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166741 | https://en.wikipedia.org/wiki/Cirrostratus%20cloud | Cirrostratus cloud | Cirrostratus is a high-altitude, very thin, generally uniform stratiform genus-type of cloud. It is made out of ice-crystals, which are pieces of frozen water. It is difficult to detect and it can make halos. These are made when the cloud takes the form of thin cirrostratus nebulosus. The cloud has a fibrous texture w... | Physical sciences | Clouds | Earth science |
166745 | https://en.wikipedia.org/wiki/Stratus%20cloud | Stratus cloud | Stratus clouds are low-level clouds characterized by horizontal layering with a uniform base, as opposed to convective or cumuliform clouds formed by rising thermals. The term stratus describes flat, hazy, featureless clouds at low altitudes varying in color from dark gray to nearly white. The word stratus comes from t... | Physical sciences | Clouds | Earth science |
166784 | https://en.wikipedia.org/wiki/Factory | Factory | A factory, manufacturing plant or production plant is an industrial facility, often a complex consisting of several buildings filled with machinery, where workers manufacture items or operate machines which process each item into another. They are a critical part of modern economic production, with the majority of the ... | Technology | Basics_6 | null |
166803 | https://en.wikipedia.org/wiki/Shutter%20speed | Shutter speed | In photography, shutter speed or exposure time is the length of time that the film or digital sensor inside the camera is exposed to light (that is, when the camera's shutter is open) when taking a photograph.
The amount of light that reaches the film or image sensor is proportional to the exposure time. of a second w... | Technology | Photography | null |
166829 | https://en.wikipedia.org/wiki/Choking | Choking | Choking, also known as foreign body airway obstruction (FBAO), is a phenomenon that occurs when breathing is impeded by a blockage inside of the respiratory tract. An obstruction that prevents oxygen from entering the lungs results in oxygen deprivation. Although oxygen stored in the blood and lungs can keep a person a... | Biology and health sciences | Types | Health |
166842 | https://en.wikipedia.org/wiki/Safari%20%28web%20browser%29 | Safari (web browser) | Safari is a web browser developed by Apple. It is built into several of Apple's operating systems, including macOS, iOS, iPadOS and visionOS, and uses Apple's open-source browser engine WebKit, which was derived from KHTML.
Safari was introduced in Mac OS X Panther in January 2003. It has been included with the iPhone... | Technology | Browsers | null |
166868 | https://en.wikipedia.org/wiki/Exposure%20%28photography%29 | Exposure (photography) | In photography, exposure is the amount of light per unit area reaching a frame of photographic film or the surface of an electronic image sensor. It is determined by shutter speed, lens f-number, and scene luminance. Exposure is measured in units of lux-seconds (symbol lxs), and can be computed from exposure value (EV)... | Technology | Photography | null |
166931 | https://en.wikipedia.org/wiki/River%20delta | River delta | A river delta is a triangular landform created by the deposition of the sediments that are carried by the waters of a river, where the river merges with a body of slow-moving water or with a body of stagnant water. The creation of a river delta occurs at the river mouth, where the river merges into an ocean, a sea, or ... | Physical sciences | Hydrology | null |
166945 | https://en.wikipedia.org/wiki/Cartilage | Cartilage | Cartilage is a resilient and smooth type of connective tissue. Semi-transparent and non-porous, it is usually covered by a tough and fibrous membrane called perichondrium. In tetrapods, it covers and protects the ends of long bones at the joints as articular cartilage, and is a structural component of many body parts i... | Biology and health sciences | Tissues | null |
167001 | https://en.wikipedia.org/wiki/Concrete%20category | Concrete category | In mathematics, a concrete category is a category that is equipped with a faithful functor to the category of sets (or sometimes to another category). This functor makes it possible to think of the objects of the category as sets with additional structure, and of its morphisms as structure-preserving functions. Many im... | Mathematics | Category theory | null |
167079 | https://en.wikipedia.org/wiki/Smartphone | Smartphone | A smartphone is a mobile device that combines the functionality of a traditional mobile phone with advanced computing capabilities. It typically has a touchscreen interface, allowing users to access a wide range of applications and services, such as web browsing, email, and social media, as well as multimedia playback ... | Technology | Computer hardware | null |
167120 | https://en.wikipedia.org/wiki/Gravel | Gravel | Gravel () is a loose aggregation of rock fragments. Gravel occurs naturally on Earth as a result of sedimentary and erosive geological processes; it is also produced in large quantities commercially as crushed stone.
Gravel is classified by particle size range and includes size classes from granule- to boulder-sized f... | Physical sciences | Petrology | null |
167166 | https://en.wikipedia.org/wiki/Organ%20transplantation | Organ transplantation | Organ transplantation is a medical procedure in which an organ is removed from one body and placed in the body of a recipient, to replace a damaged or missing organ. The donor and recipient may be at the same location, or organs may be transported from a donor site to another location. Organs and/or tissues that are t... | Biology and health sciences | Medical procedures | null |
167184 | https://en.wikipedia.org/wiki/Rapid%20eye%20movement%20sleep | Rapid eye movement sleep | Rapid eye movement sleep (REM sleep or REMS) is a unique phase of sleep in mammals (including humans) and birds, characterized by random rapid movement of the eyes, accompanied by low muscle tone throughout the body, and the propensity of the sleeper to dream vividly. The core body and brain temperatures increase durin... | Biology and health sciences | Ethology | Biology |
167248 | https://en.wikipedia.org/wiki/Recumbent%20bicycle | Recumbent bicycle | A recumbent bicycle is a bicycle that places the rider in a laid-back reclining position. Recumbents are available in a wide range of configurations, including: long to short wheelbase; large, small, or a mix of wheel sizes; overseat, underseat, or no-hands steering; and rear wheel or front wheel drive. A variant with ... | Technology | Human-powered transport | null |
167258 | https://en.wikipedia.org/wiki/Dome | Dome | A dome () is an architectural element similar to the hollow upper half of a sphere. There is significant overlap with the term cupola, which may also refer to a dome or a structure on top of a dome. The precise definition of a dome has been a matter of controversy and there are a wide variety of forms and specialized t... | Technology | Architectural elements | null |
167364 | https://en.wikipedia.org/wiki/Millstone | Millstone | Millstones or mill stones are stones used in gristmills, used for triturating, crushing or, more specifically, grinding wheat or other grains. They are sometimes referred to as grindstones or grinding stones.
Millstones come in pairs: a stationary base with a convex rim known as the bedstone (or nether millstone) and ... | Technology | Industrial machinery | null |
167427 | https://en.wikipedia.org/wiki/Groundhog | Groundhog | The groundhog (Marmota monax), also known as the woodchuck, is a rodent of the family Sciuridae, belonging to the group of large ground squirrels known as marmots.
A lowland creature of North America, it is found through much of the Eastern United States, across Canada and into Alaska.
It was given its scientific nam... | Biology and health sciences | Rodents | Animals |
167513 | https://en.wikipedia.org/wiki/Sphalerite | Sphalerite | Sphalerite is a sulfide mineral with the chemical formula . It is the most important ore of zinc. Sphalerite is found in a variety of deposit types, but it is primarily in sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide deposits. It is found in association with galena, chalcopyrite, py... | Physical sciences | Minerals | Earth science |
167518 | https://en.wikipedia.org/wiki/Greenockite | Greenockite | Greenockite, also cadmium blende or cadmium ochre (obsolete) is a rare cadmium bearing metal sulfide mineral consisting of cadmium sulfide (CdS) in crystalline form. Greenockite crystallizes in the hexagonal system. It occurs as massive encrustations and as hemimorphic six-sided pyramidal crystals which vary in color ... | Physical sciences | Minerals | Earth science |
167520 | https://en.wikipedia.org/wiki/Guyot | Guyot | In marine geology, a guyot (), also called a tablemount, is an isolated underwater volcanic mountain (seamount) with a flat top more than below the surface of the sea. The diameters of these flat summits can exceed . Guyots are most commonly found in the Pacific Ocean, but they have been identified in all the oceans e... | Physical sciences | Oceanic and coastal landforms | Earth science |
167544 | https://en.wikipedia.org/wiki/Transcription%20%28biology%29 | Transcription (biology) | Transcription is the process of copying a segment of DNA into RNA for the purpose of gene expression. Some segments of DNA are transcribed into RNA molecules that can encode proteins, called messenger RNA (mRNA). Other segments of DNA are transcribed into RNA molecules called non-coding RNAs (ncRNAs).
Both DNA and RNA... | Biology and health sciences | Cell processes | null |
167647 | https://en.wikipedia.org/wiki/Seamount | Seamount | A seamount is a large submarine landform that rises from the ocean floor without reaching the water surface (sea level), and thus is not an island, islet, or cliff-rock. Seamounts are typically formed from extinct volcanoes that rise abruptly and are usually found rising from the seafloor to in height. They are define... | Physical sciences | Oceanic and coastal landforms | null |
167664 | https://en.wikipedia.org/wiki/Epsilon%20Eridani | Epsilon Eridani | Epsilon Eridani (Latinized from ε Eridani), proper name Ran, is a star in the southern constellation of Eridanus. At a declination of −9.46°, it is visible from most of Earth's surface. Located at a distance from the Sun, it has an apparent magnitude of 3.73, making it the third-closest individual star (or star system... | Physical sciences | Notable stars | Astronomy |
167667 | https://en.wikipedia.org/wiki/Eurofighter%20Typhoon | Eurofighter Typhoon | The Eurofighter Typhoon is a European multinational twin-engine, supersonic, canard delta wing, multirole fighter. The Typhoon was designed originally as an air-superiority fighter and is manufactured by a consortium of Airbus, BAE Systems and Leonardo that conducts the majority of the project through a joint holding c... | Technology | Specific aircraft | null |
167718 | https://en.wikipedia.org/wiki/Porcelain | Porcelain | Porcelain, also called china () is a ceramic material made by heating raw materials, generally including kaolinite, in a kiln to temperatures between . The greater strength and translucence of porcelain, relative to other types of pottery, arise mainly from vitrification and the formation of the mineral mullite within ... | Technology | Material and chemical | null |
167815 | https://en.wikipedia.org/wiki/Douglas%20DC-3 | Douglas DC-3 | The Douglas DC-3 is a propeller-driven airliner manufactured by the Douglas Aircraft Company, which had a lasting effect on the airline industry in the 1930s to 1940s and World War II.
It was developed as a larger, improved 14-bed sleeper version of the Douglas DC-2.
It is a low-wing metal monoplane with conventional... | Technology | Specific aircraft_2 | null |
167883 | https://en.wikipedia.org/wiki/Liliaceae | Liliaceae | The lily family, Liliaceae, consists of about 15 genera and 610 species of flowering plants within the order Liliales. They are monocotyledonous, perennial, herbaceous, often bulbous geophytes. Plants in this family have evolved with a fair amount of morphological diversity despite genetic similarity. Common characteri... | Biology and health sciences | Monocots | null |
167906 | https://en.wikipedia.org/wiki/Cultivar | Cultivar | A cultivar is a kind of cultivated plant that people have selected for desired traits and which retains those traits when propagated. Methods used to propagate cultivars include division, root and stem cuttings, offsets, grafting, tissue culture, or carefully controlled seed production. Most cultivars arise from delibe... | Technology | Basics_2 | null |
168008 | https://en.wikipedia.org/wiki/Orchard | Orchard | An orchard is an intentional plantation of trees or shrubs that is maintained for food production. Orchards comprise fruit- or nut-producing trees that are generally grown for commercial production. Orchards are also sometimes a feature of large gardens, where they serve an aesthetic as well as a productive purpose. A ... | Technology | Forms | null |
168010 | https://en.wikipedia.org/wiki/Morus%20%28plant%29 | Morus (plant) | Morus, a genus of flowering plants in the family Moraceae, consists of 19 species of deciduous trees commonly known as mulberries, growing wild and under cultivation in many temperate world regions. Generally, the genus has 64 subordinate taxa, though the three most common are referred to as white, red, and black, orig... | Biology and health sciences | Rosales | null |
168033 | https://en.wikipedia.org/wiki/Sassafras | Sassafras | Sassafras is a genus of three extant and one extinct species of deciduous trees in the family Lauraceae, native to eastern North America and eastern Asia. The genus is distinguished by its aromatic properties, which have made the tree useful to humans.
Description
Sassafras trees grow from tall with many slender sym... | Biology and health sciences | Laurales | Plants |
168037 | https://en.wikipedia.org/wiki/Station%20wagon | Station wagon | A station wagon (US, also wagon) or estate car (UK, also estate) is an automotive body-style variant of a sedan with its roof extended rearward over a shared passenger/cargo volume with access at the back via a third or fifth door (the liftgate, or tailgate), instead of a trunk/boot lid. The body style transforms a sta... | Technology | Motorized road transport | null |
168053 | https://en.wikipedia.org/wiki/Amazon%20river%20dolphin | Amazon river dolphin | The Amazon river dolphin (Inia geoffrensis), also known as the boto, bufeo or pink river dolphin, is a species of toothed whale endemic to South America and is classified in the family Iniidae. Three subspecies are currently recognized: I. g. geoffrensis (Amazon river dolphin), I. g. boliviensis (Bolivian river dolphin... | Biology and health sciences | Toothed whale | Animals |
168072 | https://en.wikipedia.org/wiki/Handcuffs | Handcuffs | Handcuffs are restraint devices designed to secure an individual's wrists in proximity to each other. They comprise two parts, linked together by a chain, a hinge, or rigid bar. Each cuff has a rotating arm which engages with a ratchet that prevents it from being opened once closed around a person's wrist. Without a ke... | Technology | Law enforcement equipment | null |
168369 | https://en.wikipedia.org/wiki/Membrane%20protein | Membrane protein | Membrane proteins are common proteins that are part of, or interact with, biological membranes. Membrane proteins fall into several broad categories depending on their location. Integral membrane proteins are a permanent part of a cell membrane and can either penetrate the membrane (transmembrane) or associate with on... | Biology and health sciences | Cell parts | Biology |
168389 | https://en.wikipedia.org/wiki/Arithmetic%20progression | Arithmetic progression | An arithmetic progression or arithmetic sequence is a sequence of numbers such that the difference from any succeeding term to its preceding term remains constant throughout the sequence. The constant difference is called common difference of that arithmetic progression. For instance, the sequence 5, 7, 9, 11, 13, 15, ... | Mathematics | Sequences | null |
168393 | https://en.wikipedia.org/wiki/Polystyrene | Polystyrene | Polystyrene (PS) is a synthetic polymer made from monomers of the aromatic hydrocarbon styrene. Polystyrene can be solid or foamed. General-purpose polystyrene is clear, hard, and brittle. It is an inexpensive resin per unit weight. It is a poor barrier to air and water vapor and has a relatively low melting point. Po... | Physical sciences | Polymers | Chemistry |
168503 | https://en.wikipedia.org/wiki/King%20cobra | King cobra | The king cobra (Ophiophagus hannah) is a species complex of snakes endemic to Asia. With an average of and a record length of , it is the world's longest venomous snake and among the heaviest. Under the genus Ophiophagus, it is not phylogenetically a true cobra despite its common name and some resemblance. Spanning fr... | Biology and health sciences | Snakes | Animals |
168506 | https://en.wikipedia.org/wiki/Esophagus | Esophagus | The esophagus (American English), oesophagus (British English), or œsophagus (archaic spelling) (see spelling difference) all ; : ((o)e)(œ)sophagi or ((o)e)(œ)sophaguses), colloquially known also as the food pipe, food tube, or gullet, is an organ in vertebrates through which food passes, aided by peristaltic contracti... | Biology and health sciences | Digestive system | null |
168509 | https://en.wikipedia.org/wiki/Constipation | Constipation | Constipation is a bowel dysfunction that makes bowel movements infrequent or hard to pass. The stool is often hard and dry. Other symptoms may include abdominal pain, bloating, and feeling as if one has not completely passed the bowel movement. Complications from constipation may include hemorrhoids, anal fissure or fe... | Biology and health sciences | Symptoms and signs | Health |
168536 | https://en.wikipedia.org/wiki/Bulimia%20nervosa | Bulimia nervosa | Bulimia nervosa, also known simply as bulimia, is an eating disorder characterized by binge eating (eating large quantities of food in a short period of time, often feeling out of control) followed by compensatory behaviors, such as vomiting, excessive exercise, or fasting to prevent weight gain.
Other efforts to lose... | Biology and health sciences | Mental disorders | Health |
168609 | https://en.wikipedia.org/wiki/Cycle%20%28graph%20theory%29 | Cycle (graph theory) | In graph theory, a cycle in a graph is a non-empty trail in which only the first and last vertices are equal. A directed cycle in a directed graph is a non-empty directed trail in which only the first and last vertices are equal.
A graph without cycles is called an acyclic graph. A directed graph without directed cycl... | Mathematics | Graph theory | null |
168651 | https://en.wikipedia.org/wiki/High-performance%20liquid%20chromatography | High-performance liquid chromatography | High-performance liquid chromatography (HPLC), formerly referred to as high-pressure liquid chromatography, is a technique in analytical chemistry used to separate, identify, and quantify specific components in mixtures. The mixtures can originate from food, chemicals, pharmaceuticals, biological, environmental and agr... | Physical sciences | Chromatography | Chemistry |
168682 | https://en.wikipedia.org/wiki/Panavia%20Tornado | Panavia Tornado | The Panavia Tornado is a family of twin-engine, variable-sweep wing multi-role combat aircraft, jointly developed and manufactured by Italy, the United Kingdom and Germany. There are three primary Tornado variants: the Tornado IDS (interdictor/strike) fighter-bomber, the Tornado ECR (electronic combat/reconnaissance) S... | Technology | Specific aircraft | null |
168701 | https://en.wikipedia.org/wiki/Open%20Database%20Connectivity | Open Database Connectivity | In computing, Open Database Connectivity (ODBC) is a standard application programming interface (API) for accessing database management systems (DBMS). The designers of ODBC aimed to make it independent of database systems and operating systems. An application written using ODBC can be ported to other platforms, both o... | Technology | Software development: General | null |
168738 | https://en.wikipedia.org/wiki/Uvula | Uvula | The uvula (: uvulas or uvulae), also known as the palatine uvula or staphyle, is a conic projection from the back edge of the middle of the soft palate, composed of connective tissue containing a number of racemose glands, and some muscular fibers. It also contains many serous glands, which produce thin saliva. It is o... | Biology and health sciences | Human anatomy | Health |
168752 | https://en.wikipedia.org/wiki/Palate | Palate | The palate () is the roof of the mouth in humans and other mammals. It separates the oral cavity from the nasal cavity. A similar structure is found in crocodilians, but in most other tetrapods, the oral and nasal cavities are not truly separated. The palate is divided into two parts, the anterior, bony hard palate and... | Biology and health sciences | Gastrointestinal tract | Biology |
168848 | https://en.wikipedia.org/wiki/Human%20skeleton | Human skeleton | The human skeleton is the internal framework of the human body. It is composed of around 270 bones at birth – this total decreases to around 206 bones by adulthood after some bones get fused together. The bone mass in the skeleton makes up about 14% of the total body weight (ca. 10–11 kg for an average person) and reac... | Biology and health sciences | Human anatomy | null |
168859 | https://en.wikipedia.org/wiki/Skull | Skull | The skull, or cranium, is typically a bony enclosure around the brain of a vertebrate. In some fish, and amphibians, the skull is of cartilage. The skull is at the head end of the vertebrate.
In the human the skull comprises two prominent parts: the neurocranium, and the facial skeleton. which evolved from the first... | Biology and health sciences | Skeletal system | null |
168865 | https://en.wikipedia.org/wiki/Corollary | Corollary | In mathematics and logic, a corollary ( , ) is a theorem of less importance which can be readily deduced from a previous, more notable statement. A corollary could, for instance, be a proposition which is incidentally proved while proving another proposition; it might also be used more casually to refer to something w... | Mathematics | Basics | null |
168907 | https://en.wikipedia.org/wiki/Na%C3%AFve%20physics | Naïve physics | Naïve physics or folk physics is the untrained human perception of basic physical phenomena. In the field of artificial intelligence the study of naïve physics is a part of the effort to formalize the common knowledge of human beings.
Many ideas of folk physics are simplifications, misunderstandings, or misperceptions... | Physical sciences | Physics basics: General | Physics |
168927 | https://en.wikipedia.org/wiki/Somatic%20cell%20nuclear%20transfer | Somatic cell nuclear transfer | In genetics and developmental biology, somatic cell nuclear transfer (SCNT) is a laboratory strategy for creating a viable embryo from a body cell and an egg cell. The technique consists of taking a denucleated oocyte (egg cell) and implanting a donor nucleus from a somatic (body) cell. It is used in both therapeutic a... | Technology | Biotechnology | null |
168986 | https://en.wikipedia.org/wiki/Glycogen | Glycogen | Glycogen is a multibranched polysaccharide of glucose that serves as a form of energy storage in animals, fungi, and bacteria. It is the main storage form of glucose in the human body.
Glycogen functions as one of three regularly used forms of energy reserves, creatine phosphate being for very short-term, glycogen be... | Biology and health sciences | Biochemistry and molecular biology | null |
169060 | https://en.wikipedia.org/wiki/Dinofelis | Dinofelis | Dinofelis is an extinct genus of machairodontine (sabre-toothed cat), usually classified in the tribe Metailurini. It was widespread in Europe, Asia, Africa and North America from 5 million to about 1.2 million years ago (early Pliocene to early Pleistocene). Fossils very similar to Dinofelis from Lothagam range back t... | Biology and health sciences | Other carnivora | Animals |
169071 | https://en.wikipedia.org/wiki/Smilodon | Smilodon | Smilodon is an extinct genus of felids. It is one of the best known saber-toothed predators and prehistoric mammals. Although commonly known as the saber-toothed tiger, it was not closely related to the tiger or other modern cats, belonging to the extinct subfamily Machairodontinae, with an estimated date of divergence... | Biology and health sciences | Carnivora | null |
169180 | https://en.wikipedia.org/wiki/Typesetting | Typesetting | Typesetting is the composition of text for publication, display, or distribution by means of arranging physical type (or sort) in mechanical systems or glyphs in digital systems representing characters (letters and other symbols). Stored types are retrieved and ordered according to a language's orthography for visual d... | Technology | Printing | null |
169191 | https://en.wikipedia.org/wiki/Shape | Shape | A shape is a graphical representation of an object's form or its external boundary, outline, or external surface. It is distinct from other object properties, such as color, texture, or material type.
In geometry, shape excludes information about the object's position, size, orientation and chirality.
A figure is a rep... | Mathematics | Geometry | null |
169193 | https://en.wikipedia.org/wiki/Twig | Twig | A twig is a thin, often short, branch of a tree or bush.
The buds on the twig are an important diagnostic characteristic, as are the abscission scars where the leaves have fallen away. The color, texture, and patterning of the twig bark are also important, in addition to the thickness and nature of any pith of the twi... | Biology and health sciences | Plant stem | Biology |
169197 | https://en.wikipedia.org/wiki/Acrux | Acrux | Acrux is the brightest star in the southern constellation of Crux. It has the Bayer designation α Crucis, which is Latinised to Alpha Crucis and abbreviated Alpha Cru or α Cru. With a combined visual magnitude of +0.76, it is the 13th-brightest star in the night sky. It is the most southerly star of the asterism known ... | Physical sciences | Notable stars | Astronomy |
169208 | https://en.wikipedia.org/wiki/Marsh | Marsh | In ecology, a marsh is a wetland that is dominated by herbaceous plants rather than by woody plants. More in general, the word can be used for any low-lying and seasonally waterlogged terrain. In Europe and in agricultural literature low-lying meadows that require draining and embanked polderlands are also referred to ... | Physical sciences | Wetlands | null |
169262 | https://en.wikipedia.org/wiki/Intuitionistic%20logic | Intuitionistic logic | Intuitionistic logic, sometimes more generally called constructive logic, refers to systems of symbolic logic that differ from the systems used for classical logic by more closely mirroring the notion of constructive proof. In particular, systems of intuitionistic logic do not assume the law of the excluded middle and ... | Mathematics | Mathematical logic | null |
169270 | https://en.wikipedia.org/wiki/Macrophage | Macrophage | Macrophages (; abbreviated Mφ, MΦ or MP) are a type of white blood cell of the innate immune system that engulf and digest pathogens, such as cancer cells, microbes, cellular debris and foreign substances, which do not have proteins that are specific to healthy body cells on their surface. This process is called phagoc... | Biology and health sciences | Immune system | Biology |
169312 | https://en.wikipedia.org/wiki/Monoceros | Monoceros | Monoceros (Greek: , "unicorn") is a faint constellation on the celestial equator. Its definition is attributed to the 17th-century cartographer Petrus Plancius. It is bordered by Orion to the west, Gemini to the north, Canis Major to the south, and Hydra to the east. Other bordering constellations include Canis Minor, ... | Physical sciences | Other | Astronomy |
3051520 | https://en.wikipedia.org/wiki/Footballfish | Footballfish | The footballfish form a family, Himantolophidae, of globose, deep-sea anglerfishes found in tropical and subtropical waters of the Atlantic, Indian, and Pacific Ocean. The family contains 23 species, all of which are classified in a single genus, Himantolophus.
Taxonomy
The footballfish genus, Himantolophus was first ... | Biology and health sciences | Acanthomorpha | Animals |
3051962 | https://en.wikipedia.org/wiki/Homography | Homography | In projective geometry, a homography is an isomorphism of projective spaces, induced by an isomorphism of the vector spaces from which the projective spaces derive. It is a bijection that maps lines to lines, and thus a collineation. In general, some collineations are not homographies, but the fundamental theorem of pr... | Mathematics | Non-Euclidean geometry | null |
3053322 | https://en.wikipedia.org/wiki/Capsule%20%28pharmacy%29 | Capsule (pharmacy) | In the manufacture of pharmaceuticals, encapsulation refers to a range of dosage forms—techniques used to enclose medicines—in a relatively stable shell known as a capsule, allowing them to, for example, be taken orally or be used as suppositories. The two main types of capsules are:
Hard-shelled capsules, which conta... | Biology and health sciences | General concepts_2 | Health |
3053507 | https://en.wikipedia.org/wiki/Crystal%20growth | Crystal growth | A crystal is a solid material whose constituent atoms, molecules, or ions are arranged in an orderly repeating pattern extending in all three spatial dimensions. Crystal growth is a major stage of a crystallization process, and consists of the addition of new atoms, ions, or polymer strings into the characteristic arra... | Physical sciences | Crystallography | Physics |
3054853 | https://en.wikipedia.org/wiki/Three-dimensional%20space | Three-dimensional space | In geometry, a three-dimensional space (3D space, 3-space or, rarely, tri-dimensional space) is a mathematical space in which three values (coordinates) are required to determine the position of a point. Most commonly, it is the three-dimensional Euclidean space, that is, the Euclidean space of dimension three, which m... | Mathematics | Geometry and topology | null |
3054910 | https://en.wikipedia.org/wiki/Juniperus%20scopulorum | Juniperus scopulorum | Juniperus scopulorum, the Rocky Mountain juniper, is a species of juniper native to western North America, from southwest Canada to the Great Plains of the United States and small areas of northern Mexico. They are the most widespread of all the New World junipers. They are relatively small trees, occasionally just a l... | Biology and health sciences | Cupressaceae | Plants |
3055080 | https://en.wikipedia.org/wiki/Ragamuffin%20cat | Ragamuffin cat | The Ragamuffin is a breed of domestic cat. It was once considered to be a variant of the Ragdoll cat but was established as a separate breed in 1994. Ragamuffins are notable for their friendly personalities and thick fur.
General description
The physical traits of the breed include a rectangular, broad-chested body ... | Biology and health sciences | Cats | Animals |
17384301 | https://en.wikipedia.org/wiki/Liver | Liver | The liver is a major metabolic organ exclusively found in vertebrate animals, which performs many essential biological functions such as detoxification of the organism, and the synthesis of proteins and various other biochemicals necessary for digestion and growth. In humans, it is located in the right upper quadrant o... | Biology and health sciences | Biology | null |
13455478 | https://en.wikipedia.org/wiki/Animal%20coloration | Animal coloration | Animal colouration is the general appearance of an animal resulting from the reflection or emission of light from its surfaces. Some animals are brightly coloured, while others are hard to see. In some species, such as the peafowl, the male has strong patterns, conspicuous colours and is iridescent, while the female is... | Biology and health sciences | Zoology: General | null |
2212484 | https://en.wikipedia.org/wiki/Eastern%20lowland%20gorilla | Eastern lowland gorilla | The eastern lowland gorilla (Gorilla beringei graueri) or Grauer's gorilla is a Critically Endangered subspecies of eastern gorilla endemic to the mountainous forests of eastern Democratic Republic of the Congo. Important populations of this gorilla live in the Kahuzi-Biega and Maiko National Parks and their adjacent ... | Biology and health sciences | Apes | Animals |
2212867 | https://en.wikipedia.org/wiki/Detailed%20balance | Detailed balance | The principle of detailed balance can be used in kinetic systems which are decomposed into elementary processes (collisions, or steps, or elementary reactions). It states that at equilibrium, each elementary process is in equilibrium with its reverse process.
History
The principle of detailed balance was explicitly i... | Physical sciences | Statistical mechanics | Physics |
2215876 | https://en.wikipedia.org/wiki/Burrow | Burrow | A burrow is a hole or tunnel excavated into the ground by an animal to construct a space suitable for habitation or temporary refuge, or as a byproduct of locomotion. Burrows provide a form of shelter against predation and exposure to the elements, and can be found in nearly every biome and among various biological in... | Biology and health sciences | Shelters and structures | Animals |
2216445 | https://en.wikipedia.org/wiki/Three-field%20system | Three-field system | The three-field system is a regime of crop rotation in which a field is planted with one set of crops one year, a different set in the second year, and left fallow in the third year. A set of crops is rotated from one field to another. The technique was first used in China in the Eastern Zhou period, and was adopted in... | Technology | Soil and soil management | null |
1010280 | https://en.wikipedia.org/wiki/File%20system | File system | In computing, a file system or filesystem (often abbreviated to FS or fs) governs file organization and access. A local file system is a capability of an operating system that services the applications running on the same computer. A distributed file system is a protocol that provides file access between networked comp... | Technology | Data storage | null |
1010583 | https://en.wikipedia.org/wiki/Crate | Crate | A crate is a large shipping container, often made of wood, typically used to transport or store large, heavy items. Steel and aluminium crates are also used. Specialized crates were designed for specific products, and were often made to be reusable, such as the "bottle crates" for milk and soft drinks.
Crates can be m... | Technology | Containers | null |
1010773 | https://en.wikipedia.org/wiki/Heiligenschein | Heiligenschein | (; ) is an optical phenomenon in which a bright spot appears around the shadow of the viewer's head in the presence of dew. In photogrammetry and remote sensing, it is more commonly known as the hotspot. It is also occasionally known as Cellini's halo after the Italian artist and writer Benvenuto Cellini (15001571), wh... | Physical sciences | Atmospheric optics | Earth science |
1011848 | https://en.wikipedia.org/wiki/Fixed-point%20theorem | Fixed-point theorem | In mathematics, a fixed-point theorem is a result saying that a function F will have at least one fixed point (a point x for which F(x) = x), under some conditions on F that can be stated in general terms.
In mathematical analysis
The Banach fixed-point theorem (1922) gives a general criterion guaranteeing that, if i... | Mathematics | Functions: General | null |
1012996 | https://en.wikipedia.org/wiki/Helium-4 | Helium-4 | Helium-4 () is a stable isotope of the element helium. It is by far the more abundant of the two naturally occurring isotopes of helium, making up about 99.99986% of the helium on Earth. Its nucleus is identical to an alpha particle, and consists of two protons and two neutrons.
Helium-4 makes up about one quarter of ... | Physical sciences | s-Block | Chemistry |
1014366 | https://en.wikipedia.org/wiki/Potassium%20iodide | Potassium iodide | Potassium iodide is a chemical compound, medication, and dietary supplement. It is a medication used for treating hyperthyroidism, in radiation emergencies, and for protecting the thyroid gland when certain types of radiopharmaceuticals are used. It is also used for treating skin sporotrichosis and phycomycosis. It is ... | Physical sciences | Halide salts | Chemistry |
5579717 | https://en.wikipedia.org/wiki/Bird%20anatomy | Bird anatomy | Bird anatomy, or the physiological structure of birds' bodies, shows many unique adaptations, mostly aiding flight. Birds have a light skeletal system and light but powerful musculature which, along with circulatory and respiratory systems capable of very high metabolic rates and oxygen supply, permit the bird to fly. ... | Biology and health sciences | Basic anatomy | Biology |
8774050 | https://en.wikipedia.org/wiki/Telecommunications%20engineering | Telecommunications engineering | Telecommunications engineering is a subfield of electronics engineering which seeks to design and devise systems of communication at a distance. The work ranges from basic circuit design to strategic mass developments. A telecommunication engineer is responsible for designing and overseeing the installation of telecomm... | Technology | Disciplines | null |
14610284 | https://en.wikipedia.org/wiki/Insect%20mouthparts | Insect mouthparts | Insects have mouthparts that may vary greatly across insect species, as they are adapted to particular modes of feeding. The earliest insects had chewing mouthparts. Most specialisation of mouthparts are for piercing and sucking, and this mode of feeding has evolved a number of times independently. For example, mosquit... | Biology and health sciences | Gastrointestinal tract | Biology |
7270635 | https://en.wikipedia.org/wiki/Yellow-throated%20marten | Yellow-throated marten | The yellow-throated marten (Martes flavigula) is a marten species native to the Himalayas, Southeast and East Asia. Its coat is bright yellow-golden, and its head and back are distinctly darker, blending together black, white, golden-yellow and brown. It is the second-largest marten in the Old World, after the Nilgiri ... | Biology and health sciences | Mustelidae | Animals |
7272384 | https://en.wikipedia.org/wiki/Neocallimastigomycota | Neocallimastigomycota | Neocallimastigomycota is a phylum containing anaerobic fungi, which are symbionts found in the digestive tracts of larger herbivores. Anaerobic fungi were originally placed within phylum Chytridiomycota, within Order Neocallimastigales but later raised to phylum level, a decision upheld by later phylogenetic reconstru... | Biology and health sciences | Basics | Plants |
338336 | https://en.wikipedia.org/wiki/All-terrain%20vehicle | All-terrain vehicle | An all-terrain vehicle (ATV), also known as a light utility vehicle (LUV), a quad bike or quad (if it has four wheels), as defined by the American National Standards Institute (ANSI), is a vehicle that travels on low-pressure tires, has a seat that is straddled by the operator, and has handlebars, similar to a motorcyc... | Technology | Motorized road transport | null |
338407 | https://en.wikipedia.org/wiki/Longline%20fishing | Longline fishing | Longline fishing, or longlining, is a commercial fishing angling technique that uses a long main line with baited hooks attached at intervals via short branch lines called snoods or gangions. A snood is attached to the main line using a clip or swivel, with the hook at the other end. Longlines are classified mainly by... | Technology | Hunting and fishing | null |
338454 | https://en.wikipedia.org/wiki/Arboretum | Arboretum | An arboretum (: arboreta) is a botanical collection composed exclusively of trees and shrubs of a variety of species. Originally mostly created as a section in a larger garden or park for specimens of mostly non-local species, many modern arboreta are in botanical gardens as living collections of woody plants and are ... | Technology | Buildings and infrastructure | null |
338574 | https://en.wikipedia.org/wiki/Dianthus | Dianthus | Dianthus ( ) is a genus of about 340 species of flowering plants in the family Caryophyllaceae, native mainly to Europe and Asia, with a few species in north Africa and in southern Africa, and one species (D. repens) in arctic North America. Common names include carnation (D. caryophyllus), pink (D. plumarius and relat... | Biology and health sciences | Caryophyllales | Plants |
338705 | https://en.wikipedia.org/wiki/Scientific%20community | Scientific community | The scientific community is a diverse network of interacting scientists. It includes many "sub-communities" working on particular scientific fields, and within particular institutions; interdisciplinary and cross-institutional activities are also significant. Objectivity is expected to be achieved by the scientific met... | Physical sciences | Science basics | Basics and measurement |
338946 | https://en.wikipedia.org/wiki/Space%20complexity | Space complexity | The space complexity of an algorithm or a data structure is the amount of memory space required to solve an instance of the computational problem as a function of characteristics of the input. It is the memory required by an algorithm until it executes completely. This includes the memory space used by its inputs, call... | Mathematics | Complexity theory | null |
339024 | https://en.wikipedia.org/wiki/Length%20contraction | Length contraction | Length contraction is the phenomenon that a moving object's length is measured to be shorter than its proper length, which is the length as measured in the object's own rest frame. It is also known as Lorentz contraction or Lorentz–FitzGerald contraction (after Hendrik Lorentz and George Francis FitzGerald) and is usua... | Physical sciences | Theory of relativity | Physics |
339130 | https://en.wikipedia.org/wiki/Wootz%20steel | Wootz steel | Wootz steel is a crucible steel characterized by a pattern of bands and high carbon content. These bands are formed by sheets of microscopic carbides within a tempered martensite or pearlite matrix in higher-carbon steel, or by ferrite and pearlite banding in lower-carbon steels. It was a pioneering steel alloy develop... | Physical sciences | Iron alloys | Chemistry |
339399 | https://en.wikipedia.org/wiki/Weevil | Weevil | Weevils are beetles belonging to the superfamily Curculionoidea, known for their elongated snouts. They are usually small – less than in length – and herbivorous. Approximately 97,000 species of weevils are known. They belong to several families, with most of them in the family Curculionidae (the true weevils). It als... | Biology and health sciences | Beetles (Coleoptera) | null |
339488 | https://en.wikipedia.org/wiki/Cloning%20vector | Cloning vector | A cloning vector is a small piece of DNA that can be stably maintained in an organism, and into which a foreign DNA fragment can be inserted for cloning purposes. The cloning vector may be DNA taken from a virus, the cell of a higher organism, or it may be the plasmid of a bacterium. The vector contains features that a... | Biology and health sciences | Molecular biology | Biology |
339542 | https://en.wikipedia.org/wiki/Semiprime | Semiprime | In mathematics, a semiprime is a natural number that is the product of exactly two prime numbers. The two primes in the product may equal each other, so the semiprimes include the squares of prime numbers.
Because there are infinitely many prime numbers, there are also infinitely many semiprimes. Semiprimes are also ca... | Mathematics | Prime numbers | null |
339612 | https://en.wikipedia.org/wiki/Tomahawk | Tomahawk | A tomahawk is a type of single-handed axe used by the many Indigenous peoples and nations of North America. It traditionally resembles a hatchet with a straight shaft. In pre-colonial times the head was made of stone, bone, or antler, and European settlers later introduced heads of iron and steel. The term came into th... | Technology | Melee weapons | null |
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