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2900052 | https://en.wikipedia.org/wiki/Calorimeter%20%28particle%20physics%29 | Calorimeter (particle physics) | In experimental particle physics, a calorimeter is a type of detector that measures the energy of particles. Particles enter the calorimeter and initiate a particle shower in which their energy is deposited in the calorimeter, collected, and measured. The energy may be measured in its entirety, requiring total contai... | Physical sciences | Devices | Physics |
2902373 | https://en.wikipedia.org/wiki/Prehensile-tailed%20porcupine | Prehensile-tailed porcupine | The prehensile-tailed porcupines or coendous (genus Coendou) are found in Central and South America. Two other formerly recognized Neotropical tree porcupine genera, Echinoprocta and Sphiggurus, have been subsumed into Coendou, since Sphiggurus was shown by genetic studies to be polyphyletic, while Echinoprocta nested ... | Biology and health sciences | Rodents | Animals |
2903625 | https://en.wikipedia.org/wiki/Nadir | Nadir | The nadir is the direction pointing directly below a particular location; that is, it is one of two vertical directions at a specified location, orthogonal to a horizontal flat surface.
The direction opposite of the nadir is the zenith.
Definitions
Space science
Since the concept of being below is itself somewhat va... | Physical sciences | Celestial sphere: General | Astronomy |
21541335 | https://en.wikipedia.org/wiki/Nitrososphaerota | Nitrososphaerota | The Nitrososphaerota (syn. Thaumarchaeota) are a phylum of the Archaea proposed in 2008 after the genome of Cenarchaeum symbiosum was sequenced and found to differ significantly from other members of the hyperthermophilic phylum Thermoproteota (formerly Crenarchaeota). Three described species in addition to C. symbio... | Biology and health sciences | Archaea | Plants |
2088910 | https://en.wikipedia.org/wiki/Maritime%20passenger%20terminal | Maritime passenger terminal | A passenger terminal is a structure in a port which services passengers boarding and leaving water vessels such as ferries, cruise ships and ocean liners. Depending on the types of vessels serviced by the terminal, it may be named (for example) ferry terminal, cruise terminal, marine terminal or maritime passenger term... | Technology | Coastal infrastructure | null |
2090039 | https://en.wikipedia.org/wiki/Geology%20of%20Mercury | Geology of Mercury | The geology of Mercury is the scientific study of the surface, crust, and interior of the planet Mercury. It emphasizes the composition, structure, history, and physical processes that shape the planet. It is analogous to the field of terrestrial geology. In planetary science, the term geology is used in its broadest s... | Physical sciences | Solar System | Astronomy |
2091630 | https://en.wikipedia.org/wiki/Iron%28II%29%20sulfide | Iron(II) sulfide | Iron(II) sulfide or ferrous sulfide (Br.E. sulphide) is one of a family of chemical compounds and minerals with the approximate formula . Iron sulfides are often iron-deficient non-stoichiometric. All are black, water-insoluble solids.
Preparation and structure
FeS can be obtained by the heating of iron and sulfur:... | Physical sciences | Sulfide salts | Chemistry |
5248591 | https://en.wikipedia.org/wiki/Shower%20gel | Shower gel | Shower gel (also called body wash) is a specialized liquid product used for cleaning the body during showers. Not to be confused with liquid soaps, shower gels, in fact, do not contain saponified oil. Instead, it uses synthetic detergents derived from either petroleum or plant sources.
Body washes and shower gels have... | Biology and health sciences | Hygiene products | Health |
33158412 | https://en.wikipedia.org/wiki/Scholarly%20peer%20review | Scholarly peer review | Scholarly peer review or academic peer review (also known as refereeing) is the process of having a draft version of a researcher's methods and findings reviewed (usually anonymously) by experts (or "peers") in the same field. Peer review is widely used for helping the academic publisher (that is, the editor-in-chief,... | Physical sciences | Science basics | Basics and measurement |
3895284 | https://en.wikipedia.org/wiki/Tidal%20range | Tidal range | Tidal range is the difference in height between high tide and low tide. Tides are the rise and fall of sea levels caused by gravitational forces exerted by the Moon and Sun, by Earth's rotation and by centrifugal force caused by Earth's progression around the Earth-Moon barycenter. Tidal range depends on time and locat... | Physical sciences | Oceanography | Earth science |
3898548 | https://en.wikipedia.org/wiki/Borophagus | Borophagus | Borophagus ("gluttonous eater") is an extinct genus of the subfamily Borophaginae, a group of canids endemic to North America from the Middle Miocene epoch through the Early Pleistocene epoch 12—1.8 Mya.
Evolution
Borophagus, like other borophagines, are loosely known as "bone-crushing" or "hyena-like" dogs. Though no... | Biology and health sciences | Other carnivora | Animals |
27815938 | https://en.wikipedia.org/wiki/Parent%20hydride | Parent hydride | In chemistry, a parent hydride in IUPAC nomenclature refers to a main group compound with the formula , where A is a main group element. The names of parent hydrides end with -ane, analogous with the nomenclature for alkanes. Derivatives of parent hydrides are named by appending prefixes or suffixes to the name of the ... | Physical sciences | Nomenclature | Chemistry |
24521450 | https://en.wikipedia.org/wiki/Diaphoretickes | Diaphoretickes | Diaphoretickes ( ) is a major group of eukaryotic organisms, with over 400,000 species. The majority of the earth's biomass that carries out photosynthesis belongs to Diaphoretickes.
Phylogeny
In 2012 the term Diaphoretickes was coined, and received the following phylogenetic definition:
The placement of Hemimastigo... | Biology and health sciences | Bikonts | Plants |
2908792 | https://en.wikipedia.org/wiki/Acasta%20Gneiss | Acasta Gneiss | The Acasta Gneiss Complex, also called the Acasta Gneiss, is a body of felsic to ultramafic Archean basement rocks, gneisses, that form the northwestern edge of the Slave Craton in the Northwest Territories, Canada, about north of Yellowknife, Canada. This geologic complex consists largely of tonalitic and granodiorit... | Physical sciences | Geologic features | Earth science |
2909308 | https://en.wikipedia.org/wiki/Pressure%20gradient | Pressure gradient | In hydrodynamics and hydrostatics, the pressure gradient (typically of air but more generally of any fluid) is a physical quantity that describes in which direction and at what rate the pressure increases the most rapidly around a particular location. The pressure gradient is a dimensional quantity expressed in units o... | Physical sciences | Thermodynamics | Physics |
37205436 | https://en.wikipedia.org/wiki/Saltwater%20fish | Saltwater fish | Saltwater fish, also called marine fish or sea fish, are fish that live in seawater. Saltwater fish can swim and live alone or in a large group called a school.
Saltwater fish are very commonly kept in aquariums for entertainment. Many saltwater fish are also caught to be eaten, or grown in aquaculture. However, many ... | Biology and health sciences | Fishes by habitat | Animals |
1442361 | https://en.wikipedia.org/wiki/Four-bar%20linkage | Four-bar linkage | In the study of mechanisms, a four-bar linkage, also called a four-bar, is the simplest closed-chain movable linkage. It consists of four bodies, called bars or links, connected in a loop by four joints. Generally, the joints are configured so the links move in parallel planes, and the assembly is called a planar four-... | Technology | Mechanisms | null |
1443028 | https://en.wikipedia.org/wiki/Polar%20vortex | Polar vortex | A circumpolar vortex, or simply polar vortex, is a large region of cold, rotating air; polar vortices encircle both of Earth's polar regions. Polar vortices also exist on other rotating, low-obliquity planetary bodies. The term polar vortex can be used to describe two distinct phenomena; the stratospheric polar vortex,... | Physical sciences | Atmospheric circulation | null |
29113700 | https://en.wikipedia.org/wiki/Autism | Autism | Autism spectrum disorder (ASD), or simply autism, is a neurodevelopmental disorder "characterized by persistent deficits in social communication and social interaction across multiple contexts" and "restricted, repetitive patterns of behavior, interests, or activities". Sensory abnormalities are also included in the di... | Biology and health sciences | Mental disorder | null |
945670 | https://en.wikipedia.org/wiki/Cirque | Cirque | A (; from the Latin word ) is an amphitheatre-like valley formed by glacial erosion. Alternative names for this landform are corrie (from , meaning a pot or cauldron) and ; ). A cirque may also be a similarly shaped landform arising from fluvial erosion.
The concave shape of a glacial cirque is open on the downhill s... | Physical sciences | Glacial landforms | Earth science |
945696 | https://en.wikipedia.org/wiki/Acanthodii | Acanthodii | Acanthodii or acanthodians is an extinct class of gnathostomes (jawed fishes). They are currently considered to represent a paraphyletic grade of various fish lineages basal to extant Chondrichthyes, which includes living sharks, rays, and chimaeras. Acanthodians possess a mosaic of features shared with both osteichthy... | Biology and health sciences | Fishes | null |
945957 | https://en.wikipedia.org/wiki/New%20Foundations | New Foundations | In mathematical logic, New Foundations (NF) is a non-well-founded, finitely axiomatizable set theory conceived by Willard Van Orman Quine as a simplification of the theory of types of Principia Mathematica.
Definition
The well-formed formulas of NF are the standard formulas of propositional calculus with two primiti... | Mathematics | Axiomatic systems | null |
946319 | https://en.wikipedia.org/wiki/Orpiment | Orpiment | Orpiment, also known as ″yellow arsenic blende″ is a deep-colored, orange-yellow arsenic sulfide mineral with formula . It is found in volcanic fumaroles, low-temperature hydrothermal veins, and hot springs and may be formed through sublimation.
Orpiment takes its name from the Latin auripigmentum (aurum, "gold" + pig... | Physical sciences | Minerals | Earth science |
946975 | https://en.wikipedia.org/wiki/Line%20%28geometry%29 | Line (geometry) | In geometry, a straight line, usually abbreviated line, is an infinitely long object with no width, depth, or curvature, an idealization of such physical objects as a straightedge, a taut string, or a ray of light. Lines are spaces of dimension one, which may be embedded in spaces of dimension two, three, or higher. Th... | Mathematics | Geometry and topology | null |
947038 | https://en.wikipedia.org/wiki/Bird%20nest | Bird nest | A bird nest is the spot in which a bird lays and incubates its eggs and raises its young. Although the term popularly refers to a specific structure made by the bird itself—such as the grassy cup nest of the American robin or Eurasian blackbird, or the elaborately woven hanging nest of the Montezuma oropendola or the v... | Biology and health sciences | Shelters and structures | Animals |
947692 | https://en.wikipedia.org/wiki/Dredging | Dredging | Dredging is the excavation of material from a water environment. Possible reasons for dredging include improving existing water features; reshaping land and water features to alter drainage, navigability, and commercial use; constructing dams, dikes, and other controls for streams and shorelines; and recovering valuabl... | Technology | Hydraulic infrastructure | null |
948422 | https://en.wikipedia.org/wiki/Fell%20Terrier | Fell Terrier | Fell terrier refers to a regional type of long-legged working terrier, not a specific breed of dog.
Description and purpose
Fell terriers are types of small working terriers developed in the fell country of Northern England and used as hunting dogs. They may be crossbred or purebred. Fell terrier types are typically ... | Biology and health sciences | Dogs | Animals |
948821 | https://en.wikipedia.org/wiki/Afrocarpus | Afrocarpus | Afrocarpus is a genus of conifer of the family Podocarpaceae. Two to six species are recognized. They are evergreen trees native to Africa. Afrocarpus was designated a genus in 1989, when several species formerly classified in Podocarpus and Nageia were reclassified.
Taxonomy
Afrocarpus gaussenii was based on a single... | Biology and health sciences | Pinophyta (Conifers) | Plants |
948919 | https://en.wikipedia.org/wiki/Goliath%20birdeater | Goliath birdeater | The Goliath birdeater (Theraphosa blondi) belongs to the tarantula family Theraphosidae. Found in northern South America, it is the largest spider in the world by mass () and body length (up to ), and second to the giant huntsman spider by leg span. It is also called the Goliath tarantula or Goliath bird-eating spider;... | Biology and health sciences | Spiders | Animals |
2095010 | https://en.wikipedia.org/wiki/Merbromin | Merbromin | Merbromin (marketed as Mercurochrome, Merbromine, Mercurocol, Sodium mercurescein, Asceptichrome, Supercrome, Brocasept and Cinfacromin) is an organomercuric disodium salt compound used as a topical antiseptic for minor cuts and scrapes and as a biological dye. Readily available in most countries, it is no longer sold... | Physical sciences | Organic salts | Chemistry |
2096232 | https://en.wikipedia.org/wiki/Geology%20of%20the%20Moon | Geology of the Moon | The geology of the Moon (sometimes called selenology, although the latter term can refer more generally to "lunar science") is quite different from that of Earth. The Moon lacks a true atmosphere, and the absence of free oxygen and water eliminates erosion due to weather. Instead, the surface is eroded much more slowly... | Physical sciences | Solar System | Astronomy |
2099579 | https://en.wikipedia.org/wiki/Rhynchocinetidae | Rhynchocinetidae | The family Rhynchocinetidae are a group of small, reclusive red-and-white shrimp. This family typically has an upward-hinged foldable rostrum, hence its taxon name Rhynchocinetidae, which means movable beak; this gives these shrimps their common name of hinge-beak shrimps. The family contains only two genera, Cinetorhy... | Biology and health sciences | Shrimps and prawns | Animals |
35852419 | https://en.wikipedia.org/wiki/Aphrophoridae | Aphrophoridae | The Aphrophoridae are a family of spittlebugs belonging to the order Hemiptera. There are at least 160 genera and 990 described species in Aphrophoridae.
European genera
Aphrophora Germar 1821
Lepyronia Amyot & Serville 1843
Mesoptyelus Matsumura 1904
Neophilaenus Haupt 1935
Paraphilaenus Vilbaste 1962
Peuceptye... | Biology and health sciences | Hemiptera (true bugs) | Animals |
24536042 | https://en.wikipedia.org/wiki/Feces | Feces | Feces (or faeces; : faex) are the solid or semi-solid remains of food that was not digested in the small intestine, and has been broken down by bacteria in the large intestine. Feces contain a relatively small amount of metabolic waste products such as bacterially altered bilirubin, and dead epithelial cells from the l... | Biology and health sciences | Gastrointestinal tract | Biology |
24536543 | https://en.wikipedia.org/wiki/Eukaryote | Eukaryote | The eukaryotes ( ) constitute the domain of Eukaryota or Eukarya, organisms whose cells have a membrane-bound nucleus. All animals, plants, fungi, seaweeds, and many unicellular organisms are eukaryotes. They constitute a major group of life forms alongside the two groups of prokaryotes: the Bacteria and the Archaea. E... | Biology and health sciences | Biology | null |
24539067 | https://en.wikipedia.org/wiki/Ardi | Ardi | Ardi (ARA-VP-6/500) is the designation of the fossilized skeletal remains of an Ardipithecus ramidus, thought to be an early human-like female anthropoid 4.4 million years old. It is the most complete early hominid specimen, with most of the skull, teeth, pelvis, hands and feet, more complete than the previously known ... | Biology and health sciences | Australopithecines | Biology |
21556842 | https://en.wikipedia.org/wiki/Photographic%20film | Photographic film | Photographic film is a strip or sheet of transparent film base coated on one side with a gelatin emulsion containing microscopically small light-sensitive silver halide crystals. The sizes and other characteristics of the crystals determine the sensitivity, contrast, and resolution of the film. Film is typically segmen... | Technology | Optical instruments | null |
21561194 | https://en.wikipedia.org/wiki/Fall%20armyworm | Fall armyworm | The fall armyworm (Spodoptera frugiperda) is a species in the order Lepidoptera and one of the species of the fall armyworm moths distinguished by their larval life stage. The term "armyworm" can refer to several species, often describing the large-scale invasive behavior of the species' larval stage. It is regarded as... | Biology and health sciences | Lepidoptera | Animals |
3907049 | https://en.wikipedia.org/wiki/Lesser%20florican | Lesser florican | The lesser florican (Sypheotides indicus), also known as the likh or kharmore, is the smallest in the bustard family and the only member of the genus Sypheotides. It is endemic to the Indian Subcontinent where it is found in tall grasslands and is best known for the leaping breeding displays made by the males during th... | Biology and health sciences | Basics | Animals |
23046498 | https://en.wikipedia.org/wiki/Andalusian%20horse | Andalusian horse | The Andalusian, also known as the Pure Spanish Horse or PRE (), is a horse breed from the Iberian Peninsula, where its ancestors have lived for thousands of years. The Andalusian has been recognized as a distinct breed since the 15th century, and its conformation has changed very little over the centuries. Throughout i... | Biology and health sciences | Horses | null |
2910801 | https://en.wikipedia.org/wiki/Petroleum%20reservoir | Petroleum reservoir | A petroleum reservoir or oil and gas reservoir is a subsurface accumulation of hydrocarbons contained in porous or fractured rock formations. Such reservoirs form when kerogen (ancient plant matter) is created in surrounding rock by the presence of high heat and pressure in the Earth's crust.
Reservoirs are broadly c... | Technology | Fuel | null |
2911772 | https://en.wikipedia.org/wiki/Chalicotheriidae | Chalicotheriidae | Chalicotheriidae (from Greek chalix, "gravel" and therion, "beast") is an extinct family of herbivorous, odd-toed ungulate (perissodactyl) mammals that lived in North America, Eurasia, and Africa from the Middle Eocene to the Early Pleistocene. They are often called chalicotheres, a term which is also applied to the br... | Biology and health sciences | Perissodactyla | Animals |
2915941 | https://en.wikipedia.org/wiki/Pouteria%20sapota | Pouteria sapota | Pouteria sapota, the mamey sapote, is a species of tree native to Mexico and Central America. The tree is also cultivated in the Caribbean. Its fruit is eaten in many Latin American countries. The fruit is made into foods such as milkshakes and ice cream.
Some of its names in Latin American countries, such as (Cuba)... | Biology and health sciences | Tropical and tropical-like fruit | Plants |
33183231 | https://en.wikipedia.org/wiki/Freshwater%20crab | Freshwater crab | Around 1,300 species of freshwater crabs are distributed throughout the tropics and subtropics, divided among eight families. They show direct development and maternal care of a small number of offspring, in contrast to marine crabs, which release thousands of planktonic larvae. This limits the dispersal abilities of f... | Biology and health sciences | Crabs and hermit crabs | Animals |
5264689 | https://en.wikipedia.org/wiki/Yukon%20Gold%20potato | Yukon Gold potato | 'Yukon Gold' is a large cultivar of potato most distinctly characterized by its thin, smooth, eye-free skin and yellow-tinged flesh. This potato was developed in the 1960s by Garnet ("Gary") Johnston in Guelph, Ontario, Canada, with the help of Geoff Rowberry at the University of Guelph. The official cross bred strain ... | Biology and health sciences | Root vegetables | Plants |
5269284 | https://en.wikipedia.org/wiki/Altostratus%20undulatus%20cloud | Altostratus undulatus cloud | The altostratus undulatus is a type of altostratus cloud with signature undulations within it. These undulations may be visible (usually as "wavy bases"), but frequently they are indiscernible to the naked eye. These formations will generally appear in the early stages of destabilizing return flows, especially over the... | Physical sciences | Clouds | Earth science |
38662000 | https://en.wikipedia.org/wiki/Port%20of%20Port%20Hedland | Port of Port Hedland | Port Hedland is one of the largest iron ore loading ports in the world and the largest in Australia. In 2022, it had the largest bulk cargo throughput in Australia. With the neighbouring ports of Port Walcott and Dampier, Port Hedland is one of three major iron ore exporting ports in the Pilbara region of Western Austr... | Technology | Specific piers and ports | null |
1446187 | https://en.wikipedia.org/wiki/Lime%20%28color%29 | Lime (color) | Lime is a color that is a shade of yellow-green, so named because it is a representation of the color of the citrus fruit called limes. It is the color that is in between the web color chartreuse and yellow on the color wheel. Alternate names for this color included yellow-green, lemon-lime, lime green, or bitter lime.... | Physical sciences | Colors | Physics |
1447448 | https://en.wikipedia.org/wiki/Key%20lime | Key lime | The Key lime or acid lime (Citrus × aurantiifolia or C. aurantifolia) is a citrus hybrid (C. hystrix × C. medica) native to tropical Southeast Asia. It has a spherical fruit, in diameter. The Key lime is usually picked while it is still green, but it becomes yellow when ripe.
The Key lime has thinner rind and is smal... | Biology and health sciences | Citrus fruits | Plants |
1447904 | https://en.wikipedia.org/wiki/Kerr%E2%80%93Newman%20metric | Kerr–Newman metric | The Kerr–Newman metric describes the spacetime geometry around a mass which is electrically charged and rotating. It is a vacuum solution which generalizes the Kerr metric (which describes an uncharged, rotating mass) by additionally taking into account the energy of an electromagnetic field, making it the most general... | Physical sciences | Theory of relativity | Physics |
1448322 | https://en.wikipedia.org/wiki/Sodium%20bromide | Sodium bromide | Sodium bromide is an inorganic compound with the formula . It is a high-melting white, crystalline solid that resembles sodium chloride. It is a widely used source of the bromide ion and has many applications.
Synthesis, structure, reactions
NaBr crystallizes in the same cubic motif as NaCl, NaF and NaI. The anhydrous... | Physical sciences | Halide salts | Chemistry |
1448472 | https://en.wikipedia.org/wiki/Laplacian%20matrix | Laplacian matrix | In the mathematical field of graph theory, the Laplacian matrix, also called the graph Laplacian, admittance matrix, Kirchhoff matrix or discrete Laplacian, is a matrix representation of a graph. Named after Pierre-Simon Laplace, the graph Laplacian matrix can be viewed as a matrix form of the negative discrete Laplace... | Mathematics | Graph theory | null |
1449031 | https://en.wikipedia.org/wiki/Activity%20coefficient | Activity coefficient | In thermodynamics, an activity coefficient is a factor used to account for deviation of a mixture of chemical substances from ideal behaviour. In an ideal mixture, the microscopic interactions between each pair of chemical species are the same (or macroscopically equivalent, the enthalpy change of solution and volume v... | Physical sciences | Thermodynamics | Chemistry |
1449175 | https://en.wikipedia.org/wiki/Degree%20matrix | Degree matrix | In the mathematical field of algebraic graph theory, the degree matrix of an undirected graph is a diagonal matrix which contains information about the degree of each vertex—that is, the number of edges attached to each vertex. It is used together with the adjacency matrix to construct the Laplacian matrix of a graph: ... | Mathematics | Graph theory | null |
1449823 | https://en.wikipedia.org/wiki/Plotopteridae | Plotopteridae | Plotopteridae is an extinct family of flightless seabirds with uncertain placement, generally considered as member of order Suliformes. They exhibited remarkable convergent evolution with the penguins, particularly with the now extinct giant penguins. That they lived in the North Pacific, the other side of the world fr... | Biology and health sciences | Prehistoric birds | Animals |
1449983 | https://en.wikipedia.org/wiki/Natural%20reservoir | Natural reservoir | In infectious disease ecology and epidemiology, a natural reservoir, also known as a disease reservoir or a reservoir of infection, is the population of organisms or the specific environment in which an infectious pathogen naturally lives and reproduces, or upon which the pathogen primarily depends for its survival. A ... | Biology and health sciences | Concepts | Health |
1450081 | https://en.wikipedia.org/wiki/Sequence%20stratigraphy | Sequence stratigraphy | Sequence stratigraphy is a branch of geology, specifically a branch of stratigraphy, that attempts to discern and understand historic geology through time by subdividing and linking sedimentary deposits into unconformity bounded units on a variety of scales. The essence of the method is mapping of strata based on ident... | Physical sciences | Stratigraphy | Earth science |
24556191 | https://en.wikipedia.org/wiki/European%20rabbit | European rabbit | The European rabbit (Oryctolagus cuniculus) or coney is a species of rabbit native to the Iberian Peninsula (Spain, Portugal and Andorra) and southwestern France. It is the only extant species in the genus Oryctolagus. The European rabbit has faced a population decline in its native range due to myxomatosis, rabbit hem... | Biology and health sciences | Lagomorphs | Animals |
40017873 | https://en.wikipedia.org/wiki/Diabetes | Diabetes | Diabetes, also known as diabetes mellitus, is a group of common endocrine diseases characterized by sustained high blood sugar levels. Diabetes is due to either the pancreas not producing enough insulin, or the cells of the body becoming unresponsive to the hormone's effects. Classic symptoms include polydipsia (excess... | Biology and health sciences | Illness and injury | null |
33192846 | https://en.wikipedia.org/wiki/Rickshaw | Rickshaw | Rickshaw originally denoted a pulled rickshaw, which is a two- or three-wheeled cart generally pulled by one person carrying one passenger. The first known use of the term was in 1879. Over time, cycle rickshaws (also known as pedicabs or trishaws), auto rickshaws, and electric rickshaws were invented, and have replace... | Technology | Road transport | null |
25970423 | https://en.wikipedia.org/wiki/IPad | IPad | The iPad is a brand of iOS- and iPadOS-based tablet computers that are developed and marketed by Apple. The first-generation iPad was introduced on January 27, 2010. Since then, the iPad product line has been expanded to include the smaller iPad Mini, the lighter and thinner iPad Air, and the flagship iPad Pro models. ... | Technology | Specific hardware | null |
3910825 | https://en.wikipedia.org/wiki/Cusk-eel | Cusk-eel | The cusk-eel family, Ophidiidae, is a group of marine bony fishes in the Ophidiiformes order. The scientific name is from the Greek ophis meaning "snake", and refers to their eel-like appearance. True eels diverged from other ray-finned fish during the Jurassic, while cusk-eels are part of the Percomorpha clade, along ... | Biology and health sciences | Acanthomorpha | Animals |
3912709 | https://en.wikipedia.org/wiki/Multiple%20%28mathematics%29 | Multiple (mathematics) | In mathematics, a multiple is the product of any quantity and an integer. In other words, for the quantities a and b, it can be said that b is a multiple of a if b = na for some integer n, which is called the multiplier. If a is not zero, this is equivalent to saying that is an integer.
When a and b are both integers... | Mathematics | Basics | null |
3917234 | https://en.wikipedia.org/wiki/Tetracycline%20antibiotics | Tetracycline antibiotics | Tetracyclines are a group of broad-spectrum antibiotic compounds that have a common basic structure and are either isolated directly from several species of Streptomyces bacteria or produced semi-synthetically from those isolated compounds. Tetracycline molecules comprise a linear fused tetracyclic nucleus (rings desig... | Biology and health sciences | Antibiotics | Health |
3917813 | https://en.wikipedia.org/wiki/Rutherford%20model | Rutherford model | The Rutherford model is a name for the first model of an atom with a compact nucleus. The concept arose from Ernest Rutherford discovery of the nucleus. Rutherford directed the Geiger–Marsden experiment in 1909, which showed much more alpha particle recoil than J. J. Thomson's plum pudding model of the atom could expla... | Physical sciences | Atomic physics | Physics |
21578485 | https://en.wikipedia.org/wiki/Color%20space | Color space | A color space is a specific organization of colors. In combination with color profiling supported by various physical devices, it supports reproducible representations of colorwhether such representation entails an analog or a digital representation. A color space may be arbitrary, i.e. with physically realized colors ... | Physical sciences | Basics | Physics |
35869003 | https://en.wikipedia.org/wiki/Human%20mouth | Human mouth | In human anatomy, the mouth is the first portion of the alimentary canal that receives food and produces saliva. The oral mucosa is the mucous membrane epithelium lining the inside of the mouth.
In addition to its primary role as the beginning of the digestive system, the mouth also plays a significant role in communi... | Biology and health sciences | Human anatomy | Health |
2916607 | https://en.wikipedia.org/wiki/Force%20field%20%28physics%29 | Force field (physics) | In physics, a force field is a vector field corresponding with a non-contact force acting on a particle at various positions in space. Specifically, a force field is a vector field , where is the force that a particle would feel if it were at the position .
Examples
Gravity is the force of attraction between two obje... | Physical sciences | Classical mechanics | Physics |
2916631 | https://en.wikipedia.org/wiki/Sodium%20sulfide | Sodium sulfide | Sodium sulfide is a chemical compound with the formula Na2S, or more commonly its hydrate Na2S·9H2O. Both the anhydrous and the hydrated salts in pure crystalline form are colorless solids, although technical grades of sodium sulfide are generally yellow to brick red owing to the presence of polysulfides and commonly s... | Physical sciences | Sulfide salts | Chemistry |
2918131 | https://en.wikipedia.org/wiki/Rabbitfish | Rabbitfish | Rabbitfishes or spinefoots, genus Siganus, are perciform fishes in the family Siganidae. It is the only extant genus in its family and has 29 species. In some now obsolete classifications, the species having prominent face stripes—colloquially called foxfaces–are in the genus Lo. Other species, such as the masked spin... | Biology and health sciences | Acanthomorpha | Animals |
949263 | https://en.wikipedia.org/wiki/Stele%20%28biology%29 | Stele (biology) | In a vascular plant, the stele is the central part of the root or stem containing the tissues derived from the procambium. These include vascular tissue, in some cases ground tissue (pith) and a pericycle, which, if present, defines the outermost boundary of the stele. Outside the stele lies the endodermis, which is th... | Biology and health sciences | Plant stem | Biology |
949620 | https://en.wikipedia.org/wiki/Placoderm | Placoderm | Placoderms (from Greek πλάξ (plax, plakos) 'plate' and δέρμα (derma) 'skin') are vertebrate animals of the class Placodermi, an extinct group of prehistoric fish known from Paleozoic fossils during the Silurian and the Devonian periods. While their endoskeletons are mainly cartilaginous, their head and thorax were cove... | Biology and health sciences | Fishes | null |
950991 | https://en.wikipedia.org/wiki/Little%20finger | Little finger | The little finger or pinkie, also known as the baby finger, fifth digit, or pinky finger, is the most ulnar and smallest digit of the human hand, and next to the ring finger.
Etymology
The word "pinkie" is derived from the Dutch word pink, meaning "little finger".
The earliest recorded use of the term "pinkie" is fro... | Biology and health sciences | Human anatomy | Health |
950992 | https://en.wikipedia.org/wiki/Elevator%20%28aeronautics%29 | Elevator (aeronautics) | Elevators are flight control surfaces, usually at the rear of an aircraft, which control the aircraft's pitch, and therefore the angle of attack and the lift of the wing. The elevators are usually hinged to the tailplane or horizontal stabilizer. They may be the only pitch control surface present, and are sometimes lo... | Technology | Aircraft components | null |
952459 | https://en.wikipedia.org/wiki/Bed%20bug | Bed bug | Bed bugs are parasitic insects from the genus Cimex, who are micropredators that feed on blood, usually at night. Their bites can result in a number of health impacts, including skin rashes, psychological effects, and allergic symptoms. Bed bug bites may lead to skin changes ranging from small areas of redness to promi... | Biology and health sciences | Hemiptera (true bugs) | null |
952702 | https://en.wikipedia.org/wiki/Anthurium | Anthurium | Anthurium (; Schott, 1829) is a genus of about 1,000 species of flowering plants, the largest genus of the arum family, Araceae. General common names include anthurium, tailflower, flamingo flower, pigtail plant, and laceleaf.
The genus is native to the Americas, where it is distributed from northern Mexico to norther... | Biology and health sciences | Monocots | null |
953081 | https://en.wikipedia.org/wiki/Sericulture | Sericulture | Sericulture, or silk farming, is the cultivation of silkworms to produce silk. Although there are several commercial species of silkworms, the caterpillar of the domestic silkmoth is the most widely used and intensively studied silkworm. This species of silkmoth is no longer found in the wild as they have been modified... | Technology | Agriculture_2 | null |
953105 | https://en.wikipedia.org/wiki/Commelina | Commelina | Commelina is a genus of approximately 170 species commonly called dayflowers due to the short lives of their flowers. They are less often known as widow's tears. It is by far the largest genus of its family, Commelinaceae. The Swedish taxonomist Carl Linnaeus of the 18th century named the genus after the two Dutch bota... | Biology and health sciences | Commelinales | Plants |
27850086 | https://en.wikipedia.org/wiki/Small%20modular%20reactor | Small modular reactor | The small modular reactor (SMR) is a class of small nuclear fission reactor, designed to be built in a factory, shipped to operational sites for installation and then used to power buildings or other commercial operations. The term SMR refers to the size, capacity and modular construction. Reactor type and the nuclear ... | Technology | Power generation | null |
5275240 | https://en.wikipedia.org/wiki/Photon%20gas | Photon gas | In physics, a photon gas is a gas-like collection of photons, which has many of the same properties of a conventional gas like hydrogen or neon – including pressure, temperature, and entropy. The most common example of a photon gas in equilibrium is the black-body radiation.
Photons are part of a family of particles k... | Physical sciences | Thermodynamics | Physics |
34693203 | https://en.wikipedia.org/wiki/Terrestrial%20crab | Terrestrial crab | A number of lineages of crabs have evolved to live predominantly on land. Examples of terrestrial crabs are found in the families Gecarcinidae and Gecarcinucidae, as well as in selected genera from other families, such as Sesarma, although the term "land crab" is often used to mean solely the family Gecarcinidae.
Terr... | Biology and health sciences | Crabs and hermit crabs | Animals |
1450654 | https://en.wikipedia.org/wiki/Lablab | Lablab | Lablab purpureus is a species of bean in the family Fabaceae. It is native to sub-Saharan Africa and India and it is cultivated throughout the tropics for food. English language common names include hyacinth bean, lablab-bean bonavist bean/pea, dolichos bean, seim or sem bean, lablab bean, Egyptian kidney bean, Indian ... | Biology and health sciences | Pulses | Plants |
1452308 | https://en.wikipedia.org/wiki/Borosilicate%20glass | Borosilicate glass | Borosilicate glass is a type of glass with silica and boron trioxide as the main glass-forming constituents. Borosilicate glasses are known for having very low coefficients of thermal expansion (≈3 × 10−6 K−1 at 20 °C), making them more resistant to thermal shock than any other common glass. Such glass is subjected to ... | Technology | Materials | null |
1452399 | https://en.wikipedia.org/wiki/Vigna%20aconitifolia | Vigna aconitifolia | Vigna aconitifolia is a drought-resistant legume, commonly grown in arid and semi-arid regions of India. It is commonly called mat bean, moth bean, matki or dew bean. The pods, sprouts and protein-rich seeds of this crop are commonly consumed in India. Moth bean can be grown on many soil types, and can also act as a pa... | Biology and health sciences | Pulses | Plants |
1454654 | https://en.wikipedia.org/wiki/Spinning%20frame | Spinning frame | The spinning frame is an Industrial Revolution invention for spinning thread or yarn from fibres such as wool or cotton in a mechanized way. It was developed in 18th-century Britain by Richard Arkwright and John Kay.
Historical context
In 1760 England, yarn production from wool, flax and cotton was still a cottage i... | Technology | Spinning | null |
1454895 | https://en.wikipedia.org/wiki/Flying%20junction | Flying junction | A flying junction or flyover is a railway junction at which one or more diverging or converging tracks in a multiple-track route cross other tracks on the route by bridge to avoid conflict with other train movements. A more technical term is "grade-separated junction". A burrowing junction or dive-under occurs where th... | Technology | Transport infrastructure | null |
1455603 | https://en.wikipedia.org/wiki/BEST%20theorem | BEST theorem | In graph theory, a part of discrete mathematics, the BEST theorem gives a product formula for the number of Eulerian circuits in directed (oriented) graphs. The name is an acronym of the names of people who discovered it: N. G. de Bruijn, Tatyana Ehrenfest, Cedric Smith and W. T. Tutte.
Precise statement
Let G = (V... | Mathematics | Graph theory | null |
33198793 | https://en.wikipedia.org/wiki/Ligia | Ligia | Ligia is a genus of isopods, commonly known as rock lice or sea slaters. Most Ligia species live in tidal zone cliffs and rocky beaches, but there are several fully terrestrial species which occur in high-humidity environments.
Ecology
Coastal Ligia species exhibit a mixture of terrestrial and marine characteristics,... | Biology and health sciences | Malacostraca | Animals |
21580073 | https://en.wikipedia.org/wiki/Pollicipes%20pollicipes | Pollicipes pollicipes | Pollicipes pollicipes, known as the goose neck barnacle, goose barnacle or leaf barnacle is a species of goose barnacle, also well known under the taxonomic synonym Pollicipes cornucopia. It is closely related to Pollicipes polymerus, a species with the same common names, but found on the Pacific coast of North America... | Biology and health sciences | Crustaceans | Animals |
21581881 | https://en.wikipedia.org/wiki/Pharynx | Pharynx | The pharynx (: pharynges) is the part of the throat behind the mouth and nasal cavity, and above the esophagus and trachea (the tubes going down to the stomach and the lungs respectively). It is found in vertebrates and invertebrates, though its structure varies across species. The pharynx carries food to the esophagus... | Biology and health sciences | Gastrointestinal tract | Biology |
2101485 | https://en.wikipedia.org/wiki/Beat%20%28acoustics%29 | Beat (acoustics) | In acoustics, a beat is an interference pattern between two sounds of slightly different frequencies, perceived as a periodic variation in volume whose rate is the difference of the two frequencies.
With tuning instruments that can produce sustained tones, beats can be readily recognized. Tuning two tones to a unison ... | Physical sciences | Waves | Physics |
2101553 | https://en.wikipedia.org/wiki/Saline%20water | Saline water | Saline water (more commonly known as salt water) is water that contains a high concentration of dissolved salts (mainly sodium chloride). On the United States Geological Survey (USGS) salinity scale, saline water is saltier than brackish water, but less salty than brine. The salt concentration is usually expressed in p... | Physical sciences | Water: General | Earth science |
2102802 | https://en.wikipedia.org/wiki/Rockslide | Rockslide | A rockslide is a type of landslide caused by rock failure in which part of the bedding plane of failure passes through compacted rock and material collapses en masse and not in individual blocks. Note that a rockslide is similar to an avalanche because they are both slides of debris that can bury a piece of land. While... | Physical sciences | Geomorphology: General | Earth science |
2105550 | https://en.wikipedia.org/wiki/Bradymetabolism | Bradymetabolism | Bradymetabolism refers to organisms with a high active metabolism and a considerably slower resting metabolism. Bradymetabolic animals can often undergo dramatic changes in metabolic speed, according to food availability and temperature. Many bradymetabolic creatures in deserts and in areas that experience extreme wint... | Biology and health sciences | Basics | Biology |
30681089 | https://en.wikipedia.org/wiki/Mandible | Mandible | In jawed vertebrates, the mandible (from the Latin mandibula, 'for chewing'), lower jaw, or jawbone is a bone that makes up the lowerand typically more mobilecomponent of the mouth (the upper jaw being known as the maxilla).
The jawbone is the skull's only movable, posable bone, sharing joints with the cranium's tempo... | Biology and health sciences | Human anatomy | Health |
30683135 | https://en.wikipedia.org/wiki/Yellow-bellied%20sea%20snake | Yellow-bellied sea snake | The yellow-bellied sea snake (Hydrophis platurus) is an extremely venomous species of snake from the subfamily Hydrophiinae (the sea snakes) found in tropical oceanic waters around the world except for the Atlantic Ocean. For many years, it was placed in the monotypic genus Pelamis, but recent molecular evidence indi... | Biology and health sciences | Snakes | Animals |
30688796 | https://en.wikipedia.org/wiki/Quercus%20oblongifolia | Quercus oblongifolia | Quercus oblongifolia, commonly known as the Mexican blue oak, Arizona blue oak, Blue live oak or Sonoran blue oak, is an evergreen small tree or large shrub in the white oak group.
Distribution
Quercus oblongifolia grows in high grasslands, canyons and mesas in southwestern United States (Texas, Arizona and New Mexico... | Biology and health sciences | Fagales | Plants |
3919387 | https://en.wikipedia.org/wiki/Remineralisation | Remineralisation | In biogeochemistry, remineralisation (or remineralization) refers to the breakdown or transformation of organic matter (those molecules derived from a biological source) into its simplest inorganic forms. These transformations form a crucial link within ecosystems as they are responsible for liberating the energy store... | Physical sciences | Geochemistry | Earth science |
3925077 | https://en.wikipedia.org/wiki/Binary%20pulsar | Binary pulsar | A binary pulsar is a pulsar with a binary companion, often a white dwarf or neutron star. (In at least one case, the double pulsar PSR J0737-3039, the companion neutron star is another pulsar as well.) Binary pulsars are one of the few objects which allow physicists to test general relativity because of the strong gra... | Physical sciences | Stellar astronomy | Astronomy |
3925533 | https://en.wikipedia.org/wiki/Enumerative%20combinatorics | Enumerative combinatorics | Enumerative combinatorics is an area of combinatorics that deals with the number of ways that certain patterns can be formed. Two examples of this type of problem are counting combinations and counting permutations. More generally, given an infinite collection of finite sets Si indexed by the natural numbers, enumerat... | Mathematics | Combinatorics | null |
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