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Nanotechnology

Nanotechnology, also shortened to nanotech, is the use of matter on an atomic, molecular, and supramolecular scale for industrial purposes. The earliest, widespread description of nanotechnology referred to the particular technological goal of precisely manipulating atoms and molecules for fabrication of macroscale products, also now referred to as molecular nanotechnology. A more generalized description of nanotechnology was subsequently established by the National Nanotechnology Initiative, which defined nanotechnology as the manipulation of matter with at least one dimension sized from 1 to 100 nanometers. This definition reflects the fact that quantum mechanical effects are important at this quantum-realm scale, and so the definition shifted from a particular technological goal to a research category inclusive of all types of research and technologies that deal with the special properties of matter which occur below the given size threshold. It is therefore common to see the plural form “nanotechnologies” as well as “nanoscale technologies” to refer to the broad range of research and applications whose common trait is size.

Nanotechnology as defined by size is naturally broad, including fields of science as diverse as surface science, organic chemistry, molecular biology, semiconductor physics, energy storage, engineering, microfabrication and molecular engineering. The associated research and applications are equally diverse, ranging from extensions of conventional device physics to completely new approaches based upon molecular self-assembly from developing new materials with dimensions on the nanoscale to direct control of matter on the atomic scale.

Scientists currently debate the future implications of nanotechnology. Nanotechnology may be able to create many new materials and devices with a vast range of applications, such as in nanomedicine, nanoelectronics, biomaterials energy production, and consumer products. On the other hand, nanotechnology raises many of the same issues as any new technology, including concerns about the toxicity and environmental impact of nanomaterials and their potential effects on global economics, as well as speculation about various doomsday scenarios. These concerns have led to a debate among advocacy groups and governments on whether special regulation of nanotechnology is warranted.

https://en.m.wikipedia.org/wiki/Nanotechnology

Narrative

narrative or story is an account of a series of related events, experiences, or the like, whether true (episode, vignette, travelogue, memoir, autobiography, biography) or fictitious (fairy tale, fable, story, epic, legend, novel). The word derives from the Latin verb narrare (to tell), which is derived from the adjective gnarus (knowing or skilled). Along with argumentation, description, and exposition, narration, broadly defined, is one of four rhetorical modes of discourse. More narrowly defined, it is the fiction-writing mode in which the narrator communicates directly to the reader. Oral storytelling is the earliest method for sharing narratives. During most people’s childhoods, narratives are used to guide them on proper behavior, cultural history, formation of a communal identity and values, as especially studied in anthropology today among traditional indigenous peoples. Narrative is found in all forms of human creativity, art, and entertainment, including speech, literature, theatre, music and song, comics, journalism, film, television and video, video games, radio, game-play, unstructured recreation and performance in general, as well as some painting, sculpture, drawing, photography and other visual arts, as long as a sequence of events is presented.

https://en.m.wikipedia.org/wiki/Narrative

Nation

A nation is a community of people formed on the basis of a common language, history, ethnicity, or a common culture, and, in many cases, a shared territory. A nation is more overtly political than an ethnic group; it has been described as “a fully mobilized or institutionalized ethnic group”. Some nations are equated with ethnic groups (see ethnic nationalism and nation state) and some are equated with an affiliation with a social and political constitution (see civic nationalism and multiculturalism). A nation has also been defined as a cultural-political community that has become conscious of its autonomy, unity and particular interests. In international law nation is the term for a sovereign state.

https://en.m.wikipedia.org/wiki/Nation

Natural disaster

A natural disaster is a major adverse event resulting from natural processes of the Earth; examples include floods, hurricanes, tornadoes, volcanic eruptions, earthquakes, tsunamis, storms, and other geologic processes. A natural disaster can cause loss of life or damage property and typically leaves some economic damage in its wake, the severity of which depends on the affected population’s resilience and on the infrastructure available.

In modern times, the divide between natural, man-made and man-accelerated is quite difficult to draw with human choices like architecture, fire, resource management or even climate change potentially playing a role. An adverse event will not rise to the level of a disaster if it occurs in an area without vulnerable population. In a vulnerable area, however, such as Nepal during the 2015 earthquake, an adverse event can have disastrous consequences and leave lasting damage, which can take years to repair. The disastrous consequences also impact the mental health of effected communities often leading to post-traumatic symptoms. These increased emotional experiences can be supported through collective processing, leading to resilience and increased community engagement.

https://en.m.wikipedia.org/wiki/Natural_disaster

Natural environment

The natural environment encompasses all living and non-living things occurring naturally, meaning in this case not artificial. The term is most often applied to the Earth or some parts of Earth. This environment encompasses the interaction of all living species, climate, weather and natural resources that affect human survival and economic activity. The concept of the natural environment can be distinguished as components:

Complete ecological units that function as natural systems without massive civilized human intervention, including all vegetation, microorganisms, soil, rocks, atmosphere, and natural phenomena that occur within their boundaries and their nature.
Universal natural resources and physical phenomena that lack clear-cut boundaries, such as air, water, and climate, as well as energy, radiation, electric charge, and magnetism, not originating from civilized human actions.

https://en.m.wikipedia.org/wiki/Natural_environment

Natural language processing

Natural language processing (NLP) is a subfield of linguistics, computer science, and artificial intelligence concerned with the interactions between computers and human language, in particular how to program computers to process and analyze large amounts of natural language data. The result is a computer capable of “understanding” the contents of documents, including the contextual nuances of the language within them. The technology can then accurately extract information and insights contained in the documents as well as categorize and organize the documents themselves.

Challenges in natural language processing frequently involve speech recognition, natural language understanding, and natural-language generation.

https://en.m.wikipedia.org/wiki/Natural_language_processing

Natural law

Natural law (Latin: ius naturale, lex naturalis) is a system of law based on a close observation of human nature, and based on values intrinsic to human nature that can be deduced and applied independent of positive law (the enacted laws of a state or society). According to natural law theory, all people have inherent rights, conferred not by act of legislation but by “God, nature, or reason.” Natural law theory can also refer to “theories of ethics, theories of politics, theories of civil law, and theories of religious morality.”

https://en.m.wikipedia.org/wiki/Natural_law

Natural person

In jurisprudence, a natural person (also physical person in some Commonwealth countries) is a person (in legal meaning, i.e., one who has its own legal personality) that is an individual human being, as opposed to a legal person, which may be a private (i.e., business entity or non-governmental organization) or public (i.e., government) organization. Historically, a human being was not necessarily a natural person in some jurisdictions where slavery existed (subject of a property right) rather than a person.

In many cases, fundamental human rights are implicitly granted only to natural persons. For example, the Nineteenth Amendment to the United States Constitution, which states a person cannot be denied the right to vote based on their sex, or Section Fifteen of the Canadian Charter of Rights and Freedoms, which guarantees equality rights, apply to natural persons only. Another example of the distinction between natural and legal persons is that a natural person can hold public office, but a corporation cannot.

A corporation or non-governmental organization can, however, file a lawsuit or own property as a legal person.

https://en.m.wikipedia.org/wiki/Natural_person

Natural philosophy

Natural philosophy or philosophy of nature (from Latin philosophia naturalis) was the philosophical study of nature and the physical universe that was dominant before the development of modern science. It is considered to be the precursor of natural science.

From the ancient world, starting with Aristotle, to the 19th century, natural philosophy was the common term for the practice of studying nature. It was in the 19th century that the concept of “science” received its modern shape with new titles emerging such as “biology” and “biologist”, “physics” and “physicist” among other technical fields and titles; institutions and communities were founded, and unprecedented applications to and interactions with other aspects of society and culture occurred. Isaac Newton’s book Philosophiae Naturalis Principia Mathematica (1687), whose title translates to “Mathematical Principles of Natural Philosophy”, reflects the then-current use of the words “natural philosophy”, akin to “systematic study of nature”. Even in the 19th century, a treatise by Lord Kelvin and Peter Guthrie Tait, which helped define much of modern physics, was titled Treatise on Natural Philosophy (1867).

In the German tradition, Naturphilosophie (philosophy of nature) persisted into the 18th and 19th century as an attempt to achieve a speculative unity of nature and spirit. Some of the greatest names in German philosophy are associated with this movement, including Goethe, Hegel and Schelling. Naturphilosophie was associated with Romanticism and a view that regarded the natural world as a kind of giant organism, as opposed to the philosophical approach of figures such as John Locke and Isaac Newton who espoused a more mechanical view of the world, regarding it as being like a machine.

https://en.m.wikipedia.org/wiki/Natural_philosophy

Natural resource

Natural resources are resources that exist without any actions of humankind. This includes the sources of valued characteristics such as commercial and industrial use, aesthetic value, scientific interest and cultural value. On Earth, it includes sunlight, atmosphere, water, land, all minerals along with all vegetation, and animal life. Natural resources can be part of our natural heritage or protected in nature reserves.

https://en.m.wikipedia.org/wiki/Natural_resource

Natural science

Natural science is a branch of science concerned with the description, prediction, and understanding of natural phenomena, based on empirical evidence from observation and experimentation. Mechanisms such as peer review and repeatability of findings are used to try to ensure the validity of scientific advances.

https://en.m.wikipedia.org/wiki/Natural_science

Nature

Nature, in the broadest sense, is the natural, physical, or material world or universe. “Nature” can refer to the phenomena of the physical world, and also to life in general. The study of nature is a large, if not the only, part of science. Although humans are part of nature, human activity is often understood as a separate category from other natural phenomena.

https://en.m.wikipedia.org/wiki/Nature

Nature versus nurture

The nature versus nurture debate involves whether human behavior is determined by the environment, either prenatal or during a person’s life, or by a person’s genes. The alliterative expression “nature and nurture” in English has been in use since at least the Elizabethan period and goes back to medieval French.

The complementary combination of the two concepts is an ancient concept (Greek: ἁπό φύσεως καὶ εὐτροφίας). Nature is what people think of as pre-wiring and is influenced by genetic inheritance and other biological factors. Nurture is generally taken as the influence of external factors after conception e.g. the product of exposure, experience and learning on an individual.

https://en.m.wikipedia.org/wiki/Nature_versus_nurture

Need

need is something that is necessary for an organism to live a healthy life. Needs are distinguished from wants. In the case of a need, a deficiency causes a clear adverse outcome: a dysfunction or death. In other words, a need is something required for a safe, stable and healthy life (e.g. air, water, food, land, shelter) while a want is a desire, wish or aspiration. When needs or wants are backed by purchasing power, they have the potential to become economic demands. Basic needs such as air, water, food and protection from environmental dangers are necessary for an organism to live. In addition to basic needs, humans also have needs of a social or societal nature such as the human need to socialise or belong to a family unit or group. Needs can be objective and physical, such as the need for food, or psychological and subjective, such as the need for self-esteem.

https://en.m.wikipedia.org/wiki/Need

Maslow’s hierarchy of needs

Maslow’s hierarchy of needs is a theory in psychology proposed by Abraham Maslow in his 1943 paper “A Theory of Human Motivation” in Psychological Review. Maslow subsequently extended the idea to include his observations of humans’ innate curiosity. His theories parallel many other theories of human developmental psychology, some of which focus on describing the stages of growth in humans. He then decided to create a classification system which reflected the universal needs of society as its base and then proceeding to more acquired emotions. Maslow’s hierarchy of needs is used to study how humans intrinsically partake in behavioral motivation. Maslow used the terms “physiological”, “safety”, “belonging and love”, “social needs” or “esteem”, and “self-actualization” to describe the pattern through which human motivations generally move. This means that in order for motivation to arise at the next stage, each stage must be satisfied within the individual themselves. Additionally, this theory is a main base in knowing how effort and motivation are correlated when discussing human behavior. Each of these individual levels contains a certain amount of internal sensation that must be met in order for an individual to complete their hierarchy. The goal in Maslow’s theory is to attain the fifth level or stage: self-actualization.

https://en.m.wikipedia.org/wiki/Maslow%27s_hierarchy_of_needs

Negotiation

Negotiation is a dialogue between two or more people or parties intended to reach a beneficial outcome over one or more issues where a conflict exists with respect to at least one of these issues. Negotiation is an interaction and process between entities who aspire to agree on matters of mutual interest, while optimizing their individual utilities. This beneficial outcome can be for all of the parties involved, or just for one or some of them. Negotiators need to understand the negotiation process and other negotiators to increase their chances to close deals, avoid conflicts, establishing relationship with other parties and gain profit and maximize mutual gains.

https://en.m.wikipedia.org/wiki/Negotiation

Neighbourhood

A neighbourhood (British English, Australian English and Canadian English) or neighborhood (American English; see spelling differences) is a geographically localised community within a larger city, town, suburb or rural area. Neighbourhoods are often social communities with considerable face-to-face interaction among members. Researchers have not agreed on an exact definition, but the following may serve as a starting point: “Neighbourhood is generally defined spatially as a specific geographic area and functionally as a set of social networks. Neighbourhoods, then, are the spatial units in which face-to-face social interactions occur—the personal settings and situations where residents seek to realise common values, socialise youth, and maintain effective social control.”

https://en.m.wikipedia.org/wiki/Neighbourhood

Nervous system

In biology, the nervous system is a highly complex part of an animal that coordinates its actions and sensory information by transmitting signals to and from different parts of its body. The nervous system detects environmental changes that impact the body, then works in tandem with the endocrine system to respond to such events. Nervous tissue first arose in wormlike organisms about 550 to 600 million years ago. In vertebrates it consists of two main parts, the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS consists of the brain and spinal cord. The PNS consists mainly of nerves, which are enclosed bundles of the long fibers or axons, that connect the CNS to every other part of the body. Nerves that transmit signals from the brain are called motor or efferent nerves, while those nerves that transmit information from the body to the CNS are called sensory or afferent. Spinal nerves serve both functions and are called mixed nerves. The PNS is divided into three separate subsystems, the somatic, autonomic, and enteric nervous systems. Somatic nerves mediate voluntary movement. The autonomic nervous system is further subdivided into the sympathetic and the parasympathetic nervous systems. The sympathetic nervous system is activated in cases of emergencies to mobilize energy, while the parasympathetic nervous system is activated when organisms are in a relaxed state. The enteric nervous system functions to control the gastrointestinal system. Both autonomic and enteric nervous systems function involuntarily. Nerves that exit from the cranium are called cranial nerves while those exiting from the spinal cord are called spinal nerves.

https://en.m.wikipedia.org/wiki/Nervous_system

Neurobiological effects of physical exercise

The neurobiological effects of physical exercise are numerous and involve a wide range of interrelated effects on brain structure, brain function, and cognition. A large body of research in humans has demonstrated that consistent aerobic exercise (e.g., 30 minutes every day) induces persistent improvements in certain cognitive functions, healthy alterations in gene expression in the brain, and beneficial forms of neuroplasticity and behavioral plasticity; some of these long-term effects include: increased neuron growth, increased neurological activity (e.g., c-Fos and BDNF signaling), improved stress coping, enhanced cognitive control of behavior, improved declarative, spatial, and working memory, and structural and functional improvements in brain structures and pathways associated with cognitive control and memory. The effects of exercise on cognition have important implications for improving academic performance in children and college students, improving adult productivity, preserving cognitive function in old age, preventing or treating certain neurological disorders, and improving overall quality of life.

https://en.m.wikipedia.org/wiki/Neurobiological_effects_of_physical_exercise

Neuroinformatics

Neuroinformatics is the field that combines informatics and neuroscience. Neuroinformatics is related with neuroscience data and information processing by artificial neural networks. There are three main directions where neuroinformatics has to be applied:

the development of computational models of the nervous system and neural processes.
the development of tools for analyzing and modeling neuroscience data,
the development of tools and databases for management and sharing of neuroscience data at all levels of analysis,
Neuroinformatics is related with philosophy (computational theory of mind), psychology (information processing theory), computer science (natural computing, bio-inspired computing), among others. Neuroinformatics doesn’t deal with matter or energy, so it can be seen as branch of neurobiology that study various aspects of nervous systems. The term neuroinformatics seems to be used synonymously with cognitive informatics, described by Journal of Biomedical Informatics as interdisciplinary domain that focuses on human information processing, mechanisms and processes within the context of computing and computing applications. According to German National Library, neuroinformatics is synonymous with neurocomputing. At Proceedings of the 10th IEEE International Conference on Cognitive Informatics and Cognitive Computing was intruduced the following description: Cognitive Informatics (CI) as a transdisciplinary enquiry of computer science, information sciences, cognitive science, and intelligence science. CI investigates into the internal information processing mechanisms and processes of the brain and natural intelligence, as well as their engineering applications in cognitive computing. According to INCF, neuroinformatics is a research field devoted to the development of neuroscience data and knowledge bases together with computational models.

https://en.m.wikipedia.org/wiki/Neuroinformatics

Neuroeconomics

Neuroeconomics is an interdisciplinary field that seeks to explain human decision making, the ability to process multiple alternatives and to follow a course of action. It studies how economic behavior can shape our understanding of the brain, and how neuroscientific discoveries can constrain and guide models of economics.

It combines research from neuroscience, experimental and behavioral economics, and cognitive and social psychology. As research into decision-making behavior becomes increasingly computational, it has also incorporated new approaches from theoretical biology, computer science, and mathematics. Neuroeconomics studies decision making by using a combination of tools from these fields so as to avoid the shortcomings that arise from a single-perspective approach. In mainstream economics, expected utility (EU) and the concept of rational agents are still being used. Many economic behaviors are not fully explained by these models, such as heuristics and framing.

Behavioral economics emerged to account for these anomalies by integrating social, cognitive, and emotional factors in understanding economic decisions. Neuroeconomics adds another layer by using neuroscientific methods in understanding the interplay between economic behavior and neural mechanisms. Using tools from various fields, neuroeconomics works toward an integrated account of economic decision making.

https://en.m.wikipedia.org/wiki/Neuroeconomics

Neurology

Neurology (from Greek: νεῦρον (neûron), “string, nerve” and the suffix -logia, “study of”) is a branch of medicine dealing with disorders of the nervous system. Neurology deals with the diagnosis and treatment of all categories of conditions and disease involving the central and peripheral nervous systems (and their subdivisions, the autonomic and somatic nervous systems), including their coverings, blood vessels, and all effector tissue, such as muscle. Neurological practice relies heavily on the field of neuroscience, the scientific study of the nervous system.

https://en.m.wikipedia.org/wiki/Neurology

Neuron

A neuron or nerve cell is an electrically excitable cell that communicates with other cells via specialized connections called synapses. It is the main component of nervous tissue in all animals except sponges and placozoa. Plants and fungi do not have nerve cells.

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https://en.m.wikipedia.org/wiki/Neuron

Neuropsychology

Neuropsychology is a branch of psychology that is concerned with how a person’s cognition and behavior are related to the brain and the rest of the nervous system. Professionals in this branch of psychology often focus on how injuries or illnesses of the brain affect cognitive and behavioral functions.

It is both an experimental and clinical field of psychology, thus aiming to understand how behavior and cognition are influenced by brain function and concerned with the diagnosis and treatment of behavioral and cognitive effects of neurological disorders. Whereas classical neurology focuses on the pathology of the nervous system and classical psychology is largely divorced from it, neuropsychology seeks to discover how the brain correlates with the mind through the study of neurological patients. It thus shares concepts and concerns with neuropsychiatry and with behavioral neurology in general. The term neuropsychology has been applied to lesion studies in humans and animals. It has also been applied in efforts to record electrical activity from individual cells (or groups of cells) in higher primates (including some studies of human patients).

https://en.m.wikipedia.org/wiki/Neuropsychology

Neuroscience

Neuroscience (or neurobiology) is the scientific study of the nervous system. It is a multidisciplinary science that combines physiology, anatomy, molecular biology, developmental biology, cytology, computer science and mathematical modeling to understand the fundamental and emergent properties of neurons and neural circuits. The understanding of the biological basis of learning, memory, behavior, perception, and consciousness has been described by Eric Kandel as the “ultimate challenge” of the biological sciences.

The scope of neuroscience has broadened over time to include different approaches used to study the nervous system at different scales and the techniques used by neuroscientists have expanded enormously, from molecular and cellular studies of individual neurons to imaging of sensory, motor and cognitive tasks in the brain.

View more – Wikipedia.org:

https://en.m.wikipedia.org/wiki/Neuroscience

News

News is information about current events. This may be provided through many different media: word of mouth, printing, postal systems, broadcasting, electronic communication, or through the testimony of observers and witnesses to events.

Common topics for news reports include war, government, politics, education, health, the environment, economy, business, fashion, and entertainment, as well as athletic events, quirky or unusual events. Government proclamations, concerning royal ceremonies, laws, taxes, public health, and criminals, have been dubbed news since ancient times. Technological and social developments, often driven by government communication and espionage networks, have increased the speed with which news can spread, as well as influenced its content. The genre of news as we know it today is closely associated with the newspaper.

https://en.m.wikipedia.org/wiki/News

News magazine

A news magazine is a typed, printed, and published magazine, radio or television program, usually published weekly, consisting of articles about current events. News magazines generally discuss stories, in greater depth than do newspapers or newscasts, and aim to give the consumer an understanding of the important events beyond the basic facts.

https://en.m.wikipedia.org/wiki/News_magazine

News media

The news media or news industry are forms of mass media that focus on delivering news to the general public or a target public. These include print media (newspapers, newsmagazines), broadcast news (radio and television), and more recently the Internet (online newspapers, news blogs, news videos, live news streaming, etc.).

https://en.m.wikipedia.org/wiki/News_media

Newspaper

A newspaper is a periodical publication containing written information about current events and is often typed in black ink with a white or gray background.

Newspapers can cover a wide variety of fields such as politics, business, sports and art, and often include materials such as opinion columns, weather forecasts, reviews of local services, obituaries, birth notices, crosswords, editorial cartoons, comic strips, and advice columns.

Most newspapers are businesses, and they pay their expenses with a mixture of subscription revenue, newsstand sales, and advertising revenue. The journalism organizations that publish newspapers are themselves often metonymically called newspapers.

Newspapers have traditionally been published in print (usually on cheap, low-grade paper called newsprint). However, today most newspapers are also published on websites as online newspapers, and some have even abandoned their print versions entirely.

Newspapers developed in the 17th century, as information sheets for merchants. By the early 19th century, many cities in Europe, as well as North and South America, published newspapers.

Some newspapers with high editorial independence, high journalism quality, and large circulation are viewed as newspapers of record.

https://en.m.wikipedia.org/wiki/Newspaper

Nightclub

A nightclub, music club, or simply club, is an entertainment venue and bar that usually operates late into the night. A nightclub is generally distinguished from regular bars, pubs, or taverns by the inclusion of a stage for live music, one or more dance floor areas and a DJ booth, where a DJ plays recorded music. The upmarket nature of nightclubs can be seen in the inclusion of VIP areas in some nightclubs, for celebrities and their guests. Nightclubs are much more likely than pubs or sports bars to use bouncers to screen prospective clubgoers for entry. Some nightclub bouncers do not admit people with informal clothing or gang apparel as part of a dress code. The busiest nights for a nightclub are Friday and Saturday night. Most clubs or club nights cater to certain music genres, such as house music or hip hop. Many clubs have recurring club nights on different days of the week. Most club nights focus on a particular genre or sound for branding effects.

https://en.m.wikipedia.org/wiki/Nightclub

Nociception

Nociception (also nocioception, from Latin nocere ‘to harm or hurt’) is the sensory nervous system’s process of encoding noxious stimuli. In nociception, intense chemical (e.g., cayenne powder), mechanical (e.g., cutting, crushing), or thermal (heat and cold) stimulation of sensory nerve cells called nociceptors produces a signal that travels along a chain of nerve fibers via the spinal cord to the brain. Nociception triggers a variety of physiological and behavioral responses and usually results in a subjective experience, or perception, of pain in sentient beings.

https://en.m.wikipedia.org/wiki/Nociception

Nonprofit organization

A nonprofit organization (NPO), also known as a non-business entity, not-for-profit organization or nonprofit institution is a legal entity organized and operated for a collective, public or social benefit, in contrast with an entity that operates as a business aiming to generate a profit for its owners. A nonprofit is subject to the non-distribution constraint: any revenues that exceed expenses must be committed to the organization’s purpose, not taken by private parties. A wide array of organizations are nonprofit, including most political organizations, schools, business associations, churches, social clubs, and consumer cooperatives. Nonprofit entities generally seek approval from governments to be tax-exempt, and some may also qualify to receive tax-deductible contributions, but an entity may incorporate as a nonprofit entity without securing tax-exempt status.

https://en.m.wikipedia.org/wiki/Nonprofit_organization

Notary

A notary is a person authorised to perform acts in legal affairs, in particular witnessing signatures on documents. The form that the notarial profession takes varies with local legal systems.

The Worshipful Company of Scriveners use an old English term for a notary, and are an association of notaries practising in central London since 1373.

https://en.m.wikipedia.org/wiki/Notary

Nous

Nous (UK: /naʊs/, US: /nuːs/), sometimes equated to intellect or intelligence, is a term from classical philosophy for the faculty of the human mind necessary for understanding what is true or real. English words such as “understanding” are sometimes used, but three commonly used philosophical terms come directly from classical languages: νοῦς or νόος (from Ancient Greek), intellēctus and intellegentia (from Latin). To describe the activity of this faculty, the word “intellection” is sometimes used in philosophical contexts, as well as the Greek words noēsis and noeîn (νόησις, νοεῖν). This activity is understood in a similar way (at least in some contexts) to the modern concept of intuition.

https://en.m.wikipedia.org/wiki/Nous

Nuclear family

A nuclear family, elementary family or conjugal family is a family group consisting of a man and a woman and their children (one or more). It is in contrast to a single-parent family, the larger extended family, or a family with more than two parents. Nuclear families typically center on a married couple which may have any number of children. There are differences in definition among observers. Some definitions allow only biological children that are full-blood siblings and consider adopted or half and step siblings a part of the immediate family, but others allow for a stepparent and any mix of dependent children including stepchildren and adopted children. Some sociologists and anthropologists consider the nuclear family as the most basic form of social organization.

https://en.m.wikipedia.org/wiki/Nuclear_family

Nuclear physics

Nuclear physics is the field of physics that studies atomic nuclei and their constituents and interactions. Other forms of nuclear matter are also studied.

Nuclear physics should not be confused with atomic physics, which studies the atom as a whole, including its electrons.

Discoveries in nuclear physics have led to applications in many fields. This includes nuclear power, nuclear weapons, nuclear medicine and magnetic resonance imaging, industrial and agricultural isotopes, ion implantation in materials engineering, and radiocarbon dating in geology and archaeology. Such applications are studied in the field of nuclear engineering.

Particle physics evolved out of nuclear physics and the two fields are typically taught in close association. Nuclear astrophysics, the application of nuclear physics to astrophysics, is crucial in explaining the inner workings of stars and the origin of the chemical elements.

https://en.m.wikipedia.org/wiki/Nuclear_physics

Nuclear power

Nuclear power is the use of nuclear reactions to produce electricity. Nuclear power can be obtained from nuclear fission, nuclear decay and nuclear fusion reactions. Presently, the vast majority of electricity from nuclear power is produced by nuclear fission of uranium and plutonium in nuclear power plants. Nuclear decay processes are used in niche applications such as radioisotope thermoelectric generators in some space probes such as Voyager 2. Generating electricity from fusion power remains the focus of international research.

https://en.m.wikipedia.org/wiki/Nuclear_power

Nun

A nun is a member of a religious community of women, typically living under vows of poverty, chastity, and obedience in the enclosure of a monastery. Communities of nuns exist in numerous religious traditions, including Buddhism, Christianity, Jainism, and Taoism.

In the Buddhist tradition, female monastics are known as Bhikkhuni, and take several additional vows compared to male monastics (bhikkhus). Nuns are most common in Mahayana Buddhism, but have more recently become more prevalent in other traditions.

Within Christianity, women religious, known as nuns or religious sisters, are found in Catholic, Eastern Orthodox, Anglican, and Lutheran traditions among others. Though the terms are often used interchangeably, nuns historically take solemn vows and live a life of prayer and contemplation in a monastery or convent, while sisters take simple vows and live an active vocation of prayer and charitable works in areas such as education and healthcare. Examples include the monastic Order of Saint Clare founded in 1212 in the Franciscan tradition, or the Missionaries of Charity founded in 1950 by Mother Teresa to care for people living in grave poverty.

https://en.m.wikipedia.org/wiki/Nun

Nursing

Nursing is a profession within the health care sector focused on the care of individuals, families, and communities so they may attain, maintain, or recover optimal health and quality of life. Nurses may be differentiated from other health care providers by their approach to patient care, training, and scope of practice. Nurses practice in many specialties with differing levels of prescription authority. Many nurses provide care within the ordering scope of physicians, and this traditional role has shaped the public image of nurses as care providers. However, nurse practitioners are permitted by most jurisdictions to practice independently in a variety of settings. Since the postwar period, nurse education has undergone a process of diversification towards advanced and specialized credentials, and many of the traditional regulations and provider roles are changing.

https://en.m.wikipedia.org/wiki/Nursing

Nutrient

A nutrient is a substance used by an organism to survive, grow, and reproduce. The requirement for dietary nutrient intake applies to animals, plants, fungi, and protists. Nutrients can be incorporated into cells for metabolic purposes or excreted by cells to create non-cellular structures, such as hair, scales, feathers, or exoskeletons. Some nutrients can be metabolically converted to smaller molecules in the process of releasing energy, such as for carbohydrates, lipids, proteins, and fermentation products (ethanol or vinegar), leading to end-products of water and carbon dioxide. All organisms require water. Essential nutrients for animals are the energy sources, some of the amino acids that are combined to create proteins, a subset of fatty acids, vitamins and certain minerals. Plants require more diverse minerals absorbed through roots, plus carbon dioxide and oxygen absorbed through leaves. Fungi live on dead or living organic matter and meet nutrient needs from their host.

https://en.m.wikipedia.org/wiki/Nutrient

Nutrition

Nutrition is the science that interprets the nutrients and other substances in food in relation to maintenance, growth, reproduction, health and disease of an organism. It includes food intake, absorption, assimilation, biosynthesis, catabolism and excretion.

The diet of an organism is what it eats, which is largely determined by the availability and palatability of foods. For humans, a healthy diet includes preparation of food and storage methods that preserve nutrients from oxidation, heat or leaching, and that reduces risk of foodborne illnesses. The seven major classes of human nutrients are carbohydrates, fats, fiber, minerals, proteins, vitamins, and water. Nutrients can be grouped as either macronutrients or micronutrients (needed in small quantities).

https://en.m.wikipedia.org/wiki/Nutrition

Nutritional science

Nutritional science (also nutrition science, sometimes short nutrition, dated trophology) is the science that studies the physiological process of nutrition (primarily human nutrition), interpreting the nutrients and other substances in food in relation to maintenance, growth, reproduction, health and disease of an organism.

https://en.m.wikipedia.org/wiki/Nutritional_science

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