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725585 | https://en.wikipedia.org/wiki/10%20Hygiea | 10 Hygiea | 10 Hygiea is a major asteroid located in the main asteroid belt. With a mean diameter of between km and a mass estimated to be 3% of the total mass of the belt, it is the fourth-largest asteroid in the Solar System by both volume and mass, and is the largest of the C-type asteroids (dark asteroids with a carbonaceous ... | Physical sciences | Solar System | Astronomy |
725992 | https://en.wikipedia.org/wiki/Blinking | Blinking | Blinking is a bodily function; it is a semi-autonomic rapid closing of the eyelid. A single blink is determined by the forceful closing of the eyelid or inactivation of the levator palpebrae superioris and the activation of the palpebral portion of the orbicularis oculi, not the full open and close. It is an essential ... | Biology and health sciences | Basics | Biology |
726049 | https://en.wikipedia.org/wiki/Pharmacodynamics | Pharmacodynamics | Pharmacodynamics (PD) is the study of the biochemical and physiologic effects of drugs (especially pharmaceutical drugs). The effects can include those manifested within animals (including humans), microorganisms, or combinations of organisms (for example, infection).
Pharmacodynamics and pharmacokinetics are the main... | Biology and health sciences | Fields of medicine | Health |
726748 | https://en.wikipedia.org/wiki/Black-body%20radiation | Black-body radiation | Black-body radiation is the thermal electromagnetic radiation within, or surrounding, a body in thermodynamic equilibrium with its environment, emitted by a black body (an idealized opaque, non-reflective body). It has a specific, continuous spectrum of wavelengths, inversely related to intensity, that depend only on t... | Physical sciences | Thermodynamics | null |
726915 | https://en.wikipedia.org/wiki/Alkaline%20battery | Alkaline battery | An alkaline battery (IEC code: L) is a type of primary battery where the electrolyte (most commonly potassium hydroxide) has a pH value above 7. Typically these batteries derive energy from the reaction between zinc metal and manganese dioxide.
Compared with zinc–carbon batteries of the Leclanché cell or zinc chloride... | Technology | Energy storage | null |
19278548 | https://en.wikipedia.org/wiki/Atlas%20%28computer%29 | Atlas (computer) | The Atlas was one of the world's first supercomputers, in use from 1962 (when it was claimed to be the most powerful computer in the world) to 1972. Atlas's capacity promoted the saying that when it went offline, half of the United Kingdom's computer capacity was lost. It is notable for being the first machine with vir... | Technology | Early computers | null |
19278686 | https://en.wikipedia.org/wiki/Armoured%20personnel%20carrier | Armoured personnel carrier | An armoured personnel carrier (APC) is a broad type of armoured military vehicle designed to transport personnel and equipment in combat zones. Since World War I, APCs have become a very common piece of military equipment around the world.
According to the definition in the Treaty on Conventional Armed Forces in Europ... | Technology | Maneuver | null |
19278728 | https://en.wikipedia.org/wiki/Architectural%20engineering | Architectural engineering | Architectural engineering or architecture engineering, also known as building engineering, is a discipline that deals with the engineering and construction of buildings, such as environmental, structural, mechanical, electrical, computational, embeddable, and other research domains. It is related to Architecture, Mecha... | Technology | Disciplines | null |
19282236 | https://en.wikipedia.org/wiki/Chloroflexota | Chloroflexota | The Chloroflexota are a phylum of bacteria containing isolates with a diversity of phenotypes, including members that are aerobic thermophiles, which use oxygen and grow well in high temperatures; anoxygenic phototrophs, which use light for photosynthesis (green non-sulfur bacteria); and anaerobic halorespirers, which ... | Biology and health sciences | Gram-negative bacteria | Plants |
1782583 | https://en.wikipedia.org/wiki/Champsosaurus | Champsosaurus | Champsosaurus is an extinct genus of crocodile-like choristodere reptile, known from the Late Cretaceous and early Paleogene periods of North America and Europe (Campanian–Paleocene). The name Champsosaurus is thought to come from , () said in an Ancient Greek source to be an Egyptian word for "crocodiles", and , () Gr... | Biology and health sciences | Choristoderes | Animals |
1782897 | https://en.wikipedia.org/wiki/SN%201054 | SN 1054 | SN 1054 is a supernova that was first observed on , and remained visible until .
The event was recorded in contemporary Chinese astronomy, and references to it are also found in a later (13th-century) Japanese document and in a document from the Islamic world. Furthermore, there are a number of proposed references fro... | Physical sciences | Notable transient events | Astronomy |
1783069 | https://en.wikipedia.org/wiki/Time%20derivative | Time derivative | A time derivative is a derivative of a function with respect to time, usually interpreted as the rate of change of the value of the function. The variable denoting time is usually written as .
Notation
A variety of notations are used to denote the time derivative. In addition to the normal (Leibniz's) notation,
A ver... | Mathematics | Differential calculus | null |
1784313 | https://en.wikipedia.org/wiki/Tests%20of%20general%20relativity | Tests of general relativity | Tests of general relativity serve to establish observational evidence for the theory of general relativity. The first three tests, proposed by Albert Einstein in 1915, concerned the "anomalous" precession of the perihelion of Mercury, the bending of light in gravitational fields, and the gravitational redshift. The pre... | Physical sciences | Theory of relativity | Physics |
1785475 | https://en.wikipedia.org/wiki/Chain-growth%20polymerization | Chain-growth polymerization | Chain-growth polymerization (AE) or chain-growth polymerisation (BE) is a polymerization technique where monomer molecules add onto the active site on a growing polymer chain one at a time. There are a limited number of these active sites at any moment during the polymerization which gives this method its key characte... | Physical sciences | Organic reactions | Chemistry |
1786719 | https://en.wikipedia.org/wiki/Step-growth%20polymerization | Step-growth polymerization | In polymer chemistry, step-growth polymerization refers to a type of polymerization mechanism in which bi-functional or multifunctional monomers react to form first dimers, then trimers, longer oligomers and eventually long chain polymers. Many naturally-occurring and some synthetic polymers are produced by step-growth... | Physical sciences | Organic reactions | Chemistry |
1787105 | https://en.wikipedia.org/wiki/Animal%20sexual%20behaviour | Animal sexual behaviour | Animal sexual behaviour takes many different forms, including within the same species. Common mating or reproductively motivated systems include monogamy, polygyny, polyandry, polygamy and promiscuity. Other sexual behaviour may be reproductively motivated (e.g. sex apparently due to duress or coercion and situational ... | Biology and health sciences | Ethology | Biology |
1787246 | https://en.wikipedia.org/wiki/Ion%20chromatography | Ion chromatography | Ion chromatography (or ion-exchange chromatography) is a form of chromatography that separates ions and ionizable polar molecules based on their affinity to the ion exchanger. It works on almost any kind of charged molecule—including small inorganic anions, large proteins, small nucleotides, and amino acids. However, i... | Physical sciences | Chromatography | Chemistry |
4576465 | https://en.wikipedia.org/wiki/Flower | Flower | A flower, also known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae). Flowers consist of a combination of vegetative organs – sepals that enclose and protect the developing flower. Petals attract pollinators, and reproductive organs that produce gamet... | Biology and health sciences | Biology | null |
4576951 | https://en.wikipedia.org/wiki/Convergence%20tests | Convergence tests | In mathematics, convergence tests are methods of testing for the convergence, conditional convergence, absolute convergence, interval of convergence or divergence of an infinite series .
List of tests
Limit of the summand
If the limit of the summand is undefined or nonzero, that is , then the series must diverge. In ... | Mathematics | Sequences and series | null |
4577392 | https://en.wikipedia.org/wiki/Edge%20cover | Edge cover | In graph theory, an edge cover of a graph is a set of edges such that every vertex of the graph is incident to at least one edge of the set.
In computer science, the minimum edge cover problem is the problem of finding an edge cover of minimum size. It is an optimization problem that belongs to the class of covering pr... | Mathematics | Graph theory | null |
4577602 | https://en.wikipedia.org/wiki/Evolution%20of%20birds | Evolution of birds | The evolution of birds began in the Jurassic Period, with the earliest birds derived from a clade of theropod dinosaurs named Paraves. Birds are categorized as a biological class, Aves. For more than a century, the small theropod dinosaur Archaeopteryx lithographica from the Late Jurassic period was considered to have ... | Biology and health sciences | Basics_4 | Biology |
4579350 | https://en.wikipedia.org/wiki/Continental%20margin | Continental margin | A continental margin is the outer edge of continental crust abutting oceanic crust under coastal waters. It is one of the three major zones of the ocean floor, the other two being deep-ocean basins and mid-ocean ridges. The continental margin consists of three different features: the continental rise, the continental ... | Physical sciences | Tectonics | Earth science |
426604 | https://en.wikipedia.org/wiki/Vermilion | Vermilion | Vermilion (sometimes vermillion) is a color family and pigment most often used between antiquity and the 19th century from the powdered mineral cinnabar (a form of mercury sulfide). It is synonymous with red orange, which often takes a modern form, but is 11% brighter (at full brightness).
Etymology and common name
Us... | Physical sciences | Colors | Physics |
426743 | https://en.wikipedia.org/wiki/Graph%20coloring | Graph coloring | In graph theory, graph coloring is a methodic assignment of labels traditionally called "colors" to elements of a graph. The assignment is subject to certain constraints, such as that no two adjacent elements have the same color. Graph coloring is a special case of graph labeling. In its simplest form, it is a way of c... | Mathematics | Graph theory | null |
426856 | https://en.wikipedia.org/wiki/Adder%20%28electronics%29 | Adder (electronics) | An adder, or summer, is a digital circuit that performs addition of numbers. In many computers and other kinds of processors, adders are used in the arithmetic logic units (ALUs). They are also used in other parts of the processor, where they are used to calculate addresses, table indices, increment and decrement opera... | Technology | Digital logic | null |
426889 | https://en.wikipedia.org/wiki/Photometry%20%28optics%29 | Photometry (optics) | Photometry is a branch of optics that deals with measuring light in terms of its perceived brightness to the human eye. It is concerned with quantifying the amount of light that is emitted, transmitted, or received by an object or a system.
In modern photometry, the radiant power at each wavelength is weighted by a lu... | Physical sciences | Optics | Physics |
426982 | https://en.wikipedia.org/wiki/Pedestrian%20zone | Pedestrian zone | Pedestrian zones (also known as auto-free zones and car-free zones, as pedestrian precincts in British English, and as pedestrian malls in the United States and Australia) are areas of a city or town restricted to use by people on foot or human-powered transport such as bicycles, with non-emergency motor traffic not al... | Technology | Road infrastructure | null |
427118 | https://en.wikipedia.org/wiki/Principle%20of%20locality | Principle of locality | In physics, the principle of locality states that an object is influenced directly only by its immediate surroundings. A theory that includes the principle of locality is said to be a "local theory". This is an alternative to the concept of instantaneous, or "non-local" action at a distance. Locality evolved out of the... | Physical sciences | Physics basics: General | Physics |
427445 | https://en.wikipedia.org/wiki/Hoof | Hoof | The hoof (: hooves) is the tip of a toe of an ungulate mammal, which is covered and strengthened with a thick and horny keratin covering. Artiodactyls are even-toed ungulates, species whose feet have an even number of digits; the ruminants with two digits are the most numerous, e.g. giraffe, deer, bison, cattle, goat, ... | Biology and health sciences | External anatomy and regions of the body | Biology |
427499 | https://en.wikipedia.org/wiki/Proteinogenic%20amino%20acid | Proteinogenic amino acid | Proteinogenic amino acids are amino acids that are incorporated biosynthetically into proteins during translation from RNA. The word "proteinogenic" means "protein creating". Throughout known life, there are 22 genetically encoded (proteinogenic) amino acids, 20 in the standard genetic code and an additional 2 (selenoc... | Biology and health sciences | Amino acids | Biology |
427655 | https://en.wikipedia.org/wiki/Boletus%20edulis | Boletus edulis | Boletus edulis (English: cep, penny bun, porcino or porcini) is a basidiomycete fungus, and the type species of the genus Boletus.
Prized as an ingredient in various culinary dishes, B. edulis is an edible mushroom held in high regard in many cuisines, and is commonly prepared and eaten in soups, pasta, or risotto. T... | Biology and health sciences | Edible fungi | null |
428052 | https://en.wikipedia.org/wiki/Sagittarius%20Dwarf%20Spheroidal%20Galaxy | Sagittarius Dwarf Spheroidal Galaxy | The Sagittarius Dwarf Spheroidal Galaxy (Sgr dSph), also known as the Sagittarius Dwarf Elliptical Galaxy (Sgr dE or Sag DEG), is an elliptical loop-shaped satellite galaxy of the Milky Way. It contains four globular clusters in its main body, with the brightest of them — NGC 6715 (M54) — known well before the discover... | Physical sciences | Notable galaxies | Astronomy |
428075 | https://en.wikipedia.org/wiki/Orb-weaver%20spider | Orb-weaver spider | Orb-weaver spiders are members of the spider family Araneidae. They are the most common group of builders of spiral wheel-shaped webs often found in gardens, fields, and forests. The English word "orb" can mean "circular", hence the English name of the group. Araneids have eight similar eyes, hairy or spiny legs, and n... | Biology and health sciences | Spiders | Animals |
428502 | https://en.wikipedia.org/wiki/Hand%20washing | Hand washing | Hand washing (or handwashing), also known as hand hygiene, is the act of cleaning one's hands with soap or handwash and water to remove viruses/bacteria/microorganisms, dirt, grease, and other harmful or unwanted substances stuck to the hands. Drying of the washed hands is part of the process as wet and moist hands are... | Biology and health sciences | Hygiene and grooming: General | Health |
428584 | https://en.wikipedia.org/wiki/Starburst%20galaxy | Starburst galaxy | A starburst galaxy is one undergoing an exceptionally high rate of star formation, as compared to the long-term average rate of star formation in the galaxy, or the star formation rate observed in most other galaxies.
For example, the star formation rate of the Milky Way galaxy is approximately 3 M☉/yr, while starburs... | Physical sciences | Stellar astronomy | null |
428874 | https://en.wikipedia.org/wiki/Crassulacean%20acid%20metabolism | Crassulacean acid metabolism | Crassulacean acid metabolism, also known as CAM photosynthesis, is a carbon fixation pathway that evolved in some plants as an adaptation to arid conditions that allows a plant to photosynthesize during the day, but only exchange gases at night. In a plant using full CAM, the stomata in the leaves remain shut during th... | Biology and health sciences | Metabolic processes | Biology |
428932 | https://en.wikipedia.org/wiki/Edge%20of%20chaos | Edge of chaos | The edge of chaos is a transition space between order and disorder that is hypothesized to exist within a wide variety of systems. This transition zone is a region of bounded instability that engenders a constant dynamic interplay between order and disorder.
Even though the idea of the edge of chaos is an abstract one... | Mathematics | Dynamical systems | null |
429149 | https://en.wikipedia.org/wiki/Nutria | Nutria | The nutria () or coypu () (Myocastor coypus) is a herbivorous, semiaquatic rodent from South America.
Classified for a long time as the only member of the family Myocastoridae, Myocastor has since been included within Echimyidae, the family of the spiny rats.
The nutria lives in burrows alongside stretches of water and... | Biology and health sciences | Rodents | null |
429167 | https://en.wikipedia.org/wiki/Shaku%20%28unit%29 | Shaku (unit) | or Japanese foot is a Japanese unit of length derived (but varying) from the Chinese , originally based upon the distance measured by a human hand from the tip of the thumb to the tip of the forefinger (compare span). Traditionally, the length varied by location or use, but it is now standardized as 10/33 m, or approxi... | Physical sciences | East Asian | Basics and measurement |
429191 | https://en.wikipedia.org/wiki/Gamut | Gamut | In color reproduction and colorimetry, a gamut, or color gamut , is a convex set containing the colors that can be accurately represented, i.e. reproduced by an output device (e.g. printer or display) or measured by an input device (e.g. camera or visual system). Devices with a larger gamut can represent more colors. S... | Physical sciences | Basics | Physics |
15361791 | https://en.wikipedia.org/wiki/Oscilloscope | Oscilloscope | An oscilloscope, (formerly known as an
oscillograph), (informally scope or O-scope) is a type of electronic test instrument that graphically displays varying voltages of one or more signals as a function of time. Their main purpose is capturing information on electrical signals for debugging, analysis, or characterizat... | Technology | Basics_4 | null |
14233508 | https://en.wikipedia.org/wiki/Neuston | Neuston | Neuston, also called pleuston, are organisms that live at the surface of a body of water, such as an ocean, estuary, lake, river, wetland or pond. Neuston can live on top of the water surface or submersed just below the water surface. In addition, microorganisms can exist in the surface microlayer that forms between th... | Physical sciences | Water: General | Earth science |
3383505 | https://en.wikipedia.org/wiki/Bi-elliptic%20transfer | Bi-elliptic transfer | In astronautics and aerospace engineering, the bi-elliptic transfer is an orbital maneuver that moves a spacecraft from one orbit to another and may, in certain situations, require less delta-v than a Hohmann transfer maneuver.
The bi-elliptic transfer consists of two half-elliptic orbits. From the initial orbit, a fi... | Physical sciences | Orbital mechanics | Astronomy |
3385251 | https://en.wikipedia.org/wiki/Mudrock | Mudrock | Mudrocks are a class of fine-grained siliciclastic sedimentary rocks. The varying types of mudrocks include siltstone, claystone, mudstone and shale. Most of the particles of which the stone is composed are less than and are too small to study readily in the field. At first sight, the rock types appear quite similar; ... | Physical sciences | Sedimentary rocks | Earth science |
11647860 | https://en.wikipedia.org/wiki/Spacetime%20diagram | Spacetime diagram | A spacetime diagram is a graphical illustration of locations in space at various times, especially in the special theory of relativity. Spacetime diagrams can show the geometry underlying phenomena like time dilation and length contraction without mathematical equations.
The history of an object's location through tim... | Physical sciences | Theory of relativity | Physics |
7906908 | https://en.wikipedia.org/wiki/Biomass%20%28energy%29 | Biomass (energy) | In the context of energy production, biomass is matter from recently living (but now dead) organisms which is used for bioenergy production. Examples include wood, wood residues, energy crops, agricultural residues including straw, and organic waste from industry and households. Wood and wood residues is the largest bi... | Technology | Fuel | null |
2467081 | https://en.wikipedia.org/wiki/Nosean | Nosean | Nosean, also known as noselite, is a mineral of the feldspathoid group with formula: Na8Al6Si6O24(SO4). H2O. It forms isometric crystals of variable color: white, grey, blue, green, to brown. It has a Mohs hardness of 5.5 to 6 and a specific gravity of 2.3 to 2.4. It is fluorescent. It is found in low-silica igneous ro... | Physical sciences | Silicate minerals | Earth science |
2467302 | https://en.wikipedia.org/wiki/Sodium%20dithionite | Sodium dithionite | Sodium dithionite (also known as sodium hydrosulfite) is a white crystalline powder with a sulfurous odor. Although it is stable in dry air, it decomposes in hot water and in acid solutions.
Structure
The structure has been examined by Raman spectroscopy and X-ray crystallography. The dithionite dianion has C symmetr... | Physical sciences | Sulfuric oxyanions | Chemistry |
2467838 | https://en.wikipedia.org/wiki/Blattodea | Blattodea | Blattodea is an order of insects that contains cockroaches and termites. Formerly, termites were considered a separate order, Isoptera, but genetic and molecular evidence suggests they evolved from within the cockroach lineage, cladistically making them cockroaches as well. The Blattodea and the mantis (order Mantodea)... | Biology and health sciences | Cockroaches & Termites (Blattodea) | Animals |
2467853 | https://en.wikipedia.org/wiki/Nothosaurus | Nothosaurus | Nothosaurus ('false lizard', from the Ancient Greek and ) is an extinct genus of sauropterygian reptile from the Triassic period, approximately 240–210 million years ago, with fossils being distributed throughout the former Tethys Ocean, from North Africa and Europe to China. It is the best known member of the nothosa... | Biology and health sciences | Prehistoric marine reptiles | Animals |
2469649 | https://en.wikipedia.org/wiki/Tylosaurus | Tylosaurus | {{Automatic taxobox
| fossil_range = Turonian-Maastrichtian,~
| image = Bunker Tylosaur.png
| image_upright = 1.15
| image_caption = Mounted cast of the T. proriger "Bunker" specimen (KUVP 5033)
| taxon = Tylosaurus
| authority = Marsh, 1872
| type_species = Tylosaurus proriger
| type_species_authority = (Cope, 1869)
|... | Biology and health sciences | Prehistoric squamates | Animals |
2469650 | https://en.wikipedia.org/wiki/Scelidosaurus | Scelidosaurus | Scelidosaurus (; with the intended meaning of "limb lizard", from Greek / meaning 'rib of beef' and sauros/ meaning 'lizard') is a genus of herbivorous armoured ornithischian dinosaur from the Jurassic of England.
Scelidosaurus lived during the Early Jurassic Period, during the Sinemurian to Pliensbachian stages aroun... | Biology and health sciences | Ornitischians | Animals |
2469652 | https://en.wikipedia.org/wiki/Dimorphodon | Dimorphodon | Dimorphodon ( ) was a genus of medium-sized pterosaur from Europe during the early Jurassic Period (about 201-191 million years ago). It was named by paleontologist Richard Owen in 1859. Dimorphodon means "two-form tooth", derived from the Greek () meaning 'two', () meaning 'shape' and () meaning 'tooth', referring ... | Biology and health sciences | Pterosaurs | Animals |
2470309 | https://en.wikipedia.org/wiki/Nurek%20Dam | Nurek Dam | The Nurek Dam (; Tajik: Нерӯгоҳи обии Норак, Nerūgohi obii Norak, Tajik for Nurek Hydro-electric Station) is an earth-fill embankment dam on the Vakhsh River in Tajikistan. Its primary purpose is hydroelectric power generation and its power station has an installed capacity of 3,015 MW. Construction of the dam began in... | Technology | Dams | null |
2472666 | https://en.wikipedia.org/wiki/Interplanetary%20dust%20cloud | Interplanetary dust cloud | The interplanetary dust cloud, or zodiacal cloud (as the source of the zodiacal light), consists of cosmic dust (small particles floating in outer space) that pervades the space between planets within planetary systems, such as the Solar System. This system of particles has been studied for many years in order to under... | Physical sciences | Solar System | Astronomy |
6018260 | https://en.wikipedia.org/wiki/Motorized%20scooter | Motorized scooter | A motorized scooter is a stand-up scooter powered by either a small internal combustion engine or electric hub motor in its front and/or rear wheel. Classified as a form of micromobility, they are generally designed with a large center deck on which the rider stands. The first motorized scooter was manufactured by Auto... | Technology | Motorized road transport | null |
6021465 | https://en.wikipedia.org/wiki/Biological%20pigment | Biological pigment | Biological pigments, also known simply as pigments or biochromes, are substances produced by living organisms that have a color resulting from selective color absorption. Biological pigments include plant pigments and flower pigments. Many biological structures, such as skin, eyes, feathers, fur and hair contain pigmen... | Biology and health sciences | Biochemistry and molecular biology | null |
6025205 | https://en.wikipedia.org/wiki/Groundwater%20recharge | Groundwater recharge | Groundwater recharge or deep drainage or deep percolation is a hydrologic process, where water moves downward from surface water to groundwater. Recharge is the primary method through which water enters an aquifer. This process usually occurs in the vadose zone below plant roots and is often expressed as a flux to the ... | Physical sciences | Hydrology | Earth science |
1175965 | https://en.wikipedia.org/wiki/Phorusrhacidae | Phorusrhacidae | Phorusrhacids, colloquially known as terror birds, are an extinct family of large carnivorous, mostly flightless birds that were among the largest apex predators in South America during the Cenozoic era. Their definitive fossil records range from the Middle Eocene to the Late Pleistocene around , though some specimens ... | Biology and health sciences | Prehistoric birds | Animals |
1177019 | https://en.wikipedia.org/wiki/Copper%28II%29%20oxide | Copper(II) oxide | Copper(II) oxide or cupric oxide is an inorganic compound with the formula CuO. A black solid, it is one of the two stable oxides of copper, the other being Cu2O or copper(I) oxide (cuprous oxide). As a mineral, it is known as tenorite, or sometimes black copper. It is a product of copper mining and the precursor to... | Physical sciences | Oxide salts | Chemistry |
1177234 | https://en.wikipedia.org/wiki/Potassium%20dichromate | Potassium dichromate | Potassium dichromate, , is a common inorganic chemical reagent, most commonly used as an oxidizing agent in various laboratory and industrial applications. As with all hexavalent chromium compounds, it is acutely and chronically harmful to health. It is a crystalline ionic solid with a very bright, red-orange color. T... | Physical sciences | Metallic oxyanions | Chemistry |
1177467 | https://en.wikipedia.org/wiki/Telehealth | Telehealth | Telehealth is the distribution of health-related services and information via electronic information and telecommunication technologies. It allows long-distance patient and clinician contact, care, advice, reminders, education, intervention, monitoring, and remote admissions. Telemedicine is sometimes used as a synonym... | Biology and health sciences | Diagnostics | Health |
1178458 | https://en.wikipedia.org/wiki/Flickr | Flickr | Flickr ( ; ) is an image hosting and video hosting service, as well as an online community, founded in Canada and headquartered in the United States. It was created by Ludicorp in 2004 and was previously a common way for amateur and professional photographers to host high-resolution photos. It has changed ownership sev... | Technology | Multimedia | null |
1178938 | https://en.wikipedia.org/wiki/Last%20Glacial%20Maximum | Last Glacial Maximum | The Last Glacial Maximum (LGM), also referred to as the Last Glacial Coldest Period, was the most recent time during the Last Glacial Period where ice sheets were at their greatest extent between 26,000 and 20,000 years ago.
Ice sheets covered much of Northern North America, Northern Europe, and Asia and profoundly af... | Physical sciences | Events | Earth science |
1179005 | https://en.wikipedia.org/wiki/Cerulean | Cerulean | The color cerulean (American English) or caerulean (British English, Commonwealth English), is a variety of the hue of blue that may range from a light azure blue to a more intense sky blue, and may be mixed as well with the hue of green. The first recorded use of cerulean as a color name in English was in 1590. The wo... | Physical sciences | Colors | Physics |
1179089 | https://en.wikipedia.org/wiki/Sarcosuchus | Sarcosuchus | Sarcosuchus (; ) is an extinct genus of crocodyliform and distant relative of living crocodilians that lived during the Early Cretaceous, from the late Hauterivian to the early Albian, 133 to 112 million years ago of what is now Africa and South America. The genus name comes from the Greek σάρξ (sarx) meaning flesh and... | Biology and health sciences | Prehistoric crocodiles | Animals |
1179384 | https://en.wikipedia.org/wiki/Java%20sparrow | Java sparrow | The Java sparrow (Lonchura oryzivora; Japanese: 文鳥, bunchō), also known as the Java finch, Java rice sparrow or Java rice bird, is a small passerine bird. This estrildid finch is a resident breeding bird in Java, Bali and Bawean in Indonesia. It is a popular cage bird, and has been introduced into many other countries.... | Biology and health sciences | Passerida | Animals |
1179801 | https://en.wikipedia.org/wiki/Boracite | Boracite | Boracite is a magnesium borate mineral with formula: Mg3B7O13Cl. It occurs as blue green, colorless, gray, yellow to white crystals in the orthorhombic - pyramidal crystal system. Boracite also shows pseudo-isometric cubical and octahedral forms. These are thought to be the result of transition from an unstable high te... | Physical sciences | Minerals | Earth science |
1179836 | https://en.wikipedia.org/wiki/Enstatite | Enstatite | Enstatite is a mineral; the magnesium endmember of the pyroxene silicate mineral series enstatite (MgSiO3) – ferrosilite (FeSiO3). The magnesium rich members of the solid solution series are common rock-forming minerals found in igneous and metamorphic rocks. The intermediate composition, , has historically been known... | Physical sciences | Silicate minerals | Earth science |
228385 | https://en.wikipedia.org/wiki/Clock%20rate | Clock rate | Clock rate or clock speed in computing typically refers to the frequency at which the clock generator of a processor can generate pulses used to synchronize the operations of its components. It is used as an indicator of the processor's speed. Clock rate is measured in the SI unit of frequency hertz (Hz).
The clock r... | Technology | Computer hardware | null |
228458 | https://en.wikipedia.org/wiki/Muscle%20car | Muscle car | A muscle car is an American-made two-door sports coupe with a powerful engine, generally designed for high-performance driving.
In 1949, General Motors introduced its 88 with the company's OHV Rocket V8 engine, which was previously available only in its luxury Oldsmobile 98. This formula of putting a maker's largest,... | Technology | Motorized road transport | null |
228498 | https://en.wikipedia.org/wiki/Common%20brushtail%20possum | Common brushtail possum | The common brushtail possum (Trichosurus vulpecula, from the Greek for "furry tailed" and the Latin for "little fox", previously in the genus Phalangista) is a nocturnal, semiarboreal marsupial of the family Phalangeridae, native to Australia and invasive in New Zealand, and the second-largest of the possums.
Like mos... | Biology and health sciences | Diprotodontia | Animals |
228613 | https://en.wikipedia.org/wiki/Starfish | Starfish | Starfish or sea stars are star-shaped echinoderms belonging to the class Asteroidea (). Common usage frequently finds these names being also applied to ophiuroids, which are correctly referred to as brittle stars or basket stars. Starfish are also known as asteroids due to being in the class Asteroidea. About 1,900 spe... | Biology and health sciences | Echinoderms | null |
228744 | https://en.wikipedia.org/wiki/Bottle | Bottle | A bottle is a narrow-necked container made of an impermeable material (such as glass, plastic or aluminium) in various shapes and sizes that stores and transports liquids. Its mouth, at the bottling line, can be sealed with an internal stopper, an external bottle cap, a closure, or induction sealing.
Etymology
First a... | Technology | Containers | null |
228798 | https://en.wikipedia.org/wiki/Iguanodon | Iguanodon | Iguanodon ( ; meaning 'iguana-tooth'), named in 1825, is a genus of iguanodontian dinosaur. While many species found worldwide have been classified in the genus Iguanodon, dating from the Late Jurassic to Early Cretaceous, taxonomic revision in the early 21st century has defined Iguanodon to be based on one well-substa... | Biology and health sciences | Dinosaurs and prehistoric reptiles | null |
228839 | https://en.wikipedia.org/wiki/Blazar | Blazar | A blazar is an active galactic nucleus (AGN) with a relativistic jet (a jet composed of ionized matter traveling at nearly the speed of light) directed very nearly towards an observer. Relativistic beaming of electromagnetic radiation from the jet makes blazars appear much brighter than they would be if the jet were po... | Physical sciences | Active galactic nucleus | null |
228845 | https://en.wikipedia.org/wiki/Connective%20tissue | Connective tissue | Connective tissue is one of the four primary types of animal tissue, a group of cells that are similar in structure, along with epithelial tissue, muscle tissue, and nervous tissue. It develops mostly from the mesenchyme, derived from the mesoderm, the middle embryonic germ layer. Connective tissue is found in between ... | Biology and health sciences | Tissues | null |
228907 | https://en.wikipedia.org/wiki/Geoduck | Geoduck | The Pacific geoduck ( ; Panopea generosa) is a species of very large saltwater clam in the family Hiatellidae. The common name is derived from the Lushootseed name, .
The geoduck is native to the coastal waters of the eastern North Pacific Ocean from Alaska to Baja California. The shell of the clam ranges from to ove... | Biology and health sciences | Bivalvia | Animals |
228964 | https://en.wikipedia.org/wiki/Taiwan%20High%20Speed%20Rail | Taiwan High Speed Rail | Taiwan High Speed Rail (THSR) is the high-speed railway network in Taiwan, which consists of a single line that runs approximately along the western coast of the island, from the capital Taipei in the north to the southern city of Kaohsiung. With construction and operations managed by a private company, Taiwan High Sp... | Technology | High-speed rail | null |
229017 | https://en.wikipedia.org/wiki/Latissimus%20dorsi%20muscle | Latissimus dorsi muscle | The latissimus dorsi () is a large, flat muscle on the back that stretches to the sides, behind the arm, and is partly covered by the trapezius on the back near the midline.
The word latissimus dorsi (plural: latissimi dorsi) comes from Latin and means "broadest [muscle] of the back", from "latissimus" () and "dorsum... | Biology and health sciences | Human anatomy | Health |
229045 | https://en.wikipedia.org/wiki/Pager | Pager | A pager, also known as a beeper or bleeper, is a wireless telecommunications device that receives and displays alphanumeric or voice messages. One-way pagers can only receive messages, while response pagers and two-way pagers can also acknowledge, reply to, and originate messages using an internal transmitter.
Pagers ... | Technology | Telecommunications | null |
229063 | https://en.wikipedia.org/wiki/Schizoid%20personality%20disorder | Schizoid personality disorder | Schizoid personality disorder (, often abbreviated as SzPD or ScPD) is a personality disorder characterized by a lack of interest in social relationships, a tendency toward a solitary or sheltered lifestyle, secretiveness, emotional coldness, detachment, and apathy. Affected individuals may be unable to form intimate a... | Biology and health sciences | Mental disorders | Health |
229104 | https://en.wikipedia.org/wiki/Matter%20wave | Matter wave | Matter waves are a central part of the theory of quantum mechanics, being half of wave–particle duality. At all scales where measurements have been practical, matter exhibits wave-like behavior. For example, a beam of electrons can be diffracted just like a beam of light or a water wave.
The concept that matter behave... | Physical sciences | Quantum mechanics | Physics |
229116 | https://en.wikipedia.org/wiki/Veterinarian | Veterinarian | A veterinarian (vet) or veterinary surgeon is a medical professional who practices veterinary medicine. They manage a wide range of health conditions and injuries in non-human animals. Along with this, veterinarians also play a role in animal reproduction, health management, conservation, husbandry and breeding and pre... | Biology and health sciences | Health professionals | Health |
229167 | https://en.wikipedia.org/wiki/Bucephalus | Bucephalus | Bucephalus (; ; – June 326 BC) or Bucephalas, was the horse of Alexander the Great, and one of the most famous horses of classical antiquity. According to the Alexander Romance (1.15), the name "Bucephalus" literally means "ox-headed" (from and ), and supposedly comes from a brand (or scar) on the thigh of the horse ... | Biology and health sciences | Individual animals | Animals |
229173 | https://en.wikipedia.org/wiki/Plecoptera | Plecoptera | Plecoptera is an order of insects, commonly known as stoneflies. Some 3,500 species are described worldwide, with new species still being discovered. Stoneflies are found worldwide, except Antarctica. Stoneflies are believed to be one of the most primitive groups of Neoptera, with close relatives identified from the Ca... | Biology and health sciences | Insects: General | Animals |
229253 | https://en.wikipedia.org/wiki/Dieffenbachia | Dieffenbachia | Dieffenbachia , commonly known as dumb cane or leopard lily, is a genus of tropical flowering plants in the family Araceae. It is native to the New World Tropics from Mexico and the West Indies south to Argentina. Some species are widely cultivated as ornamental plants, especially as houseplants, and have become natur... | Biology and health sciences | Alismatales | Plants |
229296 | https://en.wikipedia.org/wiki/Pons | Pons | The pons (from Latin , "bridge") is part of the brainstem that in humans and other mammals, lies inferior to the midbrain, superior to the medulla oblongata and anterior to the cerebellum.
The pons is also called the pons Varolii ("bridge of Varolius"), after the Italian anatomist and surgeon Costanzo Varolio (1543–75... | Biology and health sciences | Nervous system | Biology |
229470 | https://en.wikipedia.org/wiki/Haikouichthys | Haikouichthys | Haikouichthys is an extinct genus of craniate (animals with notochords and distinct heads) that lived 518 million years ago, during the Cambrian explosion of multicellular life. The type species, Haikouichthys ercaicunensis, was first described in 1999. Haikouichthys had a defined skull and other characteristics that ... | Biology and health sciences | Prehistoric agnathae and early chordates | Animals |
229553 | https://en.wikipedia.org/wiki/Hooke%27s%20law | Hooke's law | In physics, Hooke's law is an empirical law which states that the force () needed to extend or compress a spring by some distance () scales linearly with respect to that distance—that is, where is a constant factor characteristic of the spring (i.e., its stiffness), and is small compared to the total possible deform... | Physical sciences | Solid mechanics | null |
229619 | https://en.wikipedia.org/wiki/Effusion | Effusion | In physics and chemistry, effusion is the process in which a gas escapes from a container through a hole of diameter considerably smaller than the mean free path of the molecules. Such a hole is often described as a pinhole and the escape of the gas is due to the pressure difference between the container and the exteri... | Physical sciences | Thermodynamics | Physics |
229643 | https://en.wikipedia.org/wiki/Molality | Molality | In chemistry, molality is a measure of the amount of solute in a solution relative to a given mass of solvent. This contrasts with the definition of molarity which is based on a given volume of solution.
A commonly used unit for molality is the moles per kilogram (mol/kg). A solution of concentration 1 mol/kg is also ... | Physical sciences | Concentration | Basics and measurement |
229714 | https://en.wikipedia.org/wiki/Carriage | Carriage | A carriage is a two- or four-wheeled horse-drawn vehicle for passengers. In Europe they were a common mode of transport for the wealthy during the Roman Empire, and then again from around 1600 until they were replaced by the motor car around 1900. They were generally owned by the rich, but second-hand private carriages... | Technology | Animal-powered transport | null |
229914 | https://en.wikipedia.org/wiki/Ape | Ape | Apes (collectively Hominoidea ) are a clade of Old World simians native to sub-Saharan Africa and Southeast Asia (though they were more widespread in Africa, most of Asia, and Europe in prehistory, and counting humans are found globally). Apes are more closely related to Old World monkeys (family Cercopithecidae) than ... | Biology and health sciences | Primates | null |
229917 | https://en.wikipedia.org/wiki/Tupolev%20Tu-154 | Tupolev Tu-154 | The Tupolev Tu-154 (; NATO reporting name: "Careless") is a three-engined, medium-range, narrow-body airliner designed in the mid-1960s and manufactured by Tupolev. A workhorse of Soviet and (subsequently) Russian airlines for several decades, it carried half of all passengers flown by Aeroflot and its subsidiaries (13... | Technology | Specific aircraft_2 | null |
229925 | https://en.wikipedia.org/wiki/Taxus | Taxus | Taxus is a genus of coniferous trees or shrubs known as yews in the family Taxaceae. Yews occur around the globe in temperate zones of the northern hemisphere, northernmost in Norway and southernmost in the South Celebes. Some populations exist in tropical highlands.
The oldest known fossil species are from the Early ... | Biology and health sciences | Pinophyta (Conifers) | Plants |
229940 | https://en.wikipedia.org/wiki/Multiplicative%20inverse | Multiplicative inverse | In mathematics, a multiplicative inverse or reciprocal for a number x, denoted by 1/x or x−1, is a number which when multiplied by x yields the multiplicative identity, 1. The multiplicative inverse of a fraction a/b is b/a. For the multiplicative inverse of a real number, divide 1 by the number. For example, the recip... | Mathematics | Basics | null |
229943 | https://en.wikipedia.org/wiki/Ilyushin%20Il-76 | Ilyushin Il-76 | The Ilyushin Il-76 (; NATO reporting name: Candid) is a multi-purpose, fixed-wing, four-engine turbofan strategic airlifter designed by the Soviet Union's Ilyushin design bureau as a commercial freighter in 1967, to replace the Antonov An-12. It was developed to deliver heavy machinery to remote and poorly served areas... | Technology | Specific aircraft_2 | null |
229962 | https://en.wikipedia.org/wiki/Feral%20pigeon | Feral pigeon | Feral pigeons (Columba livia domestica or Columba livia forma urbana), also called city doves, city pigeons, or street pigeons, are descendants of domestic pigeons (Columba livia domestica) that have returned to the wild. The domestic pigeon was originally bred from the wild rock dove, which naturally inhabits sea-clif... | Biology and health sciences | Columbimorphae | Animals |
229988 | https://en.wikipedia.org/wiki/Wolf%E2%80%93Rayet%20star | Wolf–Rayet star | Wolf–Rayet stars, often abbreviated as WR stars, are a rare heterogeneous set of stars with unusual spectra showing prominent broad emission lines of ionised helium and highly ionised nitrogen or carbon. The spectra indicate very high surface enhancement of heavy elements, depletion of hydrogen, and strong stellar wind... | Physical sciences | Stellar astronomy | null |
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