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13159812 | https://en.wikipedia.org/wiki/Borassus%20flabellifer | Borassus flabellifer | Borassus flabellifer, commonly known as doub palm, palmyra palm, tala or tal palm, toddy palm, lontar palm, wine palm, or ice apple, is a fan palm native to South Asia (especially in Bangladesh, East India, and South India) and Southeast Asia. It is reportedly naturalized in Socotra.
Description
Borassus flabellifer i... | Biology and health sciences | Arecales (inc. Palms) | Plants | 2,522 |
13163733 | https://en.wikipedia.org/wiki/Stenotherm | Stenotherm | A stenotherm (from Greek στενός stenos "narrow" and θέρμη therme "heat") is a species or living organism capable of surviving only within a narrow temperature range. This specialization is often found in organisms that inhabit environments with relatively stable environments, such as deep sea environments or polar reg... | Biology and health sciences | Basics | Biology | 217 |
14329297 | https://en.wikipedia.org/wiki/Climate%20change%20in%20Australia | Climate change in Australia | Climate change has been a critical issue in Australia since the beginning of the 21st century. Australia is becoming hotter and more prone to extreme heat, bushfires, droughts, floods, and longer fire seasons because of climate change. Climate issues include wildfires, heatwaves, cyclones, rising sea levels, and erosio... | Physical sciences | Climate change | Earth science | 14,329 |
11664252 | https://en.wikipedia.org/wiki/Dromiidae | Dromiidae | Dromiidae is a family of crabs, often referred to as sponge crabs. They are small or medium-sized crabs which get their name from the ability to shape a living sponge into a portable shelter for themselves. A sponge crab cuts out a fragment from a sponge and trims it to its own shape using its claws. The last two pairs... | Biology and health sciences | Crabs and hermit crabs | Animals | 335 |
11669530 | https://en.wikipedia.org/wiki/Nose | Nose | A nose is a sensory organ and respiratory structure in vertebrates. It consists of a nasal cavity inside the head, and an external nose on the face. The external nose houses the nostrils, or nares, a pair of tubes providing airflow through the nose for respiration. Where the nostrils pass through the nasal cavity they ... | Biology and health sciences | Nervous system | null | 1,506 |
4046824 | https://en.wikipedia.org/wiki/Gauss%E2%80%93Seidel%20method | Gauss–Seidel method | In numerical linear algebra, the Gauss–Seidel method, also known as the Liebmann method or the method of successive displacement, is an iterative method used to solve a system of linear equations. It is named after the German mathematicians Carl Friedrich Gauss and Philipp Ludwig von Seidel. Though it can be applied t... | Mathematics | Linear algebra | null | 2,184 |
4047104 | https://en.wikipedia.org/wiki/Jacobi%20method | Jacobi method | In numerical linear algebra, the Jacobi method (a.k.a. the Jacobi iteration method) is an iterative algorithm for determining the solutions of a strictly diagonally dominant system of linear equations. Each diagonal element is solved for, and an approximate value is plugged in. The process is then iterated until it con... | Mathematics | Linear algebra | null | 1,155 |
4048154 | https://en.wikipedia.org/wiki/Si-o-se-pol | Si-o-se-pol | The Allahverdi Khan Bridge (), popularly known as Si-o-se-pol (), is the largest of the eleven historical bridges on the Zayanderud, the largest river of the Iranian Plateau, in Isfahan, Iran.
The bridge was built in the early 17th century to serve as both a bridge and a dam.
History
Si-o-se-pol was built between 159... | Technology | Bridges | null | 333 |
4050647 | https://en.wikipedia.org/wiki/Pandanaceae | Pandanaceae | Pandanaceae is a family of flowering plants native to the tropics and subtropics of the Old World, from West Africa to the Pacific. It contains 982 known species in five genera, of which the type genus, Pandanus, is the most important, with species like Pandanus amaryllifolius and karuka (Pandanus julianettii) being im... | Biology and health sciences | Pandanales | Plants | 396 |
7059576 | https://en.wikipedia.org/wiki/Back-arc%20basin | Back-arc basin | A back-arc basin is a type of geologic basin, found at some convergent plate boundaries. Presently all back-arc basins are submarine features associated with island arcs and subduction zones, with many found in the western Pacific Ocean. Most of them result from tensional forces, caused by a process known as oceanic tr... | Physical sciences | Tectonics | Earth science | 2,353 |
6905166 | https://en.wikipedia.org/wiki/Shimeji | Shimeji | Shimeji (Japanese: , or ) is a group of edible mushrooms native to East Asia, but also found in northern Europe. Hon-shimeji (Lyophyllum shimeji) is a mycorrhizal fungus and difficult to cultivate. Other species are saprotrophs, and buna-shimeji (Hypsizygus tessulatus) is now widely cultivated. Shimeji is rich in umam... | Biology and health sciences | Edible fungi | Plants | 853 |
9174535 | https://en.wikipedia.org/wiki/Aquaculture%20of%20tilapia | Aquaculture of tilapia | Tilapia has become the third most important fish in aquaculture after carp and salmon; worldwide production exceeded in 2002 and increases annually. Because of their high protein content, large size, rapid growth (6 to 7 months to grow to harvest size), and palatability, a number of coptodonine and oreochromine cichli... | Technology | Aquaculture | null | 2,522 |
10674423 | https://en.wikipedia.org/wiki/Taobao | Taobao | Taobao is a Chinese online shopping platform. It is headquartered in Hangzhou and is owned by Alibaba. According to Alexa rank, it was the eighth most-visited website globally in 2021. Taobao.com was registered on April 21, 2003 by Alibaba Cloud Computing (Beijing) Co., Ltd.
Taobao Marketplace facilitates consumer-to-... | Technology | E-commerce | null | 3,719 |
10686210 | https://en.wikipedia.org/wiki/Jupiter%20mass | Jupiter mass | The Jupiter mass, also called Jovian mass, is the unit of mass equal to the total mass of the planet Jupiter. This value may refer to the mass of the planet alone, or the mass of the entire Jovian system to include the moons of Jupiter. Jupiter is by far the most massive planet in the Solar System. It is approximately ... | Physical sciences | Mass and weight | Basics and measurement | 742 |
8556497 | https://en.wikipedia.org/wiki/Contraposition | Contraposition | In logic and mathematics, contraposition, or transposition, refers to the inference of going from a conditional statement into its logically equivalent contrapositive, and an associated proof method known as . The contrapositive of a statement has its antecedent and consequent inverted and flipped.
Conditional stateme... | Mathematics | Mathematical logic | null | 6,015 |
8559544 | https://en.wikipedia.org/wiki/Flexible%20shaft | Flexible shaft | A flexible shaft, often referred to as a flex shaft, is a device for transmitting rotary motion between two objects which are not fixed relative to one another. It consists of a rotating wire rope or coil which is flexible but has some torsional stiffness. It may or may not have a covering, which also bends but does no... | Technology | Flexible components | null | 181 |
8565007 | https://en.wikipedia.org/wiki/Nonfood%20crop | Nonfood crop | A nonfood crop, also known as industrial crop, is a crop grown to produce goods for manufacturing, for example fibre for clothing, rather than food for consumption.
Purpose
Industrial crops is a designation given to an enterprise that attempts to raise farm sector income, and provide economic development activities f... | Technology | Basics_2 | null | 134 |
2936554 | https://en.wikipedia.org/wiki/Pont%20Alexandre%20III | Pont Alexandre III | The Pont Alexandre III () is a deck arch bridge that spans the Seine in Paris. It connects the Champs-Élysées quarter with those of the Invalides and Eiffel Tower. The bridge is widely regarded as the most ornate, extravagant bridge in the city. It has been classified as a French monument historique since 1975.
Histor... | Technology | Bridges | null | 1,330 |
2938620 | https://en.wikipedia.org/wiki/Eucalyptol | Eucalyptol | Eucalyptol (also called cineole) is a monoterpenoid colorless liquid, and a bicyclic ether. It has a fresh camphor-like odor and a spicy, cooling taste. It is insoluble in water, but miscible with organic solvents. Eucalyptol makes up about 70–90% of eucalyptus oil. Eucalyptol forms crystalline adducts with hydrohalic... | Physical sciences | Terpenes and terpenoids | Chemistry | 807 |
2939202 | https://en.wikipedia.org/wiki/Earth%27s%20inner%20core | Earth's inner core | Earth's inner core is the innermost geologic layer of the planet Earth. It is primarily a solid ball with a radius of about , which is about 20% of Earth's radius or 70% of the Moon's radius.
There are no samples of the core accessible for direct measurement, as there are for Earth's mantle. The characteristics of the... | Physical sciences | Geophysics | null | 5,480 |
2940782 | https://en.wikipedia.org/wiki/Notonectidae | Notonectidae | Notonectidae is a cosmopolitan family of aquatic insects in the order Hemiptera, commonly called backswimmers because they swim "upside down" (inverted). They are all predators and typically range from in length. They are similar in appearance to Corixidae (water boatmen), but can be separated by differences in their ... | Biology and health sciences | Hemiptera (true bugs) | Animals | 460 |
2942638 | https://en.wikipedia.org/wiki/Gloss%20%28optics%29 | Gloss (optics) | Gloss is an optical property which indicates how well a surface reflects light in a specular (mirror-like) direction. It is one of the important parameters that are used to describe the visual appearance of an object. Other categories of visual appearance related to the perception of regular or diffuse reflection and t... | Physical sciences | Basics_7 | null | 1,735 |
1484327 | https://en.wikipedia.org/wiki/Guangzhou%20Metro | Guangzhou Metro | The Guangzhou Metro () is the rapid transit system of the city of Guangzhou in the Guangdong Province of China. It is operated by the state-owned Guangzhou Metro Corporation and was the fourth metro system to be built in mainland China, after those of Beijing, Tianjin, and Shanghai.
The earliest efforts to build an un... | Technology | China | null | 8,875 |
1484541 | https://en.wikipedia.org/wiki/Wavefront | Wavefront | In physics, the wavefront of a time-varying wave field is the set (locus) of all points having the same phase. The term is generally meaningful only for fields that, at each point, vary sinusoidally in time with a single temporal frequency (otherwise the phase is not well defined).
Wavefronts usually move with time. ... | Physical sciences | Waves | Physics | 1,246 |
1484921 | https://en.wikipedia.org/wiki/Xanthidae | Xanthidae | Xanthidae is a family of crabs known as gorilla crabs, mud crabs, pebble crabs or rubble crabs. Xanthid crabs are often brightly coloured and are highly poisonous, containing toxins which are not destroyed by cooking and for which no antidote is known. The toxins are similar to the tetrodotoxin and saxitoxin produced ... | Biology and health sciences | Crabs and hermit crabs | Animals | 763 |
1485078 | https://en.wikipedia.org/wiki/Desman | Desman | Desmans are aquatic insectivores of the tribe Desmanini (also considered a subfamily, Desmaninae) in the mole family, Talpidae.
This tribe consists of two living species found in Europe: the Russian desman (Desmana moschata) in European Russia, and the Pyrenean desman (Galemys pyrenaicus) in the northwest of the Iberi... | Biology and health sciences | Eulipotyphla | Animals | 298 |
1486232 | https://en.wikipedia.org/wiki/Oarfish | Oarfish | Oarfish are large and extremely long pelagic lampriform fish belonging to the small family Regalecidae. Found in areas spanning from temperate ocean zones to tropical ones, yet rarely seen, the oarfish family contains three species in two genera. One of these, the giant oarfish (Regalecus glesne), is the longest bony f... | Biology and health sciences | Fishes | null | 2,294 |
1487479 | https://en.wikipedia.org/wiki/Lobster%20trap | Lobster trap | A lobster trap or lobster pot is a portable trap that traps lobsters or crayfish and is used in lobster fishing. In Scotland (chiefly in the north), the word creel was used to refer to a device used to catch lobsters and other crustaceans. A lobster trap can hold several lobsters. Lobster traps can be constructed of wi... | Technology | Hunting and fishing | null | 523 |
1487891 | https://en.wikipedia.org/wiki/GDK | GDK | GDK (GIMP Drawing Kit) is a library that acts as a wrapper around the low-level functions provided by the underlying windowing and graphics systems. GDK lies between the display server and the GTK library, handling basic rendering such as drawing primitives, raster graphics (bitmaps), cursors, fonts, as well as window ... | Technology | System | null | 1,504 |
1488243 | https://en.wikipedia.org/wiki/Sodium%20acetate | Sodium acetate | Sodium acetate, CH3COONa, also abbreviated NaOAc, is the sodium salt of acetic acid. This salt is colorless deliquescent, and hygroscopic.
Applications
Biotechnological
Sodium acetate is used as the carbon source for culturing bacteria. Sodium acetate can also be useful for increasing yields of DNA isolation by ethan... | Physical sciences | Acetates | Chemistry | 1,088 |
1488463 | https://en.wikipedia.org/wiki/Agroforestry | Agroforestry | Agroforestry (also known as agro-sylviculture or forest farming) is a land use management system that integrates trees with crops or pasture. It combines agricultural and forestry technologies. As a polyculture system, an agroforestry system can produce timber and wood products, fruits, nuts, other edible plant product... | Technology | Trees and forestry | null | 12,985 |
1489133 | https://en.wikipedia.org/wiki/Nephrops%20norvegicus | Nephrops norvegicus | Nephrops norvegicus, known variously as the Norway lobster, Dublin Bay prawn, (compare langostino) or scampi, is a slim, coral colored lobster that grows up to long, and is "the most important commercial crustacean in Europe". It is now the only extant species in the genus Nephrops, after several other species were m... | Biology and health sciences | Crayfishes and lobsters | Animals | 2,316 |
1489218 | https://en.wikipedia.org/wiki/Porcelain%20crab | Porcelain crab | Porcelain crabs are decapod crustaceans in the widespread family Porcellanidae, which superficially resemble true crabs. They have flattened bodies as an adaptation for living in rock crevices. They are delicate, readily losing limbs when attacked, and use their large claws for maintaining territories. They first appea... | Biology and health sciences | Crabs and hermit crabs | Animals | 918 |
2134303 | https://en.wikipedia.org/wiki/Birdwing | Birdwing | Birdwings are butterflies in the swallowtail family, that belong to the genera Trogonoptera, Troides, and Ornithoptera. Most recent authorities recognise 36 species, however, this is debated, and some authorities include additional genera. Birdwings are named for their exceptional size, angular wings, and birdlike flig... | Biology and health sciences | Lepidoptera | Animals | 3,165 |
2136925 | https://en.wikipedia.org/wiki/Lip | Lip | The lips are a horizontal pair of soft appendages attached to the jaws and are the most visible part of the mouth of many animals, including humans. Vertebrate lips are soft, movable and serve to facilitate the ingestion of food (e.g. suckling and gulping) and the articulation of sound and speech. Human lips are also a... | Biology and health sciences | Gastrointestinal tract | Biology | 2,628 |
2137292 | https://en.wikipedia.org/wiki/Drag%20%28physics%29 | Drag (physics) | In fluid dynamics, drag, sometimes referred to as fluid resistance, is a force acting opposite to the relative motion of any object moving with respect to a surrounding fluid. This can exist between two fluid layers, two solid surfaces, or between a fluid and a solid surface. Drag forces tend to decrease fluid velocity... | Physical sciences | Fluid mechanics | null | 4,744 |
15845253 | https://en.wikipedia.org/wiki/Viral%20disease | Viral disease | A viral disease (or viral infection) occurs when an organism's body is invaded by pathogenic viruses, and infectious virus particles (virions) attach to and enter susceptible cells.
Examples are the common cold, gastroenteritis,corona,flu,pneumonia.
Structural characteristics
Basic structural characteristics, such a... | Biology and health sciences | Concepts | Health | 657 |
958996 | https://en.wikipedia.org/wiki/Messier%2015 | Messier 15 | Messier 15 or M15 (also designated NGC 7078 and sometimes known as the Great Pegasus Cluster) is a globular cluster in the constellation Pegasus. It was discovered by Jean-Dominique Maraldi in 1746 and included in Charles Messier's catalogue of comet-like objects in 1764. At an estimated billion years old, it is one ... | Physical sciences | Notable star clusters | Astronomy | 442 |
959018 | https://en.wikipedia.org/wiki/Omega%20Nebula | Omega Nebula | The Omega Nebula is an H II region in the constellation Sagittarius. It was discovered by Philippe Loys de Chéseaux in 1745. Charles Messier catalogued it in 1764. It is by some of the richest starfields of the Milky Way, figuring in the northern two-thirds of Sagittarius. This feature is also known as the Swan Nebula,... | Physical sciences | Notable nebulae | Astronomy | 697 |
959491 | https://en.wikipedia.org/wiki/Hypovolemic%20shock | Hypovolemic shock | Hypovolemic shock is a form of shock caused by severe hypovolemia (insufficient blood volume or extracellular fluid in the body). It can be caused by severe dehydration or blood loss. Hypovolemic shock is a medical emergency; if left untreated, the insufficient blood flow can cause damage to organs, leading to multiple... | Biology and health sciences | Cardiovascular disease | Health | 5,955 |
960460 | https://en.wikipedia.org/wiki/Tennis%20elbow | Tennis elbow | Tennis elbow, also known as lateral epicondylitis is an enthesopathy (attachment point disease) of the origin of the extensor carpi radialis brevis on the lateral epicondyle. It causes pain and tenderness over the bony part of the lateral epicondyle. Symptoms range from mild tenderness to severe, persistent pain. The ... | Biology and health sciences | Types | Health | 3,252 |
960596 | https://en.wikipedia.org/wiki/Messier%2022 | Messier 22 | Messier 22 or M22, also known as NGC 6656 or the Great Sagittarius Cluster, is an elliptical globular cluster of stars in the constellation Sagittarius, near the Galactic bulge region. It is one of the brightest globulars visible in the night sky. The brightest stars are 11th magnitude, with hundreds of stars bright en... | Physical sciences | Notable star clusters | Astronomy | 693 |
960789 | https://en.wikipedia.org/wiki/Nitrous%20oxide%20%28medication%29 | Nitrous oxide (medication) | Nitrous oxide, as medical gas supply, is an inhaled gas used as pain medication, and is typically administered with 50% oxygen mix. It is often used together with other medications for anesthesia. Common uses include during childbirth, following trauma, and as part of end-of-life care. Onset of effect is typically with... | Biology and health sciences | Anesthetics | Health | 1,764 |
961349 | https://en.wikipedia.org/wiki/Hot%20Jupiter | Hot Jupiter | Hot Jupiters (sometimes called hot Saturns) are a class of gas giant exoplanets that are inferred to be physically similar to Jupiter but that have very short orbital periods (). The close proximity to their stars and high surface-atmosphere temperatures resulted in their informal name "hot Jupiters".
Hot Jupiters are... | Physical sciences | Planetary science | Astronomy | 3,207 |
961611 | https://en.wikipedia.org/wiki/Lip%20balm | Lip balm | Lip balm or lip salve is a wax-like substance applied to the lips to moisturize and relieve chapped or dry lips, angular cheilitis, stomatitis, or cold sores. Lip balm often contains beeswax or carnauba wax, camphor, cetyl alcohol, lanolin, paraffin, and petrolatum, among other ingredients. Some varieties contain dyes... | Biology and health sciences | Hygiene products | Health | 2,027 |
961680 | https://en.wikipedia.org/wiki/Malayan%20tapir | Malayan tapir | The Malayan tapir (Tapirus indicus), also called Asian tapir, Asiatic tapir, oriental tapir, Indian tapir, piebald tapir, or black-and-white tapir, is the only living tapir species outside of the Americas. It is native to Southeast Asia from the Malay Peninsula to Sumatra. It has been listed as Endangered on the IUCN R... | Biology and health sciences | Perissodactyla | Animals | 1,534 |
961724 | https://en.wikipedia.org/wiki/Choy%20sum | Choy sum | Choy sum (also spelled choi sum, choi sam in Cantonese; cai xin, caixin in Standard Mandarin) is a leafy vegetable commonly used in Chinese cuisine. It is a member of the genus Brassica of the mustard family, Brassicaceae (Brassica rapa var. parachinensis or Brassica chinensis var. parachinensis). Choy sum is a transli... | Biology and health sciences | Leafy vegetables | Plants | 446 |
962035 | https://en.wikipedia.org/wiki/Seismic%20refraction | Seismic refraction | Seismic refraction is a geophysical principle governed by Snell's Law of refraction. The seismic refraction method utilizes the refraction of seismic waves by rock or soil layers to characterize the subsurface geologic conditions and geologic structure.
Seismic refraction is exploited in engineering geology, geotechni... | Physical sciences | Seismology | Earth science | 460 |
962148 | https://en.wikipedia.org/wiki/Beehive%20Cluster | Beehive Cluster | The Beehive Cluster (also known as Praesepe (Latin for "manger", "cot" or "crib"), M44, NGC 2632, or Cr 189), is an open cluster in the constellation Cancer. One of the nearest open clusters to Earth, it contains a larger population of stars than other nearby bright open clusters holding around 1,000 stars. Under dark ... | Physical sciences | Notable star clusters | Astronomy | 1,456 |
962171 | https://en.wikipedia.org/wiki/Stern%E2%80%93Gerlach%20experiment | Stern–Gerlach experiment | In quantum physics, the Stern–Gerlach experiment demonstrated that the spatial orientation of angular momentum is quantized. Thus an atomic-scale system was shown to have intrinsically quantum properties. In the original experiment, silver atoms were sent through a spatially-varying magnetic field, which deflected them... | Physical sciences | Quantum mechanics | Physics | 2,717 |
962527 | https://en.wikipedia.org/wiki/Viviparous%20lizard | Viviparous lizard | The viviparous lizard, or common lizard, (Zootoca vivipara, formerly Lacerta vivipara) is a Eurasian lizard. It lives farther north than any other species of non-marine reptile, and is named for the fact that it is viviparous, meaning it gives birth to live young (although they will sometimes lay eggs normally). Both "... | Biology and health sciences | Lizards and other Squamata | Animals | 3,089 |
558397 | https://en.wikipedia.org/wiki/Rogue%20planet | Rogue planet | A rogue planet, also termed a free-floating planet (FFP) or an isolated planetary-mass object (iPMO), is an interstellar object of planetary mass which is not gravitationally bound to any star or brown dwarf.
Rogue planets may originate from planetary systems in which they are formed and later ejected, or they can als... | Physical sciences | Planetary science | Astronomy | 3,528 |
558685 | https://en.wikipedia.org/wiki/Natural%20environment | Natural environment | The natural environment or natural world encompasses all biotic and abiotic things occurring naturally, meaning in this case not artificial. The term is most often applied to Earth or some parts of Earth. This environment encompasses the interaction of all living species, climate, weather and natural resources that aff... | Physical sciences | Earth science basics: General | Earth science | 5,185 |
559011 | https://en.wikipedia.org/wiki/Lactococcus%20lactis | Lactococcus lactis | Lactococcus lactis is a gram-positive bacterium used extensively in the production of buttermilk and cheese, but has also become famous as the first genetically modified organism to be used alive for the treatment of human disease. L. lactis cells are cocci that group in pairs and short chains, and, depending on growth... | Biology and health sciences | Gram-positive bacteria | Plants | 1,809 |
560502 | https://en.wikipedia.org/wiki/Chromosomal%20translocation | Chromosomal translocation | In genetics, chromosome translocation is a phenomenon that results in unusual rearrangement of chromosomes. This includes balanced and unbalanced translocation, with two main types: reciprocal, and Robertsonian translocation. Reciprocal translocation is a chromosome abnormality caused by exchange of parts between non-h... | Biology and health sciences | Genetics | Biology | 1,164 |
561853 | https://en.wikipedia.org/wiki/Umber | Umber | Umber is a natural earth pigment consisting of iron oxide and manganese oxide; it has a brownish color that can vary among shades of yellow, red, and green. Umber is considered one of the oldest pigments known to humans, first seen in Ajanta Caves in 200 BC – 600 AD. Umber's advantages are its highly versatile color, w... | Physical sciences | Minerals | Earth science | 1,008 |
561873 | https://en.wikipedia.org/wiki/Earth%20pigment | Earth pigment | Earth pigments are naturally occurring minerals that have been used since prehistoric times as pigments. Among the primary types of earth pigments include the reddish-brown ochres, siennas, and umbers, which contain various amounts of iron oxides and manganese oxides. Other earth pigments include the green earth pigmen... | Physical sciences | Minerals | Earth science | 224 |
562007 | https://en.wikipedia.org/wiki/Magnesium%20chloride | Magnesium chloride | Magnesium chloride is an inorganic compound with the formula . It forms hydrates , where n can range from 1 to 12. These salts are colorless or white solids that are highly soluble in water. These compounds and their solutions, both of which occur in nature, have a variety of practical uses. Anhydrous magnesium chlorid... | Physical sciences | Halide salts | Chemistry | 1,790 |
562067 | https://en.wikipedia.org/wiki/Brillouin%20zone | Brillouin zone | In mathematics and solid state physics, the first Brillouin zone (named after Léon Brillouin) is a uniquely defined primitive cell in reciprocal space. In the same way the Bravais lattice is divided up into Wigner–Seitz cells in the real lattice, the reciprocal lattice is broken up into Brillouin zones. The boundaries... | Physical sciences | Crystallography | Physics | 498 |
7070301 | https://en.wikipedia.org/wiki/Telescope | Telescope | A telescope is a device used to observe distant objects by their emission, absorption, or reflection of electromagnetic radiation. Originally, it was an optical instrument using lenses, curved mirrors, or a combination of both to observe distant objects – an optical telescope. Nowadays, the word "telescope" is defined ... | Technology | Optical | null | 2,347 |
7071096 | https://en.wikipedia.org/wiki/Engineering%20design%20process | Engineering design process | The engineering design process, also known as the engineering method, is a common series of steps that engineers use in creating functional products and processes. The process is highly iterative – parts of the process often need to be repeated many times before another can be entered – though the part(s) that get iter... | Technology | Basics | null | 1,678 |
6914315 | https://en.wikipedia.org/wiki/Maja%20squinado | Maja squinado | Maja squinado (the European spider crab, spiny spider crab or spinous spider crab) is a species of migratory crab found in the Mediterranean Sea. The appearance of the European spider crab is similar to the much larger Japanese spider crab, although the European spider crab belongs to the family Majidae, and the Japane... | Biology and health sciences | Crabs and hermit crabs | Animals | 1,015 |
6915193 | https://en.wikipedia.org/wiki/Stereospondyli | Stereospondyli | The Stereospondyli are a group of extinct temnospondyl amphibians that existed primarily during the Mesozoic period. They are known from all seven continents and were common components of many Triassic ecosystems, likely filling a similar ecological niche to modern crocodilians prior to the diversification of pseudosuc... | Biology and health sciences | Prehistoric amphibians | Animals | 1,237 |
11671698 | https://en.wikipedia.org/wiki/Soil%20salinity%20control | Soil salinity control | Soil salinity control refers to controlling the process and progress of soil salinity to prevent soil degradation by salination and reclamation of already salty (saline) soils. Soil reclamation is also known as soil improvement, rehabilitation, remediation, recuperation, or amelioration.
The primary man-made cause of ... | Technology | Soil and soil management | null | 3,626 |
5411659 | https://en.wikipedia.org/wiki/Marine%20ecosystem | Marine ecosystem | Marine ecosystems are the largest of Earth's aquatic ecosystems and exist in waters that have a high salt content. These systems contrast with freshwater ecosystems, which have a lower salt content. Marine waters cover more than 70% of the surface of the Earth and account for more than 97% of Earth's water supply and 9... | Physical sciences | Oceanography | Earth science | 4,089 |
2943192 | https://en.wikipedia.org/wiki/Coldwater%20fish | Coldwater fish | The term coldwater fish can have different meanings in different contexts.
In the context of fishkeeping, it refers to ornamental fish species that tolerate the temperatures of a typical indoor aquarium well and do not require a heater to remain active, as opposed to tropical fish whom need a heater to survive in the ... | Biology and health sciences | Fishes by habitat | Animals | 1,016 |
2943640 | https://en.wikipedia.org/wiki/Antibiotic%20sensitivity%20testing | Antibiotic sensitivity testing | Antibiotic sensitivity testing or antibiotic susceptibility testing is the measurement of the susceptibility of bacteria to antibiotics. It is used because bacteria may have resistance to some antibiotics. Sensitivity testing results can allow a clinician to change the choice of antibiotics from empiric therapy, which ... | Biology and health sciences | Basics_3 | Biology | 3,792 |
311410 | https://en.wikipedia.org/wiki/Pregnancy%20test | Pregnancy test | A pregnancy test is used to determine whether a female is pregnant or not. The two primary methods are testing for the female pregnancy hormone (human chorionic gonadotropin (hCG)) in blood or urine using a pregnancy test kit, and scanning with ultrasonography. Testing blood for hCG results in the earliest detection of... | Biology and health sciences | Diagnostics | Health | 2,682 |
311440 | https://en.wikipedia.org/wiki/Mammary%20gland | Mammary gland | A mammary gland is an exocrine gland in humans and other mammals that produces milk to feed young offspring. Mammals get their name from the Latin word mamma, "breast". The mammary glands are arranged in organs such as the breasts in primates (for example, humans and chimpanzees), the udder in ruminants (for example, c... | Biology and health sciences | Integumentary system | Biology | 4,206 |
311509 | https://en.wikipedia.org/wiki/Bounded%20function | Bounded function | In mathematics, a function defined on some set with real or complex values is called bounded if the set of its values is bounded. In other words, there exists a real number such that
for all in . A function that is not bounded is said to be unbounded.
If is real-valued and for all in , then the function is sa... | Mathematics | Functions: General | null | 583 |
311596 | https://en.wikipedia.org/wiki/Allicin | Allicin | Allicin is an organosulfur compound obtained from garlic and leeks. When fresh garlic is chopped or crushed, the enzyme alliinase converts alliin into allicin, which is responsible for the aroma of fresh garlic. Allicin is unstable and quickly changes into a series of other sulfur-containing compounds such as diallyl d... | Physical sciences | Concepts: General | Chemistry | 727 |
311888 | https://en.wikipedia.org/wiki/Cornea | Cornea | The cornea is the transparent front part of the eye that covers the iris, pupil, and anterior chamber. Along with the anterior chamber and lens, the cornea refracts light, accounting for approximately two-thirds of the eye's total optical power. In humans, the refractive power of the cornea is approximately 43 dioptres... | Biology and health sciences | Visual system | Biology | 3,139 |
312008 | https://en.wikipedia.org/wiki/Fourier%20optics | Fourier optics | Fourier optics is the study of classical optics using Fourier transforms (FTs), in which the waveform being considered is regarded as made up of a combination, or superposition, of plane waves. It has some parallels to the Huygens–Fresnel principle, in which the wavefront is regarded as being made up of a combination o... | Physical sciences | Optics | Physics | 11,445 |
312018 | https://en.wikipedia.org/wiki/VMware | VMware | VMware LLC is an American cloud computing and virtualization technology company headquartered in Palo Alto, California. VMware was the first commercially successful company to virtualize the x86 architecture.
VMware's desktop software runs on Microsoft Windows, Linux, and macOS. VMware ESXi, its enterprise software hy... | Technology | Virtualization | null | 3,666 |
312029 | https://en.wikipedia.org/wiki/Cowrie | Cowrie | Cowrie or cowry () is the common name for a group of small to large sea snails in the family Cypraeidae.
The term porcelain derives from the old Italian term for the cowrie shell () due to their similar appearance.
Cowrie shells have held cultural, economic, and ornamental significance in various cultures. The cowrie... | Biology and health sciences | Gastropods | Animals | 1,551 |
312249 | https://en.wikipedia.org/wiki/Bryophyte | Bryophyte | Bryophytes () are a group of land plants (embryophytes), sometimes treated as a taxonomic division, that contains three groups of non-vascular land plants: the liverworts, hornworts, and mosses. In the strict sense, the division Bryophyta consists of the mosses only. Bryophytes are characteristically limited in size an... | Biology and health sciences | Bryophytes | null | 2,920 |
312252 | https://en.wikipedia.org/wiki/Partition%20function%20%28statistical%20mechanics%29 | Partition function (statistical mechanics) | In physics, a partition function describes the statistical properties of a system in thermodynamic equilibrium. Partition functions are functions of the thermodynamic state variables, such as the temperature and volume. Most of the aggregate thermodynamic variables of the system, such as the total energy, free energy... | Physical sciences | Statistical mechanics | Physics | 2,885 |
312259 | https://en.wikipedia.org/wiki/Chinampa | Chinampa | Chinampa ( ) is a technique used in Mesoamerican agriculture which relies on small, rectangular areas of fertile arable land to grow crops on the shallow lake beds in the Valley of Mexico. The word chinampa has Nahuatl origins, chinampa meaning “in the fence of reeds”. They are built up on wetlands of a lake or freshwa... | Technology | Buildings and infrastructure | null | 2,285 |
312293 | https://en.wikipedia.org/wiki/Liouville%27s%20theorem%20%28complex%20analysis%29 | Liouville's theorem (complex analysis) | In complex analysis, Liouville's theorem, named after Joseph Liouville (although the theorem was first proven by Cauchy in 1844), states that every bounded entire function must be constant. That is, every holomorphic function for which there exists a positive number such that for all is constant. Equivalently, non-... | Mathematics | Complex analysis | null | 1,077 |
312299 | https://en.wikipedia.org/wiki/Avalanche%20photodiode | Avalanche photodiode | An avalanche photodiode (APD) is a highly sensitive type of photodiode, which in general are semiconductor diodes that convert light into electricity via interband excitation coupled with impact ionization. APDs use materials and a structure optimised for operating with high reverse bias, approaching the reverse breakd... | Technology | Components | null | 1,672 |
312335 | https://en.wikipedia.org/wiki/Tarantula%20Nebula | Tarantula Nebula | The Tarantula Nebula (also known as 30 Doradus) is a large H II region in the Large Magellanic Cloud (LMC), forming its south-east corner (from Earth's perspective).
Discovery
The Tarantula Nebula was observed by Nicolas-Louis de Lacaille during an expedition to the Cape of Good Hope between 1751 and 1753. He catalog... | Physical sciences | Notable nebulae | Astronomy | 708 |
312461 | https://en.wikipedia.org/wiki/Unit%20of%20account | Unit of account | In economics, unit of account is one of the functions of money. A unit of account is a standard numerical monetary unit of measurement of the market value of goods, services, and other transactions. Also known as a "measure" or "standard" of relative worth and deferred payment, a unit of account is a necessary prerequi... | Physical sciences | Measurement systems | Basics and measurement | 1,127 |
312833 | https://en.wikipedia.org/wiki/Dots%20per%20inch | Dots per inch | Dots per inch (DPI, or dpi) is a measure of spatial printing, video or image scanner dot density, in particular the number of individual dots that can be placed in a line within the span of . Similarly, dots per centimetre (d/cm or dpcm) refers to the number of individual dots that can be placed within a line of .
DPI... | Physical sciences | Visual | Basics and measurement | 3,997 |
312881 | https://en.wikipedia.org/wiki/Action%20%28physics%29 | Action (physics) | In physics, action is a scalar quantity that describes how the balance of kinetic versus potential energy of a physical system changes with trajectory. Action is significant because it is an input to the principle of stationary action, an approach to classical mechanics that is simpler for multiple objects. Action and ... | Physical sciences | Classical mechanics | Physics | 2,516 |
312933 | https://en.wikipedia.org/wiki/Tenrec | Tenrec | A tenrec () is a mammal belonging to any species within the afrotherian family Tenrecidae, which is endemic to Madagascar. Tenrecs are a very diverse group; as a result of adaptive radiation and exhibit convergent evolution, some resemble hedgehogs, shrews, opossums, rats, and mice. They occupy aquatic, arboreal, terre... | Biology and health sciences | Other afrotheres | Animals | 2,010 |
312940 | https://en.wikipedia.org/wiki/Pinaceae | Pinaceae | The Pinaceae (), or pine family, are conifer trees or shrubs, including many of the well-known conifers of commercial importance such as cedars, firs, hemlocks, piñons,
larches, pines and spruces. The family is included in the order Pinales, formerly known as Coniferales. Pinaceae have distinctive cones with woody sc... | Biology and health sciences | Pinaceae | Plants | 2,179 |
312943 | https://en.wikipedia.org/wiki/Blacklight | Blacklight | A blacklight, also called a UV-A light, Wood's lamp, or ultraviolet light, is a lamp that emits long-wave (UV-A) ultraviolet light and very little visible light. One type of lamp has a violet filter material, either on the bulb or in a separate glass filter in the lamp housing, which blocks most visible light and all... | Physical sciences | Basics | Physics | 3,628 |
313009 | https://en.wikipedia.org/wiki/Drug%20overdose | Drug overdose | A drug overdose (overdose or OD) is the ingestion or application of a drug or other substance in quantities much greater than are recommended. Typically the term is applied for cases when a risk to health is a potential result. An overdose may result in a toxic state or death.
Classification
The word "overdose" implie... | Biology and health sciences | Types | Health | 2,093 |
313073 | https://en.wikipedia.org/wiki/Acanthuridae | Acanthuridae | Acanthuridae are a family of ray-finned fish which includes surgeonfishes, tangs, and unicornfishes. The family includes about 86 extant species of marine fish living in tropical seas, usually around coral reefs. Many of the species are brightly colored and popular in aquaria.
Etymology and taxonomic history
The name ... | Biology and health sciences | Acanthomorpha | Animals | 968 |
313236 | https://en.wikipedia.org/wiki/Phytolacca | Phytolacca | Phytolacca is a genus of perennial plants native to North America, South America and East Asia. Some members of the genus are known as pokeweeds or similar names such as pokebush, pokeberry, pokeroot or poke sallet. Other names for species of Phytolacca include inkberry and ombú. The generic name is derived from the Gr... | Biology and health sciences | Caryophyllales | Plants | 1,179 |
313295 | https://en.wikipedia.org/wiki/Cauterization | Cauterization | Cauterization (or cauterisation, or cautery) is a medical practice or technique of burning a part of a body to remove or close off a part of it. It destroys some tissue in an attempt to mitigate bleeding and damage, remove an undesired growth, or minimize other potential medical harm, such as infections when antibiotic... | Biology and health sciences | Treatments | Health | 1,531 |
313371 | https://en.wikipedia.org/wiki/Rip%20current | Rip current | A rip current (or just rip) is a specific type of water current that can occur near beaches where waves break. A rip is a strong, localized, and narrow current of water that moves directly away from the shore by cutting through the lines of breaking waves, like a river flowing out to sea. The force of the current in a ... | Physical sciences | Oceanography | Earth science | 2,567 |
313384 | https://en.wikipedia.org/wiki/Long%20division | Long division | In arithmetic, long division is a standard division algorithm suitable for dividing multi-digit Hindu-Arabic numerals (positional notation) that is simple enough to perform by hand. It breaks down a division problem into a series of easier steps.
As in all division problems, one number, called the dividend, is divided... | Mathematics | Basics | null | 4,489 |
313398 | https://en.wikipedia.org/wiki/Wingtip%20device | Wingtip device | Wingtip devices are intended to improve the efficiency of fixed-wing aircraft by reducing drag. Although there are several types of wing tip devices which function in different manners, their intended effect is always to reduce an aircraft's drag. Wingtip devices can also improve aircraft handling characteristics and e... | Technology | Aircraft components | null | 4,570 |
313418 | https://en.wikipedia.org/wiki/Luminous%20intensity | Luminous intensity | In photometry, luminous intensity is a measure of the wavelength-weighted power emitted by a light source in a particular direction per unit solid angle, based on the luminosity function, a standardized model of the sensitivity of the human eye. The SI unit of luminous intensity is the candela (cd), an SI base unit.
M... | Physical sciences | Optics | Physics | 838 |
313530 | https://en.wikipedia.org/wiki/Sperm%20whale | Sperm whale | The sperm whale or cachalot (Physeter macrocephalus) is the largest of the toothed whales and the largest toothed predator. It is the only living member of the genus Physeter and one of three extant species in the sperm whale family, along with the pygmy sperm whale and dwarf sperm whale of the genus Kogia.
The sperm ... | Biology and health sciences | Cetaceans | null | 11,852 |
313822 | https://en.wikipedia.org/wiki/Haddock | Haddock | The haddock (Melanogrammus aeglefinus) is a saltwater ray-finned fish from the family Gadidae, the true cods. It is the only species in the monotypic genus Melanogrammus. It is found in the North Atlantic Ocean and associated seas, where it is an important species for fisheries, especially in northern Europe, where it ... | Biology and health sciences | Acanthomorpha | null | 2,886 |
313833 | https://en.wikipedia.org/wiki/Swiss%20Army%20knife | Swiss Army knife | The Swiss Army knife (SAK; ) is a pocketknife, generally multi-tooled, now manufactured by Victorinox. The term "Swiss Army knife" was coined by American soldiers after World War II because they had trouble pronouncing the German word "", meaning "officer’s knife".
The Swiss Army knife generally has a drop-point main ... | Technology | Knives | null | 4,806 |
313925 | https://en.wikipedia.org/wiki/Ichthyostega | Ichthyostega | Ichthyostega (from , 'fish' and , 'roof') is an extinct genus of limbed tetrapodomorphs from the Late Devonian of what is now Greenland. It was among the earliest four-limbed vertebrates ever in the fossil record and was one of the first with weight-bearing adaptations for terrestrial locomotion. Ichthyostega possess... | Biology and health sciences | Prehistoric amphibians | Animals | 1,377 |
314101 | https://en.wikipedia.org/wiki/Ichthyosauria | Ichthyosauria | Ichthyosauria is an order of large extinct marine reptiles sometimes referred to as "ichthyosaurs", although the term is also used for wider clades in which the order resides.
Ichthyosaurians thrived during much of the Mesozoic era; based on fossil evidence, they first appeared around 250 million years ago (Ma) and at... | Biology and health sciences | Prehistoric marine reptiles | Animals | 15,264 |
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