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Topic Review
Ousia
Ousia (/ˈuːziə, ˈuːsiə, ˈuːʒə, ˈuːʃə/; Ancient Greek:) is an important philosophical and theological term, originally used in ancient Greek philosophy, then later in Christian theology. It was used by various ancient Greek philosophers, like Plato and Aristotle, as a primary designation for philosophical concepts of essence or substance. In contemporary philosophy, it is analogous to English concepts of being and ontic. In Christian theology, the concept of θεία ουσία (divine essence) is one of the most important doctrinal concepts, central to the development of trinitarian doctrine. The Ancient Greek term ousia was translated in Latin as essentia or substantia, and hence in English as essence or substance.
  • 3.1K
  • 10 Oct 2022
Topic Review
Four Sons of Horus
The four sons of Horus were a group of four gods in Egyptian religion, who were essentially the personifications of the four canopic jars, which accompanied mummified bodies. Since the heart was thought to embody the soul, it was left inside the body. The brain was thought only to be the origin of mucus, so it was reduced to liquid, removed with metal hooks, and discarded. This left the stomach (and small intestines), liver, large intestines, and lungs, which were removed, embalmed and stored, each organ in its own jar. There were times when embalmers deviated from this scheme: during the 21st Dynasty they embalmed and wrapped the viscera and returned them to the body, while the Canopic jars remained empty symbols. The earliest reference to the sons of Horus the Elder is found in the Pyramid Texts where they are described as friends of the king, as they assist the king in his ascension to heaven in the eastern sky by means of ladders. Their association with Horus the Elder specifically goes back to the Old Kingdom when they were said not only to be his children but also his souls. As the king, or Pharaoh was seen as a manifestation of, or especially protected by, Horus, these parts of the deceased pharaoh, referred to as the Osiris, were seen as parts of Horus, or rather, his children, an association that did not diminish with each successive pharaoh. Since Horus was their father, so Isis, Horus's original wife in the early mythological phase, was usually seen as their mother, although Hathor was also believed to be their mother, though in the details of the funerary ritual each son, and therefore each canopic jar, was protected by a particular goddess. Others say their mother was Serket, goddess of medicine and magic. Just as the sons of Horus protected the contents of a canopic jar, the king's organs, so they in turn were protected. As they were male in accordance with the principles of male/female duality their protectors were female. The classic depiction of the four sons of Horus on Middle Kingdom coffins show Imsety and Duamutef on the eastern side of the coffin and Hapi and Qebehsenuef on the western side. The eastern side is decorated with a pair of eyes and the mummy was turned on its side to face the east and the rising sun; therefore, this side is sometimes referred to as the front. The sons of Horus also became associated with the cardinal compass points, so that Hapi was the north, Imsety the south, Duamutef the east and Qebehsenuef the west. Their brother was Ihy, son of Hathor. Until the end of the 18th Dynasty the canopic jars had the head of the king, but later they were shown with animal heads. Inscriptions on coffins and sarcophagi from earliest times showed them usually in animal form.
  • 3.1K
  • 25 Oct 2022
Topic Review
Thin Filament Structure and Assembly
The actin containing tropomyosin and troponin decorated thin filaments form one of the crucial components of the contractile apparatus in muscles. The thin filaments are organized into densely packed lattices interdigitated with myosin-based thick filaments. The crossbridge interactions between these myofilaments drive muscle contraction, and the degree of myofilament overlap is a key factor of contractile force determination.
  • 3.1K
  • 18 May 2022
Topic Review
Water Ionizer
A water ionizer (also known as an alkaline ionizer) is a home appliance which claims to raise the pH of drinking water by using electrolysis to separate the incoming water stream into acidic and alkaline components. The alkaline stream of the treated water is called alkaline water. Proponents claim that consumption of alkaline water results in a variety of health benefits, making it similar to the alternative health practice of alkaline diets. Such claims violate basic principles of chemistry and physiology. There is no medical evidence for any health benefits of alkaline water. Extensive scientific evidence has completely debunked these claims. The machines originally became popular in Japan and other East Asian countries before becoming available in the United States and Europe.
  • 3.1K
  • 07 Nov 2022
Topic Review
Institutional Analysis and Development Approach
Institutional Analysis and Development (IAD) is a framework used widely by social scientists to study the effects of institutional arrangements as institutions emerge and change over time. Such a framework would be useful for explaining individuals' operational choices in various collective action settings, including waste recycling.
  • 3.1K
  • 15 Dec 2022
Topic Review
Implementation of Lutetium-177 Therapy
Peptide receptor radionuclide therapy (PRRT) using Lutetium-177 (177Lu) based radiopharmaceuticals has emerged as a therapeutic area in the field of nuclear medicine and oncology, allowing for personalized medicine. Since the first market authorization in 2018 of [¹⁷⁷Lu]Lu-DOTATATE (Lutathera®) targeting somatostatin receptor type 2 in the treatment of gastroenteropancreatic neuroendocrine tumors, intensive research has led to transfer innovative 177Lu containing pharmaceuticals to the clinic.
  • 3.1K
  • 04 May 2023
Topic Review
Constitutive Role of Communication in Organizations
The focal point of the communicative constitution of organizations is that “organization is an effect of communication not its predecessor”. This approach, also referred to as the CCO perspective, posits that "elements of communication, rather than being fixed in advance, are reflexively constituted within the act of communication itself".
  • 3.1K
  • 08 Oct 2022
Topic Review
Civil Marriage Act
The Civil Marriage Act (full title: An Act respecting certain aspects of legal capacity for marriage for civil purposes) (the Act) was legislation legalizing same-sex marriage across Canada. At the time the bill became law, same-sex marriage had already been legalized by court decisions in all Canadian provinces except Alberta and Prince Edward Island, as well as in the territories of Nunavut and the Northwest Territories. It was introduced as Bill C-38 in the first session of the 38th Parliament of Canada on February 1, 2005. It passed the House of Commons on June 28, 2005, and the Senate on July 19, 2005. The Act became law when it received Royal Assent on July 20, 2005. As with all federal legislation in Canada, the Act is written in both French and English, with equal force. The French title is Loi sur le mariage civil, or in full, Loi concernant certaines conditions de fond du mariage civil.
  • 3.1K
  • 04 Nov 2022
Topic Review
Classifications of Routing Protocols in Ad hoc Networks
Wireless Mobile Ad-hoc Networks (WANETs-MANETs) are one of the most in-demand networks in our day and age, being widely used in military fields, disaster environments, autonomous robots, vehicular networks, rural and urban environments, and UAV applications. This is due to the remarkable features of versatility, robustness, and self-configuration with no infrastructure. Such networks' main objective is to deliver reliable data transmission directly to nodes such routers, access points, smartphones, and vehicles with dynamically adjusting the data routes in accordance with the network conditions and GPS information. However, mobility in ad hoc networks is yet the crucial issue due to the dynamic changes of the network topology; this makes data routing a substantial challenge. To this end, choosing or design the proper routing protocol plays important role in establishing robust, secure and efficient data communication for randomly distributed and unrestricted movement of nodes.
  • 3.1K
  • 10 Oct 2023
Topic Review
Outlier Detection
Outlier detection is a statistical procedure that aims to find suspicious events or items that are different from the normal form of a dataset. It has drawn considerable interest in the field of data mining and machine learning. Outlier detection is important in many applications, including fraud detection in credit card transactions and network intrusion detection. There are two general types of outlier detection: global and local. Global outliers fall outside the normal range for an entire dataset, whereas local outliers may fall within the normal range for the entire dataset, but outside the normal range for the surrounding data points. 
  • 3.1K
  • 07 Feb 2021
Topic Review
Sankalpa
Sankalp (Sanskrit: सङ्कल्प) (alternate spellings include: sankalp, samkalpa, sankalpa, sankalpa, saṅkalpa, saṅkalpā) means an intention formed by the heart and mind -- a solemn vow, determination, or will. In practical terms, a Sankalp means a one-pointed resolve to focus both psychologically and philosophically on a specific goal. A sankalp is a tool meant to refine the will, and to focus and harmonize mind and body.
  • 3.1K
  • 20 Oct 2022
Topic Review
Paraphilia
Paraphilia (previously known as sexual perversion and sexual deviation) is the experience of intense sexual arousal to atypical objects, situations, fantasies, behaviors, or individuals. There is no scientific consensus for any precise border between unusual sexual interests and paraphilic ones. There is debate over which, if any, of the paraphilias should be listed in diagnostic manuals, such as the Diagnostic and Statistical Manual of Mental Disorders (DSM) or the International Classification of Diseases (ICD). The number and taxonomy of paraphilia is under debate; one source lists as many as 549 types of paraphilia. The DSM-5 has specific listings for eight paraphilic disorders. Several sub-classifications of the paraphilias have been proposed, and some argue that a fully dimensional, spectrum or complaint-oriented approach would better reflect the evidence.
  • 3.1K
  • 29 Nov 2022
Topic Review
Retinoblastoma Proteins
The Retinoblastoma protein (pRb) is a key cell cycle regulator conserved in a wide variety of organisms. Experimental analysis of pRb’s functions in animals and plants has revealed that this protein participates in cell proliferation and differentiation processes. In addition, pRb in animals and its orthologs in plants (RBR), are part of highly conserved protein complexes which suggest the possibility that analogies exist not only between functions carried out by pRb orthologs themselves, but also in the structure and roles of the protein networks where these proteins are involved.
  • 3.1K
  • 09 Nov 2020
Topic Review Peer Reviewed
Ontologies in Knowledge Organization
Within the knowledge organization systems (KOS) set, the term “ontology” is paradigmatic of the terminological ambiguity in different typologies. Contributing to this situation is the indiscriminate association of the term “ontology”, both as a specific type of KOS and as a process of categorization, due to the interdisciplinary use of the term with different meanings. We present a systematization of the perspectives of different authors of ontologies, as representational artifacts, seeking to contribute to terminological clarification. Focusing the analysis on the intention, semantics and modulation of ontologies, it was possible to notice two broad perspectives regarding ontologies as artifacts that coexist in the knowledge organization systems spectrum. We have ontologies viewed, on the one hand, as an evolution in terms of complexity of traditional conceptual systems, and on the other hand, as a system that organizes ontological rather than epistemological knowledge. The focus of ontological analysis is the item to model and not the intentions that motivate the construction of the system. 
  • 3.1K
  • 13 Apr 2022
Topic Review
Old-Field Secondary Succession
Ecological succession to determine how plant communities re-assemble after a natural or anthropogenic disturbance has always been an important topic in ecology.
  • 3.1K
  • 20 May 2021
Topic Review
Passive Downdraft Cooling Systems in Buildings
Energy demand for active mechanical space cooling is projected to double by 2050. Wider adoption of passive cooling systems can help reduce demand.
  • 3.1K
  • 16 Jun 2023
Topic Review
Solar PV Monitoring
Solar Photovoltaic (PV) energy is a clean, attractive, and secure source of electricity generation. Due to its expanse usage around the globe, the development of an advanced monitoring method is crucial. PV performance can be affected by various environmental factors such as soiling, temperature, irradiance etc. Thus, solar PV accuracy and performance can be improved by employing an efficient solar PV real-time monitoring system. 
  • 3.1K
  • 12 Aug 2021
Topic Review
Tualang Honey
Tualang honey is a wild polyfloral honey produced by Apis dorsata. This honey is named after one of the tallest tropical rainforest trees, the Koompassia excelsa tree (known locally as the Tualang tree), where bees build their hives. The bees collect nectar from plants in the tropical rain forest in the North-eastern region of Peninsular Malaysia in Kedah.
  • 3.1K
  • 25 Feb 2021
Topic Review
Anti-Ro Antibodies and fetal complications
Maternal anti-Ro antibodies present during the fetal period can cause complications ranging from congenital heart block, fetal demise or long-term consequences. The anti-Ro induced autoimmune reaction causes long-term fibrosis and calcification of the conductive tissue. In addition, the CHB injury mechanisms were shown to involve other factors, like fetal susceptibility that increases for every subsequent pregnancy, from a 2% incidence in the case of nulliparous mothers. The predictive value of maternal anti-Ro antibodies for CHB high-risk pregnancy is low, and other markers are lacking, making this condition difficult to efficiently monitor. Moreover, the positive anti-Ro pregnancies do not benefit from a prophylactic treatment or from an efficient therapy once CHB was diagnosed. Thus, new data from ongoing trials are highly expected, to provide both potential biomarkers and therapeutic solutions. This entry illustrates the current understanding of the anti-Ro antibodies associated pathologies, from the perspective of specialists involved in its management, emphasizing key issues, missing links, and possible future directions for an effective interdisciplinary approach.
  • 3.1K
  • 08 Nov 2020
Topic Review
Podophyllotoxin
Podophyllotoxin is an aryltetralin-type lignan isolated from species of Podophyllum. Two most common sources are the rhizomes of Podophyllum peltatum (American mayapple) and Sinopodophyllum hexandrum Royle (Barberry family). The podophyllotoxin extract has been documented for its use as a laxative, and as a remedy for various medical complications such as gonorrhea, tuberculosis, menstrual disorders, psoriasis, dropsy, cough, syphilis and venereal warts.
  • 3.1K
  • 27 Apr 2021
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