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196110 | https://en.wikipedia.org/wiki/Hooded%20crow | Hooded crow | The hooded crow (Corvus cornix), also called the scald-crow or hoodie, is a Eurasian bird species in the genus Corvus. Widely distributed, it is found across Northern, Eastern, and Southeastern Europe, as well as parts of the Middle East. It is an ashy grey bird with black head, throat, wings, tail, and thigh feathers,... | Biology and health sciences | Corvoidea | Animals |
196121 | https://en.wikipedia.org/wiki/Platelet | Platelet | Platelets or thrombocytes () are a blood component whose function (along with the coagulation factors) is to react to bleeding from blood vessel injury by clumping, thereby initiating a blood clot. Platelets have no cell nucleus; they are fragments of cytoplasm derived from the megakaryocytes of the bone marrow or lung... | Biology and health sciences | Circulatory system | Biology |
196130 | https://en.wikipedia.org/wiki/Bone%20marrow | Bone marrow | Bone marrow is a semi-solid tissue found within the spongy (also known as cancellous) portions of bones. In birds and mammals, bone marrow is the primary site of new blood cell production (or haematopoiesis). It is composed of hematopoietic cells, marrow adipose tissue, and supportive stromal cells. In adult humans, bo... | Biology and health sciences | Skeletal system | Biology |
196147 | https://en.wikipedia.org/wiki/House%20sparrow | House sparrow | The house sparrow (Passer domesticus) is a bird of the sparrow family Passeridae, found in most parts of the world. It is a small bird that has a typical length of and a mass of . Females and young birds are coloured pale brown and grey, and males have brighter black, white, and brown markings. One of about 25 species... | Biology and health sciences | Passerida | null |
196206 | https://en.wikipedia.org/wiki/Longevity | Longevity | Longevity may refer to especially long-lived members of a population, whereas life expectancy is defined statistically as the average number of years remaining at a given age. For example, a population's life expectancy at birth is the same as the average age at death for all people born in the same year (in the case o... | Biology and health sciences | Animal ontogeny | null |
196347 | https://en.wikipedia.org/wiki/Common%20pheasant | Common pheasant | The common pheasant (Phasianus colchicus), ring-necked pheasant, or blue-headed pheasant, a bird in the pheasant family (Phasianidae). The genus name comes from Latin phasianus 'pheasant'. The species name colchicus is Latin for 'of Colchis' (modern day Georgia), a country on the Black Sea where pheasants became known ... | Biology and health sciences | Galliformes | null |
196493 | https://en.wikipedia.org/wiki/Non-coding%20RNA | Non-coding RNA | A non-coding RNA (ncRNA) is a functional RNA molecule that is not translated into a protein. The DNA sequence from which a functional non-coding RNA is transcribed is often called an RNA gene. Abundant and functionally important types of non-coding RNAs include transfer RNAs (tRNAs) and ribosomal RNAs (rRNAs), as well ... | Biology and health sciences | Molecular biology | Biology |
196523 | https://en.wikipedia.org/wiki/Toxoplasma%20gondii | Toxoplasma gondii | Toxoplasma gondii () is a species of parasitic alveolate that causes toxoplasmosis. Found worldwide, T. gondii is capable of infecting virtually all warm-blooded animals, but felids are the only known definitive hosts in which the parasite may undergo sexual reproduction.
In rodents, T. gondii alters behavior in ways ... | Biology and health sciences | SAR supergroup | Plants |
196741 | https://en.wikipedia.org/wiki/SARS | SARS | Severe acute respiratory syndrome (SARS) is a viral respiratory disease of zoonotic origin caused by the virus SARS-CoV-1, the first identified strain of the SARS-related coronavirus. The first known cases occurred in November 2002, and the syndrome caused the 2002–2004 SARS outbreak. In the 2010s, Chinese scientists t... | Biology and health sciences | Infectious disease | null |
196782 | https://en.wikipedia.org/wiki/Kaffir%20lime | Kaffir lime | Citrus hystrix, called the kaffir lime, Thai lime or makrut lime, (, ) is a citrus fruit native to tropical Southeast Asia.
Its fruit and leaves are used in Southeast Asian cuisine, and its essential oil is used in perfumery. Its rind and crushed leaves emit an intense citrus fragrance.
Names
"Kaffir" is thought to ... | Biology and health sciences | Citrus fruits | Plants |
196788 | https://en.wikipedia.org/wiki/Steam%20locomotive | Steam locomotive | A steam locomotive is a locomotive that provides the force to move itself and other vehicles by means of the expansion of steam. It is fuelled by burning combustible material (usually coal, oil or, rarely, wood) to heat water in the locomotive's boiler to the point where it becomes gaseous and its volume increases 1,70... | Technology | Trains | null |
196974 | https://en.wikipedia.org/wiki/Cough | Cough | A cough is a sudden expulsion of air through the large breathing passages which can help clear them of fluids, irritants, foreign particles and microbes. As a protective reflex, coughing can be repetitive with the cough reflex following three phases: an inhalation, a forced exhalation against a closed glottis, and a vi... | Biology and health sciences | Symptoms and signs | Health |
197002 | https://en.wikipedia.org/wiki/Endoscopy | Endoscopy | An endoscopy is a procedure used in medicine to look inside the body. The endoscopy procedure uses an endoscope to examine the interior of a hollow organ or cavity of the body. Unlike many other medical imaging techniques, endoscopes are inserted directly into the organ.
There are many types of endoscopies. Depending ... | Technology | Diagnostic technologies | null |
197020 | https://en.wikipedia.org/wiki/Gallbladder | Gallbladder | In vertebrates, the gallbladder, also known as the cholecyst, is a small hollow organ where bile is stored and concentrated before it is released into the small intestine. In humans, the pear-shaped gallbladder lies beneath the liver, although the structure and position of the gallbladder can vary significantly among a... | Biology and health sciences | Gastrointestinal tract | Biology |
197037 | https://en.wikipedia.org/wiki/Artificial%20organ | Artificial organ | An artificial organ is a human-made organ device or tissue that is implanted or integrated into a humaninterfacing with living tissueto replace a natural organ, to duplicate or augment a specific function or functions so the patient may return to a normal life as soon as possible. The replaced function does not have to... | Technology | Devices | null |
197112 | https://en.wikipedia.org/wiki/Bumblebee | Bumblebee | A bumblebee (or bumble bee, bumble-bee, or humble-bee) is any of over 250 species in the genus Bombus, part of Apidae, one of the bee families. This genus is the only extant group in the tribe Bombini, though a few extinct related genera (e.g., Calyptapis) are known from fossils. They are found primarily in higher alti... | Biology and health sciences | Hymenoptera | null |
197179 | https://en.wikipedia.org/wiki/Sexual%20dimorphism | Sexual dimorphism | Sexual dimorphism is the condition where sexes of the same species exhibit different morphological characteristics, including characteristics not directly involved in reproduction. The condition occurs in most dioecious species, which consist of most animals and some plants. Differences may include secondary sex charac... | Biology and health sciences | Basics_2 | null |
197191 | https://en.wikipedia.org/wiki/Rock%20dove | Rock dove | The rock dove, rock pigeon, or common pigeon ( also ; Columba livia) is a member of the bird family Columbidae (doves and pigeons). In common usage, it is often simply referred to as the "pigeon", although this is the wild form of the bird; the pigeons most familiar to people are the domesticated form of the wild rock ... | Biology and health sciences | Columbiformes | null |
197301 | https://en.wikipedia.org/wiki/Chassepot | Chassepot | The Chassepot (pronounced SHAS-poh), officially known as Fusil modèle 1866, was a bolt-action military breechloading rifle. It is famous for having been the arm of the French forces in the Franco-Prussian War of 1870–1871. It replaced an assortment of Minié muzzleloading rifles, many of which were converted in 1864 to... | Technology | Specific firearms | null |
197341 | https://en.wikipedia.org/wiki/Arleigh%20Burke-class%20destroyer | Arleigh Burke-class destroyer | The Arleigh Burke class of guided-missile destroyers (DDGs) is a United States Navy class of destroyer centered around the Aegis Combat System and the SPY-1D multi-function passive electronically scanned array radar. The class is named after Admiral Arleigh Burke, an American destroyer officer in World War II and later... | Technology | Naval warfare | null |
197407 | https://en.wikipedia.org/wiki/Red-winged%20blackbird | Red-winged blackbird | The red-winged blackbird (Agelaius phoeniceus) is a passerine bird of the family Icteridae found in most of North America and much of Central America. It breeds from Alaska and Newfoundland south to Florida, the Gulf of Mexico, Mexico, and Guatemala, with isolated populations in western El Salvador, northwestern Hondur... | Biology and health sciences | Passerida | Animals |
197489 | https://en.wikipedia.org/wiki/SIM%20card | SIM card | A SIM (Subscriber Identity Module) card is an integrated circuit (IC) intended to securely store an international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephone devices (such as mobile phones and laptops). SIMs are also able to s... | Technology | Telecommunications | null |
197590 | https://en.wikipedia.org/wiki/Madrid%20Metro | Madrid Metro | The Madrid Metro (Spanish: Metro de Madrid) is a rapid transit system serving the city of Madrid, capital of Spain. The system is the 14th longest rapid transit system in the world, with a total length of 293 km (182 mi). Its growth between 1995 and 2007 put it among the fastest-growing networks in the world at the tim... | Technology | Spain | null |
197742 | https://en.wikipedia.org/wiki/Sambucus | Sambucus | Sambucus is a genus of flowering plants in the family Adoxaceae. The various species are commonly referred to as elder, elderflower or elderberry.
Description
The oppositely arranged leaves are pinnate with 5–9 leaflets (or, rarely, 3 or 11). Each leaf is long, and the leaflets have serrated margins. They bear larg... | Biology and health sciences | Berries | Plants |
197767 | https://en.wikipedia.org/wiki/Radioactive%20decay | Radioactive decay | Radioactive decay (also known as nuclear decay, radioactivity, radioactive disintegration, or nuclear disintegration) is the process by which an unstable atomic nucleus loses energy by radiation. A material containing unstable nuclei is considered radioactive. Three of the most common types of decay are alpha, beta, an... | Physical sciences | Physics | null |
197817 | https://en.wikipedia.org/wiki/General%20practitioner | General practitioner | A general practitioner (GP) or family physician is a doctor who is a consultant in general practice.
GPs have distinct expertise and experience in providing whole person medical care, whilst managing the complexity, uncertainty and risk associated with the continuous care they provide. GPs work at the heart of their ... | Biology and health sciences | Health professionals | Health |
197847 | https://en.wikipedia.org/wiki/Imperative%20programming | Imperative programming | In computer science, imperative programming is a programming paradigm of software that uses statements that change a program's state. In much the same way that the imperative mood in natural languages expresses commands, an imperative program consists of commands for the computer to perform. Imperative programming focu... | Technology | Software development: General | null |
197964 | https://en.wikipedia.org/wiki/Electron%20affinity | Electron affinity | The electron affinity (Eea) of an atom or molecule is defined as the amount of energy released when an electron attaches to a neutral atom or molecule in the gaseous state to form an anion.
X(g) + e− → X−(g) + energy
This differs by sign from the energy change of electron capture ionization. The electron affinity is p... | Physical sciences | Periodic table | Chemistry |
198030 | https://en.wikipedia.org/wiki/Pont%20du%20Gard | Pont du Gard | The Pont du Gard is an ancient Roman aqueduct bridge built in the first century AD to carry water over to the Roman colony of Nemausus (Nîmes). It crosses the river Gardon near the town of Vers-Pont-du-Gard in southern France. The Pont du Gard is one of the best preserved Roman aqueduct bridges. It was added to UNESC... | Technology | Bridges | null |
198041 | https://en.wikipedia.org/wiki/Crane%20%28bird%29 | Crane (bird) | Cranes are a type of large bird with long legs and necks in the biological family Gruidae of the order Gruiformes. The family has 15 species placed in four genera which are Antigone, Balearica, Leucogeranus, and Grus. They are large birds with long necks and legs, a tapering form, and long secondary feathers on the win... | Biology and health sciences | Gruiformes | null |
198134 | https://en.wikipedia.org/wiki/Gruiformes | Gruiformes | The Gruiformes ( ) are an order containing a considerable number of living and extinct bird families, with a widespread geographical diversity. Gruiform means "crane-like".
Traditionally, a number of wading and terrestrial bird families that did not seem to belong to any other order were classified together as Gruifor... | Biology and health sciences | Gruiformes | null |
198154 | https://en.wikipedia.org/wiki/Beak | Beak | The beak, bill, or rostrum is an external anatomical structure found mostly in birds, but also in turtles, non-avian dinosaurs and a few mammals. A beak is used for pecking, grasping, and holding (in probing for food, eating, manipulating and carrying objects, killing prey, or fighting), preening, courtship, and feedin... | Biology and health sciences | External anatomy and regions of the body | Biology |
198204 | https://en.wikipedia.org/wiki/Tetragonal%20crystal%20system | Tetragonal crystal system | In crystallography, the tetragonal crystal system is one of the 7 crystal systems. Tetragonal crystal lattices result from stretching a cubic lattice along one of its lattice vectors, so that the cube becomes a rectangular prism with a square base (a by a) and height (c, which is different from a).
Bravais lattices
... | Physical sciences | Crystallography | Physics |
198207 | https://en.wikipedia.org/wiki/Rec.%20601 | Rec. 601 | ITU-R Recommendation BT.601, more commonly known by the abbreviations Rec. 601 or BT.601 (or its former name CCIR 601), is a standard originally issued in 1982 by the CCIR (an organization, which has since been renamed as the International Telecommunication Union Radiocommunication sector) for encoding interlaced analo... | Physical sciences | Basics | Physics |
198290 | https://en.wikipedia.org/wiki/Chinchilla | Chinchilla | Chinchilla refers to either of two species (Chinchilla chinchilla and Chinchilla lanigera) of crepuscular rodents of the parvorder Caviomorpha, and are native to the Andes mountains in South America. They live in colonies called "herds" at high elevations up to . Historically, chinchillas lived in an area that included... | Biology and health sciences | Rodents | Animals |
198319 | https://en.wikipedia.org/wiki/Hamiltonian%20mechanics | Hamiltonian mechanics | In physics, Hamiltonian mechanics is a reformulation of Lagrangian mechanics that emerged in 1833. Introduced by Sir William Rowan Hamilton, Hamiltonian mechanics replaces (generalized) velocities used in Lagrangian mechanics with (generalized) momenta. Both theories provide interpretations of classical mechanics and ... | Physical sciences | Classical mechanics | null |
198476 | https://en.wikipedia.org/wiki/Triangulum%20Galaxy | Triangulum Galaxy | The Triangulum Galaxy is a spiral galaxy 2.73 million light-years (ly) from Earth in the constellation Triangulum. It is catalogued as Messier 33 or NGC 598. With the D25 isophotal diameter of , the Triangulum Galaxy is the third-largest member of the Local Group of galaxies, behind the Andromeda Galaxy and the Milky W... | Physical sciences | Notable galaxies | null |
198491 | https://en.wikipedia.org/wiki/Leishmaniasis | Leishmaniasis | Leishmaniasis is a wide array of clinical manifestations caused by protozoal parasites of the Trypanosomatida genus Leishmania. It is generally spread through the bite of phlebotomine sandflies, Phlebotomus and Lutzomyia, and occurs most frequently in the tropics and sub-tropics of Africa, Asia, the Americas, and south... | Biology and health sciences | Protozoan infections | Health |
198507 | https://en.wikipedia.org/wiki/Scientific%20theory | Scientific theory | A scientific theory is an explanation of an aspect of the natural world and universe that can be or that has been repeatedly tested and has corroborating evidence in accordance with the scientific method, using accepted protocols of observation, measurement, and evaluation of results. Where possible, theories are teste... | Physical sciences | Basics | null |
198570 | https://en.wikipedia.org/wiki/Oil%20well | Oil well | An oil well is a drillhole boring in Earth that is designed to bring petroleum oil hydrocarbons to the surface. Usually some natural gas is released as associated petroleum gas along with the oil. A well that is designed to produce only gas may be termed a gas well. Wells are created by drilling down into an oil or gas... | Technology | Energy and fuel | null |
198584 | https://en.wikipedia.org/wiki/Laptop | Laptop | A laptop computer or notebook computer, also known as a laptop or notebook, is a small, portable personal computer (PC). Laptops typically have a clamshell form factor with a flat-panel screen on the inside of the upper lid and an alphanumeric keyboard and pointing device on the inside of the lower lid. Most of the com... | Technology | Computer hardware | null |
198608 | https://en.wikipedia.org/wiki/Molecular%20dynamics | Molecular dynamics | Molecular dynamics (MD) is a computer simulation method for analyzing the physical movements of atoms and molecules. The atoms and molecules are allowed to interact for a fixed period of time, giving a view of the dynamic "evolution" of the system. In the most common version, the trajectories of atoms and molecules are... | Physical sciences | Molecular physics | Physics |
12254052 | https://en.wikipedia.org/wiki/Smoking | Smoking | Smoking is a practice in which a substance is combusted and the resulting smoke is typically inhaled to be tasted and absorbed into the bloodstream of a person. Most commonly, the substance used is the dried leaves of the tobacco plant, which have been rolled with a small rectangle of paper into an elongated cylinder c... | Biology and health sciences | Drugs and medication | null |
13872655 | https://en.wikipedia.org/wiki/Trimerophytopsida | Trimerophytopsida | Trimerophytopsida (or Trimeropsida) is a class of early vascular plants from the Devonian, informally called trimerophytes. It contains genera such as Psilophyton. This group is probably paraphyletic, and is believed to be the ancestral group from which both the ferns and seed plants evolved. Different authors have tre... | Biology and health sciences | Pteridophytes | Plants |
13873010 | https://en.wikipedia.org/wiki/VizieR | VizieR | The VizieR Catalogue Service is an astronomical catalog service provided by Centre de données astronomiques de Strasbourg (CDS, Strasbourg Data Centre for astronomy). The origin of the service dates back to 1993, when it was founded by the European Space Agency as the European Space Information System (ESIS) Catalogue ... | Physical sciences | Databases | Astronomy |
13873779 | https://en.wikipedia.org/wiki/Sugarcane | Sugarcane | Sugarcane or sugar cane is a species of tall, perennial grass (in the genus Saccharum, tribe Andropogoneae) that is used for sugar production. The plants are 2–6 m (6–20 ft) tall with stout, jointed, fibrous stalks that are rich in sucrose, which accumulates in the stalk internodes. Sugarcanes belong to the grass famil... | Biology and health sciences | Poales | null |
13878118 | https://en.wikipedia.org/wiki/Iron%28III%29%20sulfate | Iron(III) sulfate | Iron(III) sulfate (or ferric sulfate), is a family of inorganic compounds with the formula Fe2(SO4)3(H2O)n. A variety of hydrates are known, including the most commonly encountered form of "ferric sulfate". Solutions are used in dyeing as a mordant, and as a coagulant for industrial wastes. Solutions of ferric sulfate... | Physical sciences | Sulfuric oxyanions | Chemistry |
3231565 | https://en.wikipedia.org/wiki/Potassium%20chromate | Potassium chromate | Potassium chromate is the inorganic compound with the formula K2CrO4. This yellow solid is the potassium salt of the chromate anion. It is a common laboratory chemical, whereas sodium chromate is important industrially.
Structure
Two crystalline forms are known, both being very similar to the corresponding potassium... | Physical sciences | Metallic oxyanions | Chemistry |
3232420 | https://en.wikipedia.org/wiki/Hydraulic%20cylinder | Hydraulic cylinder | A hydraulic cylinder (also called a linear hydraulic motor) is a mechanical actuator that is used to give a unidirectional force through a unidirectional stroke. It has many applications, notably in construction equipment (engineering vehicles), manufacturing machinery, elevators, and civil engineering.
A hydraulic cy... | Technology | Hydraulics and pneumatics | null |
3233443 | https://en.wikipedia.org/wiki/Agalychnis | Agalychnis | Agalychnis is a genus of tree frogs native to forests in Mexico, Central America and northwestern South America.
Taxonomy
The following species are recognised in the genus Agalychnis:
External links
| Biology and health sciences | Frogs and toads | Animals |
1683536 | https://en.wikipedia.org/wiki/Superbubble | Superbubble | In astronomy a superbubble or supershell is a cavity which is hundreds of light years across and is populated with hot (106 K) gas atoms, less dense than the surrounding interstellar medium, blown against that medium and carved out by multiple supernovae and stellar winds. The winds, passage and gravity of newly born ... | Physical sciences | Basics_2 | Astronomy |
2345679 | https://en.wikipedia.org/wiki/Priacanthidae | Priacanthidae | The Priacanthidae, the bigeyes, are a family of 18 species of marine ray-finned fishes. "Catalufa" is an alternate common name for some members of the Priacanthidae. The etymology of the scientific name (, to bite + , thorn) refers to the family's very rough, spined scales. The common name of "bigeye" refers to the ... | Biology and health sciences | Acanthomorpha | Animals |
2346926 | https://en.wikipedia.org/wiki/Eohippus | Eohippus | Eohippus is an extinct genus of small equid ungulates. The only species is E. angustidens, which was long considered a species of Hyracotherium (now strictly defined as a member of the Palaeotheriidae rather than the Equidae). Its remains have been identified in North America and date to the Early Eocene (Ypresian stag... | Biology and health sciences | Equidae | Animals |
2347254 | https://en.wikipedia.org/wiki/Cygnus%20A | Cygnus A | Cygnus A (3C 405) is a radio galaxy, one of the strongest radio sources in the sky. A concentrated radio source in Cygnus was discovered by Grote Reber in 1939. In 1946 Stanley Hey and his colleague James Phillips identified that the source scintillated rapidly, and must therefore be a compact object. In 1951, Cygnus A... | Physical sciences | Notable galaxies | Astronomy |
2348284 | https://en.wikipedia.org/wiki/Sperrylite | Sperrylite | Sperrylite is a platinum arsenide mineral with the chemical formula and is an opaque metallic tin white mineral which crystallizes in the isometric system with the pyrite group structure. It forms cubic, octahedral or pyritohedral crystals in addition to massive and reniform habits. It has a Mohs hardness of 6–7 and a... | Physical sciences | Minerals | Earth science |
2348548 | https://en.wikipedia.org/wiki/Cardboard%20box | Cardboard box | Cardboard boxes are industrially prefabricated boxes, primarily used for packaging goods and materials. Specialists in industry seldom use the term cardboard because it does not denote a specific material. The term cardboard may refer to a variety of heavy paper-like materials,
including card stock, corrugated fiberbo... | Technology | Containers | null |
75820 | https://en.wikipedia.org/wiki/Cork%20%28material%29 | Cork (material) | Cork is an impermeable buoyant material. It is the phellem layer of bark tissue which is harvested for commercial use primarily from Quercus suber (the cork oak), which is native to southwest Europe and northwest Africa. Cork is composed of suberin, a hydrophobic substance. Because of its impermeable, buoyant, elastic,... | Technology | Materials | null |
75838 | https://en.wikipedia.org/wiki/Pen | Pen | A pen is a common writing instrument that applies ink to a surface, usually paper, for writing or drawing. Early pens such as reed pens, quill pens, dip pens and ruling pens held a small amount of ink on a nib or in a small void or cavity that had to be periodically recharged by dipping the tip of the pen into an inkwe... | Technology | Artist's tools | null |
75873 | https://en.wikipedia.org/wiki/Nernst%20equation | Nernst equation | In electrochemistry, the Nernst equation is a chemical thermodynamical relationship that permits the calculation of the reduction potential of a reaction (half-cell or full cell reaction) from the standard electrode potential, absolute temperature, the number of electrons involved in the redox reaction, and activities... | Physical sciences | Electrochemistry | Chemistry |
75887 | https://en.wikipedia.org/wiki/Webmail | Webmail | Webmail (or web-based email) is an email service that can be accessed using a standard web browser. It contrasts with email service accessible through a specialised email client software. Additionally, many internet service providers (ISP) provide webmail as part of their internet service package. Similarly, some web h... | Technology | Computer software | null |
75971 | https://en.wikipedia.org/wiki/Sabre | Sabre | A sabre or saber ( ) is a type of backsword with a curved blade associated with the light cavalry of the early modern and Napoleonic periods. Originally associated with Central European cavalry such as the hussars, the sabre became widespread in Western Europe during the Thirty Years' War. Lighter sabres also became p... | Technology | Swords | null |
75982 | https://en.wikipedia.org/wiki/Defecation | Defecation | Defecation (or defaecation) follows digestion, and is a necessary process by which organisms eliminate a solid, semisolid, or liquid waste material known as feces from the digestive tract via the anus or cloaca. The act has a variety of names ranging from the common, like pooping or crapping, to the technical, e.g. bow... | Biology and health sciences | Basics | Biology |
76046 | https://en.wikipedia.org/wiki/Spanish%20moss | Spanish moss | Spanish moss (Tillandsia usneoides) is an epiphytic flowering plant that often grows upon large trees in tropical and subtropical climates. It is native to much of Mexico, Bermuda, the Bahamas, Central America, South America (as far south as northern Patagonia), the Southern United States, and West Indies. It has been ... | Biology and health sciences | Poales | null |
76084 | https://en.wikipedia.org/wiki/Potentiometer | Potentiometer | A potentiometer is a three-terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider. If only two terminals are used, one end and the wiper, it acts as a variable resistor or rheostat.
The measuring instrument called a potentiometer is essentially a voltage divider used for measurin... | Technology | Components | null |
76086 | https://en.wikipedia.org/wiki/Electric%20motor | Electric motor | An electric motor is a machine that converts electrical energy into mechanical energy. Most electric motors operate through the interaction between the motor's magnetic field and electric current in a wire winding to generate force in the form of torque applied on the motor's shaft. An electric generator is mechanicall... | Technology | Tools and machinery | null |
76097 | https://en.wikipedia.org/wiki/Honeysuckle | Honeysuckle | Honeysuckles are arching shrubs or twining vines in the genus Lonicera () of the family Caprifoliaceae. The genus includes 158 species native to northern latitudes in North America, Eurasia, and North Africa. Widely known species include Lonicera periclymenum (common honeysuckle or woodbine), Lonicera japonica (Japanes... | Biology and health sciences | Dipsacales | Plants |
76098 | https://en.wikipedia.org/wiki/Syringa | Syringa | Syringa is a genus of 12 currently recognized species of flowering woody plants in the olive family or Oleaceae called lilacs. These lilacs are native to woodland and scrub from southeastern Europe to eastern Asia, and widely and commonly cultivated in temperate areas elsewhere.
The genus is most closely related to Li... | Biology and health sciences | Lamiales | Plants |
76099 | https://en.wikipedia.org/wiki/Camellia | Camellia | Camellia (pronounced or ) is a genus of flowering plants in the family Theaceae. They are found in tropical and subtropical areas in eastern and southern Asia, from the Himalayas east to Japan and Indonesia. There are more than 220 described species; almost all are found in southern China and Indochina. Camellias are ... | Biology and health sciences | Ericales | null |
76142 | https://en.wikipedia.org/wiki/Hydrangea | Hydrangea | Hydrangea ( or ), commonly named the hortensia, is a genus of more than 70 species of flowering plants native to Asia and the Americas. By far the greatest species diversity is in eastern Asia, notably China, Korea, and Japan. Most are shrubs tall, but some are small trees, and others lianas reaching up to by climbin... | Biology and health sciences | Cornales | Plants |
76174 | https://en.wikipedia.org/wiki/Universal%20quantification | Universal quantification | In mathematical logic, a universal quantification is a type of quantifier, a logical constant which is interpreted as "given any", "for all", or "for any". It expresses that a predicate can be satisfied by every member of a domain of discourse. In other words, it is the predication of a property or relation to every me... | Mathematics | Mathematical logic | null |
76340 | https://en.wikipedia.org/wiki/Principal%20component%20analysis | Principal component analysis | Principal component analysis (PCA) is a linear dimensionality reduction technique with applications in exploratory data analysis, visualization and data preprocessing.
The data is linearly transformed onto a new coordinate system such that the directions (principal components) capturing the largest variation in the da... | Mathematics | Statistics | null |
76347 | https://en.wikipedia.org/wiki/Hernia | Hernia | A hernia (: hernias or herniae, from Latin, meaning 'rupture') is the abnormal exit of tissue or an organ, such as the bowel, through the wall of the cavity in which it normally resides. The term is also used for the normal development of the intestinal tract, referring to the retraction of the intestine from the extra... | Biology and health sciences | Types | Health |
76408 | https://en.wikipedia.org/wiki/Transverse%20wave | Transverse wave | In physics, a transverse wave is a wave that oscillates perpendicularly to the direction of the wave's advance. In contrast, a longitudinal wave travels in the direction of its oscillations. All waves move energy from place to place without transporting the matter in the transmission medium if there is one. Electromagn... | Physical sciences | Waves | Physics |
76653 | https://en.wikipedia.org/wiki/Naval%20architecture | Naval architecture | Naval architecture, or naval engineering, is an engineering discipline incorporating elements of mechanical, electrical, electronic, software and safety engineering as applied to the engineering design process, shipbuilding, maintenance, and operation of marine vessels and structures. Naval architecture involves basic ... | Technology | Naval transport | null |
76812 | https://en.wikipedia.org/wiki/Dipper | Dipper | Dippers are members of the genus Cinclus in the bird family Cinclidae, so-called because of their bobbing or dipping movements. They are unique among passerines for their ability to dive and swim underwater.
Taxonomy
The genus Cinclus was introduced by the German naturalist Moritz Balthasar Borkhausen in 1797 with th... | Biology and health sciences | Passerida | Animals |
76848 | https://en.wikipedia.org/wiki/Periodic%20function | Periodic function | A periodic function, also called a periodic waveform (or simply periodic wave), is a function that repeats its values at regular intervals or periods. The repeatable part of the function or waveform is called a cycle. For example, the trigonometric functions, which repeat at intervals of radians, are periodic function... | Mathematics | Functions: General | null |
76885 | https://en.wikipedia.org/wiki/Guide%20dog | Guide dog | Guide dogs (colloquially known in the US as seeing-eye dogs) are assistance dogs trained to lead blind or visually impaired people around obstacles. Although dogs can be trained to navigate various obstacles, they are red–green colour blind and incapable of interpreting street signs. The human does the directing, base... | Technology | Agriculture, labor and economy | null |
76894 | https://en.wikipedia.org/wiki/Emu | Emu | The emu (; Dromaius novaehollandiae) is a species of flightless bird endemic to Australia, where it is the tallest native bird. It is the only extant member of the genus Dromaius and the third-tallest living bird after its African ratite relatives, the common ostrich and Somali ostrich. The emu's native ranges cover mo... | Biology and health sciences | Ratites | null |
76902 | https://en.wikipedia.org/wiki/Nicotiana | Nicotiana | Nicotiana () is a genus of herbaceous plants and shrubs in the family Solanaceae, that is indigenous to the Americas, Australia, Southwestern Africa and the South Pacific. Various Nicotiana species, commonly referred to as tobacco plants, are cultivated as ornamental garden plants. N. tabacum is grown worldwide for the... | Biology and health sciences | Solanales | Plants |
76944 | https://en.wikipedia.org/wiki/Perpendicular | Perpendicular | In geometry, two geometric objects are perpendicular if they intersect at right angles, i.e. at an angle of 90 degrees or π/2 radians. The condition of perpendicularity may be represented graphically using the perpendicular symbol, ⟂. Perpendicular intersections can happen between two lines (or two line segments), bet... | Mathematics | Two-dimensional space | null |
76956 | https://en.wikipedia.org/wiki/Right%20angle | Right angle | In geometry and trigonometry, a right angle is an angle of exactly 90 degrees or radians corresponding to a quarter turn. If a ray is placed so that its endpoint is on a line and the adjacent angles are equal, then they are right angles. The term is a calque of Latin angulus rectus; here rectus means "upright", referr... | Mathematics | Geometry | null |
76988 | https://en.wikipedia.org/wiki/Electrocardiography | Electrocardiography | Electrocardiography is the process of producing an electrocardiogram (ECG or EKG), a recording of the heart's electrical activity through repeated cardiac cycles. It is an electrogram of the heart which is a graph of voltage versus time of the electrical activity of the heart using electrodes placed on the skin. These ... | Technology | Diagnostic technologies | null |
76992 | https://en.wikipedia.org/wiki/Tartaric%20acid | Tartaric acid | Tartaric acid is a white, crystalline organic acid that occurs naturally in many fruits, most notably in grapes but also in tamarinds, bananas, avocados, and citrus. Its salt, potassium bitartrate, commonly known as cream of tartar, develops naturally in the process of fermentation. Potassium bitartrate is commonly mi... | Physical sciences | Specific acids | Chemistry |
77060 | https://en.wikipedia.org/wiki/Biological%20hazard | Biological hazard | A biological hazard, or biohazard, is a biological substance that poses a threat (or is a hazard) to the health of living organisms, primarily humans. This could include a sample of a microorganism, virus or toxin that can adversely affect human health. A biohazard could also be a substance harmful to other living bein... | Technology | Biotechnology | null |
77178 | https://en.wikipedia.org/wiki/Spaceflight | Spaceflight | Spaceflight (or space flight) is an application of astronautics to fly objects, usually spacecraft, into or through outer space, either with or without humans on board. Most spaceflight is uncrewed and conducted mainly with spacecraft such as satellites in orbit around Earth, but also includes space probes for flights ... | Technology | Space | null |
77229 | https://en.wikipedia.org/wiki/Microsoft%20PowerPoint | Microsoft PowerPoint | Microsoft PowerPoint is a presentation program, created by Robert Gaskins, Tom Rudkin, and Dennis Austin at a software company named Forethought, Inc. It was released on April 20, 1987, initially for Macintosh computers only. Microsoft acquired PowerPoint for about $14 million three months after it appeared. This was M... | Technology | Office and data management | null |
77288 | https://en.wikipedia.org/wiki/Common%20nightingale | Common nightingale | The common nightingale, rufous nightingale or simply nightingale (Luscinia megarhynchos), is a small passerine bird which is best known for its powerful and beautiful song. It was formerly classed as a member of the thrush family Turdidae, but is now more generally considered to be an Old World flycatcher, Muscicapidae... | Biology and health sciences | Passerida | null |
77305 | https://en.wikipedia.org/wiki/Flea | Flea | Flea, the common name for the order Siphonaptera, includes 2,500 species of small flightless insects that live as external parasites of mammals and birds. Fleas live by ingesting the blood of their hosts. Adult fleas grow to about long, are usually brown, and have bodies that are "flattened" sideways or narrow, enabli... | Biology and health sciences | Insects and other hexapods | null |
77385 | https://en.wikipedia.org/wiki/Polyethylene | Polyethylene | Polyethylene or polythene (abbreviated PE; IUPAC name polyethene or poly(methylene)) is the most commonly produced plastic. It is a polymer, primarily used for packaging (plastic bags, plastic films, geomembranes and containers including bottles, cups, jars, etc.). , over 100 million tonnes of polyethylene resins are b... | Physical sciences | Hydrocarbons | null |
77432 | https://en.wikipedia.org/wiki/Hypertension | Hypertension | Hypertension, also known as high blood pressure, is a long-term medical condition in which the blood pressure in the arteries is persistently elevated. High blood pressure usually does not cause symptoms itself. It is, however, a major risk factor for stroke, coronary artery disease, heart failure, atrial fibrillation,... | Biology and health sciences | Non-infectious disease | null |
77473 | https://en.wikipedia.org/wiki/Flerovium | Flerovium | Flerovium is a synthetic chemical element; it has symbol Fl and atomic number 114. It is an extremely radioactive, superheavy element, named after the Flerov Laboratory of Nuclear Reactions of the Joint Institute for Nuclear Research in Dubna, Russia, where the element was discovered in 1999. The lab's name, in turn, h... | Physical sciences | Group 14 | Chemistry |
77474 | https://en.wikipedia.org/wiki/Nihonium | Nihonium | Nihonium is a synthetic chemical element; it has the symbol Nh and atomic number 113. It is extremely radioactive: its most stable known isotope, nihonium-286, has a half-life of about 10 seconds. In the periodic table, nihonium is a transactinide element in the p-block. It is a member of period 7 and group 13.
Nihon... | Physical sciences | Group 13 | Chemistry |
77510 | https://en.wikipedia.org/wiki/Songbird | Songbird | A songbird is a bird belonging to the suborder Passeri of the perching birds (Passeriformes). Another name that is sometimes seen as the scientific or vernacular name is Oscines, from Latin oscen, "songbird". The Passeriformes contains 5,000 or so species found all over the world, in which the vocal organ typically is ... | Biology and health sciences | Passerines | null |
77538 | https://en.wikipedia.org/wiki/Perspiration | Perspiration | Perspiration, also known as sweat, is the fluid secreted by sweat glands in the skin of mammals.
Two types of sweat glands can be found in humans: eccrine glands and apocrine glands. The eccrine sweat glands are distributed over much of the body and are responsible for secreting the watery, brackish sweat most often t... | Biology and health sciences | Exocrine system | Biology |
77591 | https://en.wikipedia.org/wiki/Dianthus%20caryophyllus | Dianthus caryophyllus | Dianthus caryophyllus ( ), commonly known as carnation or clove pink, is a species of Dianthus native to the Mediterranean region. Its exact natural range is uncertain due to extensive cultivation over the last 2,000 years. Carnations are prized for their vibrant colors, delicate fringed petals, and fragrance.
The sce... | Biology and health sciences | Caryophyllales | Plants |
77662 | https://en.wikipedia.org/wiki/Hagfish | Hagfish | Hagfish, of the class Myxini (also known as Hyperotreti) and order Myxiniformes , are eel-shaped jawless fish (occasionally called slime eels). Hagfish are the only known living animals that have a skull but no vertebral column, although they do have rudimentary vertebrae. Hagfish are marine predators and scavengers w... | Biology and health sciences | Agnatha | null |
77668 | https://en.wikipedia.org/wiki/Scar | Scar | A scar (or scar tissue) is an area of fibrous tissue that replaces normal skin after an injury. Scars result from the biological process of wound repair in the skin, as well as in other organs, and tissues of the body. Thus, scarring is a natural part of the healing process. With the exception of very minor lesions, ev... | Biology and health sciences | Injury: General | Health |
77688 | https://en.wikipedia.org/wiki/Attosecond | Attosecond | An attosecond (abbreviated as as) is a unit of time in the International System of Units (SI) equal to 10−18 or 1⁄1 000 000 000 000 000 000 (one quintillionth) of a second.
An attosecond is to a second, as a second is to approximately 31.69 billion years.
The attosecond is a tiny unit but it has various potential a... | Physical sciences | Time | Basics and measurement |
77689 | https://en.wikipedia.org/wiki/Femtosecond | Femtosecond | A femtosecond is a unit of time in the International System of Units (SI) equal to 10 or of a second; that is, one quadrillionth, or one millionth of one billionth, of a second.
A femtosecond is to a second, as a second is to approximately 31.69 million years.
For context, a ray of light travels approximately 0.3 μ... | Physical sciences | Time | Basics and measurement |
77700 | https://en.wikipedia.org/wiki/Picosecond | Picosecond | A picosecond (abbreviated as ps) is a unit of time in the International System of Units (SI) equal to 10−12 or (one trillionth) of a second. That is one trillionth, or one millionth of one millionth of a second, or 0.000 000 000 001 seconds.
A picosecond is to one second, as one second is to approximately 31,688.76 ... | Physical sciences | Time | Basics and measurement |
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