of the causes of DIP is the disruption of neurotransmitter interactions that regulate the signaling pathways of the dopaminergic, cholinergic, GABAergic, adenosinergic, endocannabinoid, and other neurotransmitter systems.
  • 3.2K
  • 26 Aug 2022
Topic Review
Advancements and Challenges in Handwritten Text Recognition
Handwritten Text Recognition (HTR) involves automatically transforming a source’s handwritten text within a digital image into its machine text representation.
  • 3.2K
  • 07 Mar 2024
Topic Review
Islamic Funeral
Funerals in Islam (called Janazah in Arabic) follow fairly specific rites, though they are subject to regional interpretation and variation in custom. In all cases, however, sharia (Islamic religious law) calls for burial of the body as soon as possible, preceded by a simple ritual involving bathing and shrouding the body, followed by salah (prayer). Burial is usual within 24 hours of death to protect the living from any sanitary issues, except in the case of a person killed in battle or when foul play is suspected; in those cases it is important to determine cause of death before burial. Cremation of the body is forbidden.
  • 3.2K
  • 09 Nov 2022
Topic Review
Saros
The saros (/ˈsɛərɒs/ (listen)) is a period of exactly 223 synodic months, approximately 6585.3211 days, or 18 years, 10, 11, or 12 days (depending on the number of leap years), and 8 hours, that can be used to predict eclipses of the Sun and Moon. One saros period after an eclipse, the Sun, Earth, and Moon return to approximately the same relative geometry, a near straight line, and a nearly identical eclipse will occur, in what is referred to as an eclipse cycle. A sar is one half of a saros. A series of eclipses that are separated by one saros is called a saros series. It corresponds to: The 19 eclipse years means that if there is a solar eclipse (or lunar eclipse), then after one saros a new moon will take place at the same node of the orbit of the Moon, and under these circumstances another eclipse can occur.
  • 3.2K
  • 22 Nov 2022
Topic Review
List of Landforms
Landforms are categorised by characteristic physical attributes such as elevation, slope, orientation, rock exposure, and soil type.
  • 3.2K
  • 04 Nov 2022
Topic Review
List of Notable Security Hacking Incidents
The timeline of computer security hacker history covers important and noteworthy events in the history of security hacking and cracking.
  • 3.2K
  • 25 Oct 2022
Topic Review
Astrophotography
Astrophotography, also known as astronomical imaging, is the photography or imaging of astronomical objects, celestial events, or areas of the night sky. The first photograph of an astronomical object (the Moon) was taken in 1840, but it was not until the late 19th century that advances in technology allowed for detailed stellar photography. Besides being able to record the details of extended objects such as the Moon, Sun, and planets, modern astrophotography has the ability to image objects invisible to the human eye such as dim stars, nebulae, and galaxies. This is done by long time exposure since both film and digital cameras can accumulate and sum photons over these long periods of time. Photography using extended exposure-times revolutionized the field of professional astronomical research, recording hundreds of thousands of new stars, and nebulae invisible to the human eye. Specialized and ever-larger optical telescopes were constructed as essentially big cameras to record images on photographic plates. Astrophotography had an early role in sky surveys and star classification but over time it has given way to more sophisticated equipment and techniques designed for specific fields of scientific research, with image sensors becoming just one of many forms of sensor. Today, astrophotography is mostly a subdiscipline in amateur astronomy, usually seeking aesthetically pleasing images rather than scientific data. Amateurs use a wide range of special equipment and techniques.
  • 3.2K
  • 22 Nov 2022
Topic Review
Lories and Lorikeets
Lories and lorikeets (tribe Loriini) are small to medium-sized arboreal parrots characterized by their specialized brush-tipped tongues for feeding on nectar of various blossoms and soft fruits, preferably berries. The species form a monophyletic group within the parrot family Psittacidae. Traditionally, they were considered a separate subfamily (Loriinae) from the other subfamily (Psittacinae) based on the specialized characteristics, but recent molecular and morphological studies show that the group is positioned in the middle of various other groups. They are widely distributed throughout the Australasian region, including south-eastern Asia, Polynesia, Papua New Guinea, Timor Leste and Australia , and the majority have very brightly coloured plumage.
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  • 21 Oct 2022
Topic Review
Clinical Manifestations of Arthropod Bites
Arthropod blood feeders are vectors of several human pathogenic agents, including viruses (e.g., yellow fever, chikungunya, dengue fever), parasites (e.g., malaria, leishmaniasis, lymphatic filariasis...), or bacteria (e.g., plague...). Besides their role as a vector of pathogens, their biting activities cause a nuisance to humans. We document herein, clinical symptoms associated with the biting of ten clusters of hematophagous arthropods, including mosquitoes, biting midges and sandflies, lice, ticks, tsetse flies, blackflies, horse flies, fleas, triatomine and bed bugs. Within the framework of clinical history and entomo-epidemiological information, we propose a  discriminative key that can be helpful for practicing physicians in identifying hematophagous arthropods biting humans and delivering treatment for the associated clinical disorders.
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  • 04 Jun 2020
Topic Review
Wild Edible Plants in India
Despite significant evidence base on quantifying ecosystem services, the role of biodiversity in supporting such services in diversified landscapes, and how indigenous communities exploit, utilize and manage plant resources in a biocultural regime, remains understudied.  A sum total of 172 WEPs comprising 60 vegetables, 70 fruits, seeds and nuts, 23 underground tubers and 19 mushrooms were collected, consumed, and surplus were marketed by the communities. On average, the number of wild edibles collected annually by households were in the following quantities: 40–240 kg leafy vegetables, 125–386 kg flowers, 120–250 kg fruits, 12–125 kg legumes, 24–120 kg tubers, 5–35 kg mushrooms. Among ethnic groups, the Baiga primitive community utilized 70–90% followed by Gonds (58–81%), Kols (52–78%), Oraons (43–79%), and other communities (38–68%) in different zones. WEPs have contributed to 5–24% (Rs 3559- 12,710) of household income, which was highest in the core zone and lowest in the transition zone. It was observed that WEPs were complemented the diets rather than being a substitute for staple foods. They supplied only 3.7–8.3% of energy and 1.1–4.9% protein requirements; however, they significantly supplemented ascorbic acid, thiamine, calcium, and iron by 38.1–73%, 13.7–35.4%, 17.2–29.1%, 2.6–13.5%, respectively. Significantly higher quantities of nutrients were supplemented in the core zone compared to other zones. WEPs were currently underutilized (less intake) especially in buffer and transition zones, complementing the staple foods and partially supplementing the essential macro- and micro-nutrients. However, these have the potential to fulfill the dietary needs and ensure balanced nutrition, if consumed in recommended portions and sizes.
  • 3.2K
  • 14 Jan 2022
Topic Review
Nutrition Composition and Bioactivity of Mangrove Fruit Extract
Mangroves are halophile plants with vital economic and ecological services. Some mangrove fruits are edible and contain treasury compounds with ethnomedicinal properties. The levels of primary metabolites such as carbohydrates, protein, and fat within mangrove fruit are acceptable for daily intake. The mangrove fruits are rich in phenolic compounds, limonoids, and their derivatives, as the compounds show antimicrobial, anticancer, and antioxidant activity.
  • 3.2K
  • 13 May 2022
Topic Review
Phage ImmunoPrecipitation Sequencing (PhIP-Seq)
Phage ImmunoPrecipitation Sequencing (PhIP-Seq) is a serological technology that is revolutionizing the manner in which we track antibody profiles. It is an antigen-specific antibody detection assay that is high throughput, highly sensitive, and mega-plexable (i.e., ability of plexing over a large number of different peptides).
  • 3.2K
  • 06 Jun 2022
Topic Review
Behavioral Strategy
Behavioral strategy strategy refers to the application of insights from psychology and behavioral economics to the research and practice of strategic management. In one definition of the field, “Behavioral strategy merges cognitive and social psychology with strategic management theory and practice. Behavioral strategy aims to bring realistic assumptions about human cognition, emotions, and social behavior to the strategic management of organizations and, thereby, to enrich strategy theory, empirical research, and real-world practice” (Powell, Lovallo & Fox, 2011: 1371).
  • 3.2K
  • 14 Oct 2022
Topic Review
Farnsworth-Munsell 100 Hue Test
The Farnsworth-Munsell 100 Hue Color Vision test is a test of the human visual system often used to test for color blindness. The system was developed by Dean Farnsworth in the 1940s and it tests the ability to isolate and arrange minute differences in various color targets with constant value and chroma that cover all the visual hues described by the Munsell color system. There are several variations of the test, one featuring 100 color hues and one featuring 15 color hues. Originally taken in an analog environment with physical hue tiles, the test is now taken from computer consoles. An accurate quantification of color vision accuracy is particularly important to designers, photographers and colorists, who all rely on accurate color vision to produce quality content.
  • 3.2K
  • 01 Dec 2022
Topic Review
Geiger-Marsden Experiments
The Geiger–Marsden experiments (also called the Rutherford gold foil experiment) were a landmark series of experiments by which scientists learned that every atom has a nucleus where all of its positive charge and most of its mass is concentrated. They deduced this after measuring how an alpha particle beam is scattered when it strikes a thin metal foil. The experiments were performed between 1908 and 1913 by Hans Geiger and Ernest Marsden under the direction of Ernest Rutherford at the Physical Laboratories of the University of Manchester.
  • 3.2K
  • 25 Oct 2022
Topic Review
Cardiolipin
Cardiolipin (IUPAC name 1,3-bis(sn-3’-phosphatidyl)-sn-glycerol) is an important component of the inner mitochondrial membrane, where it constitutes about 20% of the total lipid composition. It can also be found in the membranes of most bacteria. The name "cardiolipin" is derived from the fact that it was first found in animal hearts. It was first isolated from beef heart in the early 1940s. In mammalian cells, but also in plant cells, cardiolipin (CL) is found almost exclusively in the inner mitochondrial membrane, where it is essential for the optimal function of numerous enzymes that are involved in mitochondrial energy metabolism.
  • 3.2K
  • 28 Sep 2022
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