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int64
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51.8k
59,921,578
https://en.wikipedia.org/wiki/Amplitwist
In mathematics, the amplitwist is a concept created by Tristan Needham in the book Visual Complex Analysis (1997) to represent the derivative of a complex function visually. Definition The amplitwist associated with a given function is its derivative in the complex plane. More formally, it is a complex number such t...
Amplitwist
Mathematics
192
9,742,373
https://en.wikipedia.org/wiki/Consolidated%20rental%20car%20facility
A consolidated rental car facility (CRCF) or consolidated rental car center (CONRAC) is a complex that hosts numerous car rental agencies, typically found at airports in the United States. The most important incentives for building consolidated facilities are greatly reduced traffic congestion in airport pick up and d...
Consolidated rental car facility
Engineering
551
11,042,777
https://en.wikipedia.org/wiki/IBM%20airgap
Airgap is a technique invented by IBM for fabricating small pockets of vacuum in between copper interconnects. The technique belongs to a general class of similar techniques that replaces solid low-κ dielectrics with air-filled or vacuum pockets. Description By insulating copper interconnects (wires) on an integrated...
IBM airgap
Materials_science
444
34,709,138
https://en.wikipedia.org/wiki/Denjoy%E2%80%93Luzin%E2%80%93Saks%20theorem
In mathematics, the Denjoy–Luzin–Saks theorem states that a function of generalized bounded variation in the restricted sense has a derivative almost everywhere, and gives further conditions of the set of values of the function where the derivative does not exist. N. N. Luzin and A. Denjoy proved a weaker form of th...
Denjoy–Luzin–Saks theorem
Mathematics
82
46,298,670
https://en.wikipedia.org/wiki/Hafnium%20tetrabromide
Hafnium tetrabromide is the inorganic compound with the formula HfBr4. It is the most common bromide of hafnium. It is a colorless, diamagnetic moisture sensitive solid that sublimes in vacuum. It adopts a structure very similar to that of zirconium tetrabromide, featuring tetrahedral Hf centers, in contrast to the p...
Hafnium tetrabromide
Chemistry
107
9,414,169
https://en.wikipedia.org/wiki/Geomagnetically%20induced%20current
Geomagnetically induced currents (GIC) are electrical currents induced at the Earth's surface by rapid changes in the geomagnetic field caused by space weather events. GICs can affect the normal operation of long electrical conductor systems such as electric transmission grids and buried pipelines. The geomagnetic dist...
Geomagnetically induced current
Astronomy
2,445
40,042,954
https://en.wikipedia.org/wiki/Document%20type%20declaration
A document type declaration, or DOCTYPE, is an instruction that associates a particular XML or SGML document (for example, a web page) with a document type definition (DTD) (for example, the formal definition of a particular version of HTML 2.0 - 4.0). In the serialized form of the document, it manifests as a short str...
Document type declaration
Technology
2,877
10,446,876
https://en.wikipedia.org/wiki/Fate%20mapping
Fate mapping is a method used in developmental biology to study the embryonic origin of various adult tissues and structures. The "fate" of each cell or group of cells is mapped onto the embryo, showing which parts of the embryo will develop into which tissue. When carried out at single-cell resolution, this process is...
Fate mapping
Chemistry,Biology
688
73,535,353
https://en.wikipedia.org/wiki/Lys-MDA
Lys-MDA (Lysine-MDA, N-(L-lysinamidyl)-3,4-methylenedioxyamphetamine) is a substituted amphetamine derivative with empathogenic effects, which acts as a prodrug for MDA with a slower onset of effects and longer duration of action. Lys-MDA, along with the related derivative Lys-MDMA, are in early stage human clinical tr...
Lys-MDA
Chemistry
230
35,929,255
https://en.wikipedia.org/wiki/List%20of%20sequenced%20protist%20genomes
This list of sequenced protist genomes contains all the protist species known to have publicly available complete genome sequences that have been assembled, annotated and published; draft genomes are not included, nor are organelle only sequences. Alveolata Alveolata are a group of protists which includes the Cilioph...
List of sequenced protist genomes
Engineering,Biology
433
22,265,215
https://en.wikipedia.org/wiki/807%20%28vacuum%20tube%29
The 807 is a beam tetrode vacuum tube, widely used in audio- and radio-frequency power amplifier applications. Audio uses 807s were used in audio power amplifiers, both for public address and Hi-Fi application, usually being run in push-pull pairs in class AB1 or AB2 giving up to 120 watts of usable power. The plate v...
807 (vacuum tube)
Physics
1,119
2,886,280
https://en.wikipedia.org/wiki/Tetrakis%20square%20tiling
In geometry, the tetrakis square tiling is a tiling of the Euclidean plane. It is a square tiling with each square divided into four isosceles right triangles from the center point, forming an infinite arrangement of lines. It can also be formed by subdividing each square of a grid into two triangles by a diagonal, wit...
Tetrakis square tiling
Physics,Mathematics
907
14,862,085
https://en.wikipedia.org/wiki/3C%20303
3C 303 is a Seyfert galaxy with a quasar-like appearance located in the constellation Boötes. 3C 303 is also a radio galaxy It also contains an extragalactic radio source. A clear defined jet is also seen, showing a polarization variation trend. With a diffuse patch of optical emission located at the intersection of t...
3C 303
Astronomy
131
34,039,715
https://en.wikipedia.org/wiki/Mitosis%20inducer%20protein%20kinase%20cdr2
Cdr2 is a serine/threonine protein kinase mitotic regulator in the fission yeast S. pombe. It is encoded by the P87050 2247 bp ORF on the cosmid 57A10. The protein is 775 amino acids in length. Cdr2 is a member of the GIN4 family of kinases, which prevent progression of mitosis if there is a problem with septin. The N-...
Mitosis inducer protein kinase cdr2
Biology
831
42,556,315
https://en.wikipedia.org/wiki/Grabyo
Grabyo is a browser-based live video production suite integrated with other social media platforms such as Facebook, YouTube, Instagram, Snapchat, Twitter, and Periscope. Sports federations and media companies use cloud-based technology to produce professional-quality live streams and video clips for digital audiences....
Grabyo
Technology
275
1,014,414
https://en.wikipedia.org/wiki/Antiporter
An antiporter (also called exchanger or counter-transporter) is an integral membrane protein that uses secondary active transport to move two or more molecules in opposite directions across a phospholipid membrane. It is a type of cotransporter, which means that uses the energetically favorable movement of one molecule...
Antiporter
Physics,Chemistry,Engineering
7,406
75,222,055
https://en.wikipedia.org/wiki/NGC%202001
NGC 2001 (also known as PGC 3518062, 056-SC137, SL 507 and part of LH 64) is an open cluster located in the Dorado constellation and is part of the Large Magellanic Cloud. Background It was discovered by James Dunlop on September 27, 1826. It's apparent magnitude is 7 by 3.5 arc minutes. and is also known as GC 1204...
NGC 2001
Astronomy
213
17,865,569
https://en.wikipedia.org/wiki/3-Aminoisobutyric%20acid
3-Aminoisobutyric acid (also known as β-aminoisobutyric acid or BAIBA) is a product formed by the catabolism of thymine. During exercise, the increase of PGC-1α protein triggers the secretion of BAIBA from exercising muscles to blood (concentration 2 to 3 μM in human serum). When BAIBA reaches the white fat tissue, it...
3-Aminoisobutyric acid
Chemistry,Biology
269
2,432,530
https://en.wikipedia.org/wiki/Octahedral%20cluster
Octahedral clusters are inorganic or organometallic cluster compounds composed of six metals in an octahedral array. Many types of compounds are known, but all are synthetic. Octahedral chalcogenide and halide clusters These compounds are bound together by metal-metal bonding as well as two kinds of ligands. Ligands...
Octahedral cluster
Chemistry
1,189
390,864
https://en.wikipedia.org/wiki/Rhinogradentia
Rhinogradentia is a fictitious order of extinct shrew-like mammals invented by German zoologist Gerolf Steiner. Members of the order, known as rhinogrades or snouters, are characterized by a nose-like feature called a "nasorium", which evolved to fulfill a wide variety of functions in different species. Steiner also cr...
Rhinogradentia
Biology
2,662
20,041,810
https://en.wikipedia.org/wiki/Speed%20of%20light%20%28cellular%20automaton%29
In Conway's Game of Life (and related cellular automata), the speed of light is a propagation rate across the grid of exactly one step (either horizontally, vertically or diagonally) per generation. In a single generation, a cell can only influence its nearest neighbours, and so the speed of light (by analogy with the...
Speed of light (cellular automaton)
Mathematics
539
75,313,681
https://en.wikipedia.org/wiki/SpaceX%20Starship%20design%20history
Before settling on the 2018 Starship design, SpaceX successively presented a number of reusable super-heavy lift vehicle proposals. These preliminary spacecraft designs were known under various names (Mars Colonial Transporter, Interplanetary Transport System, BFR). In November 2005, before SpaceX had launched its fi...
SpaceX Starship design history
Engineering
3,074
35,051,875
https://en.wikipedia.org/wiki/Sodium%3Adicarboxylate%20symporter
It has been shown that integral membrane proteins that mediate the uptake of a wide variety of molecules with the concomitant uptake of sodium ions (sodium symporters) can be grouped, on the basis of sequence and functional similarities into a number of distinct families. One of these families is known as the sodium:...
Sodium:dicarboxylate symporter
Biology
261
76,969,858
https://en.wikipedia.org/wiki/Polevitzky%2C%20Johnson%20and%20Associates
Polevitzky, Johnson and Associates was a architectural firm with headquarters in Miami, Florida. History Polevitzky, Johnson and Associates, Inc. was established in 1951 in Miami, Florida. After coming back from World War II in the mid-1940s, Igor B. Polevitzky opened a new office in the Brickell neighbourhood and par...
Polevitzky, Johnson and Associates
Engineering
334
42,452,496
https://en.wikipedia.org/wiki/Descent%20algebra
In algebra, Solomon's descent algebra of a Coxeter group is a subalgebra of the integral group ring of the Coxeter group, introduced by . The descent algebra of the symmetric group In the special case of the symmetric group Sn, the descent algebra is given by the elements of the group ring such that permutations with...
Descent algebra
Physics
139
38,803,155
https://en.wikipedia.org/wiki/Deep%20Near%20Infrared%20Survey%20of%20the%20Southern%20Sky
The Deep Near Infrared Survey of the Southern Sky (DENIS) was a deep astronomical survey of the southern sky in the near-infrared and optical wavelengths, using an ESO 1-metre telescope at the La Silla Observatory. It operated from 1996 to 2001. See also DENIS-P J1058.7-1548 DENIS-P J1228.2-1547 DENIS-P J020529.0-...
Deep Near Infrared Survey of the Southern Sky
Astronomy
180
1,384,760
https://en.wikipedia.org/wiki/List%20of%20European%20medium%20wave%20transmitters
This is an incomplete list of medium wave transmitters in Europe. The emitted AM radio signal can be received on AM radios across Europe, depending on the power. Skywave propagation at night enables some stations to be heard far beyond the target reception area, sometimes by thousands of kilometres. Active stations S...
List of European medium wave transmitters
Physics
88
459,018
https://en.wikipedia.org/wiki/Pointer%20%28computer%20programming%29
In computer science, a pointer is an object in many programming languages that stores a memory address. This can be that of another value located in computer memory, or in some cases, that of memory-mapped computer hardware. A pointer references a location in memory, and obtaining the value stored at that location is k...
Pointer (computer programming)
Technology
12,991
825,748
https://en.wikipedia.org/wiki/Propylene
Propylene, also known as propene, is an unsaturated organic compound with the chemical formula . It has one double bond, and is the second simplest member of the alkene class of hydrocarbons. It is a colorless gas with a faint petroleum-like odor. Propylene is a product of combustion from forest fires, cigarette smoke...
Propylene
Physics,Chemistry,Materials_science
1,984
53,863,138
https://en.wikipedia.org/wiki/Ebba%20Lund
Ebba Lund (22 September 1923 – 21 June 1999) was a Danish Resistance fighter during World War II, a chemical engineer, and a microbiologist. Early life Ebba Lund was born in 1923 to parents Søren Aabye Kierkegaard (1875–1956) and Anna Petrea Lindberg (1890–1980). Her father was an engineer. The Copenhagen community i...
Ebba Lund
Chemistry
1,451
44,863,957
https://en.wikipedia.org/wiki/Algerian%20units%20of%20measurement
This is a list of Algerian units of measurement that were used before 1843 for things like length, mass and capacity. After that, Algeria adopted the French system of units (i.e., the metric system). Length Before the 1843 changeover, different units were used to measure length. One pic () was equal either to 0.64 m o...
Algerian units of measurement
Mathematics
363
15,225,315
https://en.wikipedia.org/wiki/RFWD2
E3 ubiquitin-protein ligase RFWD2 is an enzyme that in humans is encoded by the RFWD2 gene. Interactions RFWD2 has been shown to interact with C-jun. References Further reading
RFWD2
Chemistry
47
50,589
https://en.wikipedia.org/wiki/Spanking
Spanking is a form of corporal punishment involving the act of striking, with either the palm of the hand or an implement, the buttocks of a person to cause physical pain. The term spanking broadly encompasses the use of either the hand or implement, though the use of certain implements can also be characterized as oth...
Spanking
Biology
2,008
546,158
https://en.wikipedia.org/wiki/Emetophobia
Emetophobia is a phobia that causes overwhelming, intense anxiety pertaining to vomit. This specific phobia can also include subcategories of what causes the anxiety, including a fear of vomiting or being vomited on or seeing others vomit. Emetophobes might also avoid the mentions of "barfing", vomiting, "throwing up",...
Emetophobia
Biology
2,371
841,077
https://en.wikipedia.org/wiki/Metoprolol
Metoprolol, sold under the brand name Lopressor among others, is a medication used to treat angina and a number of conditions involving an abnormally fast heart rate. It is also used to prevent further heart problems after myocardial infarction and to prevent headaches in those with migraines. It is a selective β1 rece...
Metoprolol
Chemistry
2,194
3,050,160
https://en.wikipedia.org/wiki/Static%20universe
In cosmology, a static universe (also referred to as stationary, infinite, static infinite or static eternal) is a cosmological model in which the universe is both spatially and temporally infinite, and space is neither expanding nor contracting. Such a universe does not have so-called spatial curvature; that is to say...
Static universe
Physics,Astronomy,Mathematics
1,029
52,179,886
https://en.wikipedia.org/wiki/Balasubramanian%20Gopal
Balasubramanian Gopal (born 1970) is an Indian structural biologist, molecular biophysicist and a professor at the Molecular Biophysics Unit of the Indian Institute of Science. He is known for his studies on cell wall synthesis in Staphylococcus aureus and is an elected fellow of the National Academy of Sciences, India...
Balasubramanian Gopal
Chemistry
634
27,105,107
https://en.wikipedia.org/wiki/Ornithonyssus%20sylviarum
Ornithonyssus sylviarum (also known as the northern fowl mite) is a haematophagous ectoparasite of poultry. In both size and appearance, it resembles the red mite, Dermanyssus gallinae. They primarily infect egg laying chickens. They contribute to economic damage and feed on their host's blood which leads to lowering t...
Ornithonyssus sylviarum
Biology
297
4,012,069
https://en.wikipedia.org/wiki/Pseudomonas%20virus%20phi6
Φ6 (Phi 6) is the best-studied bacteriophage of the virus family Cystoviridae. It infects Pseudomonas bacteria (typically plant-pathogenic P. syringae). It has a three-part, segmented, double-stranded RNA genome, totalling ~13.5 kb in length. Φ6 and its relatives have a lipid membrane around their nucleocapsid, a rare ...
Pseudomonas virus phi6
Biology
1,112
5,439,408
https://en.wikipedia.org/wiki/Tungsten%28V%29%20chloride
Tungsten(V) chloride is an inorganic compound with the formula W2Cl10. This compound is analogous in many ways to the more familiar molybdenum pentachloride. Synthesis The material is prepared by reduction of tungsten hexachloride. One method involves the use of tetrachloroethylene as the reductant 2 WCl6 + C2Cl4 ...
Tungsten(V) chloride
Chemistry
267
59,450
https://en.wikipedia.org/wiki/Strontianite
Strontianite (SrCO3) is an important raw material for the extraction of strontium. It is a rare carbonate mineral and one of only a few strontium minerals. It is a member of the aragonite group. Aragonite group members: aragonite (CaCO3), witherite (BaCO3), strontianite (SrCO3), cerussite (PbCO3) The ideal formula o...
Strontianite
Chemistry
2,681
56,379,488
https://en.wikipedia.org/wiki/Biological%20effects%20of%20radiation%20on%20the%20epigenome
Ionizing radiation can cause biological effects which are passed on to offspring through the epigenome. The effects of radiation on cells has been found to be dependent on the dosage of the radiation, the location of the cell in regards to tissue, and whether the cell is a somatic or germ line cell. Generally, ionizing...
Biological effects of radiation on the epigenome
Chemistry,Materials_science
3,933
11,467,712
https://en.wikipedia.org/wiki/Agroathelia%20delphinii
Agroathelia delphinii is a plant pathogen infecting many tropical and warm temperate plants including mangoes. References Fungal plant pathogens and diseases Mango tree diseases Amylocorticiales Fungus species
Agroathelia delphinii
Biology
45
34,588,743
https://en.wikipedia.org/wiki/Cause%20%28medicine%29
Cause, also known as etiology () and aetiology, is the reason or origination of something. The word etiology is derived from the Greek , aitiologia, "giving a reason for" (, aitia, "cause"; and , -logia). Description In medicine, etiology refers to the cause or causes of diseases or pathologies. Where no etiology can...
Cause (medicine)
Biology,Environmental_science
1,012
26,193
https://en.wikipedia.org/wiki/Roger%20Penrose
Sir Roger Penrose (born 8 August 1931) is an English mathematician, mathematical physicist, philosopher of science and Nobel Laureate in Physics. He is Emeritus Rouse Ball Professor of Mathematics in the University of Oxford, an emeritus fellow of Wadham College, Oxford, and an honorary fellow of St John's College, Cam...
Roger Penrose
Physics,Mathematics
5,202
67,655,566
https://en.wikipedia.org/wiki/Elizabeth%20Niespolo
Elizabeth Niespolo is an American geologist. Her work utilizes geochemical methods to understand archaeological sites and human activity on multiple continents. Niespolo integrates laboratory and field work studying natural materials such as ostrich egg shells, corals, and minerals in rocks to quantify potential human ...
Elizabeth Niespolo
Chemistry
1,820
25,433,315
https://en.wikipedia.org/wiki/Walking%20audit
A walking audit is an assessment of the walkability or pedestrian access of an external environment. Walking audits are often undertaken in street environments to consider and promote the needs of pedestrians as a form of transport. They can be undertaken by a range of different stakeholders including: Local communit...
Walking audit
Physics
732
196,662
https://en.wikipedia.org/wiki/Lawrence%20Hargrave
Lawrence Hargrave, MRAeS, (29 January 18506 July 1915) was an Australian engineer, explorer, astronomer, inventor and aeronautical pioneer. He was perhaps best known for inventing the box kite, which was quickly adopted by other aircraft designers and subsequently formed the aerodynamic basis of early biplanes. Biogra...
Lawrence Hargrave
Engineering
2,225
333,306
https://en.wikipedia.org/wiki/Regular%20polygon
In Euclidean geometry, a regular polygon is a polygon that is direct equiangular (all angles are equal in measure) and equilateral (all sides have the same length). Regular polygons may be either convex or star. In the limit, a sequence of regular polygons with an increasing number of sides approximates a circle, if th...
Regular polygon
Physics
3,060
10,766,404
https://en.wikipedia.org/wiki/Generalised%20circle
In geometry, a generalized circle, sometimes called a cline or circline, is a straight line or a circle, the curves of constant curvature in the Euclidean plane. The natural setting for generalized circles is the extended plane, a plane along with one point at infinity through which every straight line is considered t...
Generalised circle
Mathematics
790
3,197,327
https://en.wikipedia.org/wiki/Chrysobalanus%20icaco
Chrysobalanus icaco, the cocoplum, paradise plum, abajeru or icaco, also called fat pork in Trinidad and Tobago, is a low shrub or bushy tree found near sea beaches and inland throughout tropical Africa, tropical Americas and the Caribbean, and in southern Florida and the Bahamas. An evergreen, it is also found as an e...
Chrysobalanus icaco
Chemistry
824
3,146,241
https://en.wikipedia.org/wiki/Focus-plus-context%20screen
A focus-plus-context screen is a specialized type of display device that consists of one or more high-resolution "focus" displays embedded into a larger low-resolution "context" display. Image content is displayed across all display regions, such that the scaling of the image is preserved, while its resolution varies a...
Focus-plus-context screen
Technology,Engineering
323
216,928
https://en.wikipedia.org/wiki/Wastewater
Wastewater (or waste water) is water generated after the use of freshwater, raw water, drinking water or saline water in a variety of deliberate applications or processes. Another definition of wastewater is "Used water from any combination of domestic, industrial, commercial or agricultural activities, surface runoff ...
Wastewater
Chemistry,Engineering,Environmental_science
311
69,216,480
https://en.wikipedia.org/wiki/Catherine%20E.%20Costello
Catherine E. Costello is the William Fairfield Warren distinguished professor in the department of biochemistry, Cell Biology and Genomics, and the director of the Center for Biomedical Mass Spectrometry at the Boston University School of Medicine. Education Catherine E. Costello attended the Emmanuel College in Bost...
Catherine E. Costello
Physics,Chemistry,Biology
756
28,365,313
https://en.wikipedia.org/wiki/Clitocybe%20brumalis
Clitocybe brumalis, commonly known as the winter funnel cap, brumalis signifying "wintry", is an inedible mushroom of the genus Clitocybe. It grows in deciduous and coniferous woodland, only in winter; sometimes even under snow. Description The cap is convex or umbilicate when young, soon funnel-shaped. Pale when mois...
Clitocybe brumalis
Biology
208
66,631,533
https://en.wikipedia.org/wiki/Kevin%20Kendall
Kevin Kendall FRS is a British physicist who received a London external BSc degree at Salford CAT in 1965 while working as an engineering apprentice at Joseph Lucas Gas Turbine Ltd. He became interested in surface science during his Ph.D. study in the Cavendish Laboratory and devised a novel method for measuring the tr...
Kevin Kendall
Materials_science
1,470
33,183,306
https://en.wikipedia.org/wiki/Fei%E2%80%93Ranis%20model%20of%20economic%20growth
The Fei–Ranis model of economic growth is a dualism model in developmental economics or welfare economics that has been developed by John C. H. Fei and Gustav Ranis and can be understood as an extension of the Lewis model. It is also known as the Surplus Labor model. It recognizes the presence of a dual economy compris...
Fei–Ranis model of economic growth
Mathematics
5,555
7,113,944
https://en.wikipedia.org/wiki/Augmented%20cognition
Augmented cognition is an interdisciplinary area of psychology and engineering, attracting researchers from the more traditional fields of human-computer interaction, psychology, ergonomics and neuroscience. Augmented cognition research generally focuses on tasks and environments where human–computer interaction and in...
Augmented cognition
Engineering,Biology
1,498
33,162,584
https://en.wikipedia.org/wiki/Weyl%20equation
In physics, particularly in quantum field theory, the Weyl equation is a relativistic wave equation for describing massless spin-1/2 particles called Weyl fermions. The equation is named after Hermann Weyl. The Weyl fermions are one of the three possible types of elementary fermions, the other two being the Dirac and t...
Weyl equation
Physics
2,826
2,599,213
https://en.wikipedia.org/wiki/Yellow%20rain
Yellow rain was a 1981 political incident in which the United States Secretary of State Alexander Haig accused the Soviet Union of supplying T-2 mycotoxin to the communist states in Vietnam, Laos and Cambodia for use in counterinsurgency warfare. Refugees described many different forms of "attacks", including a sticky ...
Yellow rain
Chemistry
3,636
5,277,567
https://en.wikipedia.org/wiki/Laccaria%20bicolor
Laccaria bicolor is a small tan-colored mushroom with lilac gills. It is edible but not choice, and grows in mixed birch and pine woods. It is found in the temperate zones of the globe, in late summer and autumn. L. bicolor is an ectomycorrhizal fungus used as a soil inoculant in agriculture and horticulture. Taxonomy...
Laccaria bicolor
Chemistry,Biology
670
73,780,161
https://en.wikipedia.org/wiki/Sonja%20Glava%C5%A1ki
Sonja Glavaški is an electrical engineer. Initially focusing on nonlinear control and robust control, her interests have since shifted to include computational challenges in the control of electrical grids and their integration with building-scale energy systems. Educated in Serbia and the US, she works at the Pacific ...
Sonja Glavaški
Engineering
357
1,795,295
https://en.wikipedia.org/wiki/Meton%20of%20Athens
Meton of Athens (; gen.: Μέτωνος) was a Greek mathematician, astronomer, geometer, and engineer who lived in Athens in the 5th century BC. He is best known for calculations involving the eponymous 19-year Metonic cycle, which he introduced in 432 BC into the lunisolar Attic calendar. Euphronios says that Colonus was M...
Meton of Athens
Astronomy
677
236,981
https://en.wikipedia.org/wiki/Amniote
Amniotes are tetrapod vertebrate animals belonging to the clade Amniota, a large group that comprises the vast majority of living terrestrial and semiaquatic vertebrates. Amniotes evolved from amphibious stem tetrapod ancestors during the Carboniferous period. Those of Amniota are defined as the smallest crown clade co...
Amniote
Biology
3,211
72,389,171
https://en.wikipedia.org/wiki/Eliane%20R.%20Rodrigues
Eliane Regina Rodrigues is a Brazilian applied mathematician and statistician who works in Mexico as a researcher at the Institute of Mathematics of the National Autonomous University of Mexico (UNAM). Her research involves using stochastic processes including Markov chains and Poisson point processes to model phenomen...
Eliane R. Rodrigues
Mathematics
278
1,324,735
https://en.wikipedia.org/wiki/Subvocalization
Subvocalization, or silent speech, is the internal speech typically made when reading; it provides the sound of the word as it is read. This is a natural process when reading, and it helps the mind to access meanings to comprehend and remember what is read, potentially reducing cognitive load. This inner speech is cha...
Subvocalization
Biology
3,823
24,466,340
https://en.wikipedia.org/wiki/Gymnopilus%20mesosporus
Gymnopilus mesosporus is a species of mushroom in the family Hymenogastraceae. See also List of Gymnopilus species External links Gymnopilus mesosporus at Index Fungorum mesosporus Fungi of North America Fungus species
Gymnopilus mesosporus
Biology
59
9,804
https://en.wikipedia.org/wiki/Electric%20charge
Electric charge (symbol q, sometimes Q) is a physical property of matter that causes it to experience a force when placed in an electromagnetic field. Electric charge can be positive or negative. Like charges repel each other and unlike charges attract each other. An object with no net charge is referred to as electric...
Electric charge
Physics,Chemistry,Materials_science,Mathematics
4,614
36,150,729
https://en.wikipedia.org/wiki/C2H6ClO2PS
{{DISPLAYTITLE:C2H6ClO2PS}} The molecular formula C2H6ClO2PS (molar mass: 160.56 g/mol, exact mass: 159.9515 u) may refer to: Dimethyl chlorothiophosphate Dimethyl phosphorochloridothioate
C2H6ClO2PS
Chemistry
76
24,472,520
https://en.wikipedia.org/wiki/Billon%20%28alloy%29
Billon () is an alloy of a precious metal (most commonly silver, but also gold) with a majority base metal content (such as copper). It is used chiefly for making coins, medals, and token coins. The word comes from the French , which means 'log'. History The use of billon coins dates from ancient Greece and continue...
Billon (alloy)
Chemistry
331
61,187,256
https://en.wikipedia.org/wiki/Charge%20modulation%20spectroscopy
Charge modulation spectroscopy is an electro-optical spectroscopy technique tool. It is used to study the charge carrier behavior of organic field-effect transistors. It measures the charge introduced optical transmission variation by directly probing the accumulation charge at the burning interface of semiconductor an...
Charge modulation spectroscopy
Physics,Chemistry
955
74,433,644
https://en.wikipedia.org/wiki/Rhenium%20trioxynitrate
Rhenium trioxynitrate, also known as rhenium(VII) trioxide nitrate, is a chemical compound with the formula ReO3NO3. It is a white solid that readily hydrolyzes in moist air. Preparation and properties Rhenium trioxynitrate is prepared by the reaction of ReO3Cl (produced by reacting rhenium trioxide and chlorine) and ...
Rhenium trioxynitrate
Chemistry
289
30,747,791
https://en.wikipedia.org/wiki/High-refractive-index%20polymer
A high-refractive-index polymer (HRIP) is a polymer that has a refractive index greater than 1.50. Such materials are required for anti-reflective coating and photonic devices such as light emitting diodes (LEDs) and image sensors. The refractive index of a polymer is based on several factors which include polarizabil...
High-refractive-index polymer
Physics,Chemistry,Materials_science
1,830
35,188,284
https://en.wikipedia.org/wiki/Taylor%20Hobson
Taylor Hobson is an English company founded in 1886 and located in Leicester, England. Originally a manufacturer of still camera and cine lenses, the company now manufactures precision metrology instruments—in particular, profilometers for the analysis of surface textures and forms. Taylor Hobson is now part of Amete...
Taylor Hobson
Materials_science,Engineering
1,394
13,790,456
https://en.wikipedia.org/wiki/Laman%20graph
In graph theory, the Laman graphs are a family of sparse graphs describing the minimally rigid systems of rods and joints in the plane. Formally, a Laman graph is a graph on n vertices such that, for all k, every k-vertex subgraph has at most 2k − 3 edges, and such that the whole graph has exactly 2n − 3 edges. Laman g...
Laman graph
Physics
1,153
66,357,207
https://en.wikipedia.org/wiki/LY-88329
LY-88329 is an opioid receptor ligand related to medicines such as pethidine. It has high affinity to the μ-opioid receptor, but unlike structurally related drugs such as 3-methylfentanyl and OPPPP, LY-88329 is a potent opioid antagonist. In animal studies it blocks the effects of morphine and has anorectic action. Se...
LY-88329
Chemistry
117
38,390
https://en.wikipedia.org/wiki/Dementia
Dementia is a syndrome associated with many neurodegenerative diseases, characterized by a general decline in cognitive abilities that affects a person's ability to perform everyday activities. This typically involves problems with memory, thinking, behavior, and motor control. Aside from memory impairment and a disrup...
Dementia
Biology
15,183
1,162,678
https://en.wikipedia.org/wiki/Ferredoxin
Ferredoxins (from Latin ferrum: iron + redox, often abbreviated "fd") are iron–sulfur proteins that mediate electron transfer in a range of metabolic reactions. The term "ferredoxin" was coined by D.C. Wharton of the DuPont Co. and applied to the "iron protein" first purified in 1962 by Mortenson, Valentine, and Carnah...
Ferredoxin
Chemistry,Biology
3,016
59,997,499
https://en.wikipedia.org/wiki/King%20of%20the%20Universe
King of the Universe (Sumerian: lugal ki-sár-ra or lugal kiš-ki, Akkadian: šarru kiššat māti, šar-kiššati or šar kiššatim), also interpreted as King of Everything, King of the Totality, King of All or King of the World, was a title of great prestige claiming domination of the universe used by powerful monarchs in ancie...
King of the Universe
Astronomy
4,184
45,580,833
https://en.wikipedia.org/wiki/Geometric%20morphometrics%20in%20anthropology
The study of geometric morphometrics in anthropology has made a major impact on the field of morphometrics by aiding in some of the technological and methodological advancements. Geometric morphometrics is an approach that studies shape using Cartesian landmark and semilandmark coordinates that are capable of capturing...
Geometric morphometrics in anthropology
Engineering,Biology
4,321
51,087,033
https://en.wikipedia.org/wiki/Testosterone%20propionate/testosterone%20phenylpropionate/testosterone%20isocaproate/testosterone%20caproate
Testosterone propionate/testosterone phenylpropionate/testosterone isocaproate/testosterone caproate (TP/TPP/TiC/TCa), sold under the brand name Omnadren or Omnadren 250, is an injectable combination medication of four testosterone esters, all of which are androgens/anabolic steroids, which is no longer marketed. Its ...
Testosterone propionate/testosterone phenylpropionate/testosterone isocaproate/testosterone caproate
Chemistry
205
7,174,467
https://en.wikipedia.org/wiki/Connected-component%20labeling
Connected-component labeling (CCL), connected-component analysis (CCA), blob extraction, region labeling, blob discovery, or region extraction is an algorithmic application of graph theory, where subsets of connected components are uniquely labeled based on a given heuristic. Connected-component labeling is not to be c...
Connected-component labeling
Engineering
3,311
28,431
https://en.wikipedia.org/wiki/Space%20exploration
Space exploration is the use of astronomy and space technology to explore outer space. While the exploration of space is currently carried out mainly by astronomers with telescopes, its physical exploration is conducted both by uncrewed robotic space probes and human spaceflight. Space exploration, like its classical f...
Space exploration
Astronomy
8,929
11,945,645
https://en.wikipedia.org/wiki/2%CF%80%20theorem
In mathematics, the theorem of Gromov and Thurston states a sufficient condition for Dehn filling on a cusped hyperbolic 3-manifold to result in a negatively curved 3-manifold. Let be a cusped hyperbolic 3-manifold. Disjoint horoball neighborhoods of each cusp can be selected. The boundaries of these neighborhoo...
2π theorem
Mathematics
446
4,059,082
https://en.wikipedia.org/wiki/Kadowaki%E2%80%93Woods%20ratio
The Kadowaki–Woods ratio is the ratio of A, the quadratic term of the resistivity and γ2, the square of the linear term of the specific heat. This ratio is found to be a constant for transition metals, and for heavy-fermion compounds, although at different values. In 1968 M. J. Rice pointed out that the coefficient A ...
Kadowaki–Woods ratio
Physics,Chemistry,Materials_science,Engineering
465
11,465,762
https://en.wikipedia.org/wiki/Pileolaria%20terebinthi
Pileolaria terebinthi is a plant pathogen infecting pistachio trees including Pistacia vera, Pistacia atlantica, and Pistacia terebinthus. References External links Index Fungorum USDA ARS Fungal Database Fungal plant pathogens and diseases Fruit tree diseases Pucciniales Fungus species
Pileolaria terebinthi
Biology
68
36,644,224
https://en.wikipedia.org/wiki/Cohen%20ring
In algebra, a Cohen ring is a field or a complete discrete valuation ring of mixed characteristic whose maximal ideal is generated by p. Cohen rings are used in the Cohen structure theorem for complete Noetherian local rings. See also Norm field References Cohen's paper was written when "local ring" meant what is ...
Cohen ring
Mathematics
79
56,135,961
https://en.wikipedia.org/wiki/Catalyst%20transfer%20polymerization
Catalyst transfer polymerization (CTP), or catalyst transfer polycondensation, is a type of living chain-growth polymerization that is used for synthesizing conjugated polymers. Benefits to using CTP over other methods are low polydispersity and control over number average molecular weight in the resulting polymers. Ve...
Catalyst transfer polymerization
Chemistry,Materials_science
1,007
797,291
https://en.wikipedia.org/wiki/Teabagging
Teabagging is a slang term for the sexual act involving placing the scrotum into the mouth of a sexual partner for sexual pleasure, or onto the face or head of another person, sometimes as a comedic device. The name of the practice, when it is done in a repeated in-and-out motion, is derived from its passing resemblan...
Teabagging
Biology
822
8,413,399
https://en.wikipedia.org/wiki/Inorganic%20pyrophosphatase
Inorganic pyrophosphatase (or inorganic diphosphatase, PPase) is an enzyme () that catalyzes the conversion of one ion of pyrophosphate to two phosphate ions. This is a highly exergonic reaction, and therefore can be coupled to unfavorable biochemical transformations in order to drive these transformations to completio...
Inorganic pyrophosphatase
Biology
1,228
19,809,804
https://en.wikipedia.org/wiki/Massed%20negative%20practice
Massed negative practice is a proposed treatment for the tics of Tourette syndrome in which the individual with Tourette's "practices" tics continuously until a conditioned level of fatigue is reached. It is based upon the Hullian learning theory, which holds that tics are "maladaptive habits that are strengthened by ...
Massed negative practice
Biology
111
56,873
https://en.wikipedia.org/wiki/Lactose%20intolerance
Lactose intolerance is caused by a lessened ability or a complete inability to digest lactose, a sugar found in dairy products. Humans vary in the amount of lactose they can tolerate before symptoms develop. Symptoms may include abdominal pain, bloating, diarrhea, flatulence, and nausea. These symptoms typically start ...
Lactose intolerance
Biology
5,808
63,775,376
https://en.wikipedia.org/wiki/Terbium%28IV%29%20oxide
Terbium(IV) oxide is an inorganic compound with a chemical formula TbO2. It can be produced by oxidizing terbium(III) oxide by oxygen gas at 1000 atm and 300 °C. Decomposition Terbium(IV) oxide starts to decompose at 340 °C, producing Tb5O8 and oxygen: 5 TbO2 → Tb5O8 + O2 References See also Terbium(III) oxide Terb...
Terbium(IV) oxide
Chemistry
108
1,118,498
https://en.wikipedia.org/wiki/Terence%20Tao
Terence Chi-Shen Tao (; born 17 July 1975) is an Australian-American mathematician, Fields medalist, and professor of mathematics at the University of California, Los Angeles (UCLA), where he holds the James and Carol Collins Chair in the College of Letters and Sciences. His research includes topics in harmonic analys...
Terence Tao
Mathematics
4,794
33,691,189
https://en.wikipedia.org/wiki/Fr%C3%A9chet%E2%80%93Kolmogorov%20theorem
In functional analysis, the Fréchet–Kolmogorov theorem (the names of Riesz or Weil are sometimes added as well) gives a necessary and sufficient condition for a set of functions to be relatively compact in an Lp space. It can be thought of as an Lp version of the Arzelà–Ascoli theorem, from which it can be deduced. Th...
Fréchet–Kolmogorov theorem
Mathematics
607
31,061,495
https://en.wikipedia.org/wiki/Amino%20acid%20response
Amino acid response is the mechanism triggered in mammalian cells by amino acid starvation. The amino acid response pathway is triggered by shortage of any essential amino acid, and results in an increase in activating transcription factor ATF4, which in turn affects many processes by sundry pathways to limit or incre...
Amino acid response
Chemistry,Biology
465
533,867
https://en.wikipedia.org/wiki/Backup
In information technology, a backup, or data backup is a copy of computer data taken and stored elsewhere so that it may be used to restore the original after a data loss event. The verb form, referring to the process of doing so, is "back up", whereas the noun and adjective form is "backup". Backups can be used to rec...
Backup
Technology,Engineering
5,471
16,845,302
https://en.wikipedia.org/wiki/PNRC1
Proline-rich nuclear receptor coactivator 1 is a protein that, in humans, is encoded by the PNRC1 gene. Function PNRC1 functions as a coactivator for several nuclear receptors including AR, ERα, ERRα, ERRγ, GR, SF1, PR, TR, RAR and RXR. The interaction between PNRC1 with nuclear receptors occurs through the SH3 doma...
PNRC1
Chemistry,Biology
110
10,300,128
https://en.wikipedia.org/wiki/Systematic%20Census%20of%20Australian%20Plants
The Systematic census of Australian plants, with chronologic, literary and geographic annotations, more commonly known as the Systematic Census of Australian Plants, also known by its standard botanic abbreviation Syst. Census Austral. Pl., is a survey of the vascular flora of Australia prepared by Government botanist ...
Systematic Census of Australian Plants
Biology
492
4,191,785
https://en.wikipedia.org/wiki/Aigo
Beijing Huaqi Information Digital Technology Co., Ltd, trading as Aigo (stylized as aigo), is a Chinese consumer electronics company. It is headquartered in the Ideal Plaza () in Haidian District, Beijing. History Beijing Huaqi Information Digital Technology Co Ltd (北京华旗资讯科技发展有限公司) is a consumer electronics manufactur...
Aigo
Technology
550