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77895 | https://en.wikipedia.org/wiki/Indri | Indri | The indri (; Indri indri), also called the babakoto, is one of the largest living lemurs, with a head-body length of about and a weight of between . It has a black and white coat and maintains an upright posture when climbing or clinging. It is monogamous and lives in small family groups, moving through the canopy, an... | Biology and health sciences | Strepsirrhini | Animals |
78000 | https://en.wikipedia.org/wiki/Tablet%20%28pharmacy%29 | Tablet (pharmacy) | A tablet (also known as a pill) is a pharmaceutical oral dosage form (oral solid dosage, or OSD) or solid unit dosage form. Tablets may be defined as the solid unit dosage form of medication with suitable excipients. It comprises a mixture of active substances and excipients, usually in powder form, that are pressed or... | Biology and health sciences | General concepts_2 | Health |
78011 | https://en.wikipedia.org/wiki/EDVAC | EDVAC | EDVAC (Electronic Discrete Variable Automatic Computer) was one of the earliest electronic computers. It was built by Moore School of Electrical Engineering at the University of Pennsylvania. Along with ORDVAC, it was a successor to the ENIAC. Unlike ENIAC, it was binary rather than decimal, and was designed to be a st... | Technology | Early computers | null |
78027 | https://en.wikipedia.org/wiki/Whirlwind%20I | Whirlwind I | Whirlwind I was a Cold War-era vacuum-tube computer developed by the MIT Servomechanisms Laboratory for the U.S. Navy. Operational in 1951, it was among the first digital electronic computers that operated in real-time for output, and the first that was not simply an electronic replacement of older mechanical systems.
... | Technology | Early computers | null |
78130 | https://en.wikipedia.org/wiki/Max-flow%20min-cut%20theorem | Max-flow min-cut theorem | In computer science and optimization theory, the max-flow min-cut theorem states that in a flow network, the maximum amount of flow passing from the source to the sink is equal to the total weight of the edges in a minimum cut, i.e., the smallest total weight of the edges which if removed would disconnect the source fr... | Mathematics | Graph theory | null |
78160 | https://en.wikipedia.org/wiki/Cougar | Cougar | The cougar (Puma concolor) (, KOO-gər), also known as the panther, mountain lion, catamount and puma, is a large cat native to the Americas. It inhabits North, Central and South America, making it the most widely distributed wild, terrestrial mammal in the Western Hemisphere, and one of the most widespread in the world... | Biology and health sciences | Carnivora | null |
78214 | https://en.wikipedia.org/wiki/Permaculture | Permaculture | Permaculture is an approach to land management and settlement design that adopts arrangements observed in flourishing natural ecosystems. It includes a set of design principles derived using whole-systems thinking. It applies these principles in fields such as regenerative agriculture, town planning, rewilding, and com... | Technology | Agriculture_2 | null |
78227 | https://en.wikipedia.org/wiki/Thalamus | Thalamus | The thalamus (: thalami; from Greek θάλαμος, "chamber") is a large mass of gray matter on the lateral walls of the third ventricle forming the dorsal part of the diencephalon (a division of the forebrain). Nerve fibers project out of the thalamus to the cerebral cortex in all directions, known as the thalamocortical ra... | Biology and health sciences | Nervous system | Biology |
78471 | https://en.wikipedia.org/wiki/Estuary | Estuary | An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea. Estuaries form a transition zone between river environments and maritime environments and are an example of an ecotone. Estuaries are subject both to marine i... | Physical sciences | Hydrology | null |
1105937 | https://en.wikipedia.org/wiki/Electrical%20wiring | Electrical wiring | Electrical wiring is an electrical installation of cabling and associated devices such as switches, distribution boards, sockets, and light fittings in a structure.
Wiring is subject to safety standards for design and installation. Allowable wire and cable types and sizes are specified according to the circuit operati... | Technology | Other components | null |
1106531 | https://en.wikipedia.org/wiki/Intrusive%20rock | Intrusive rock | Intrusive rock is formed when magma penetrates existing rock, crystallizes, and solidifies underground to form intrusions, such as batholiths, dikes, sills, laccoliths, and volcanic necks.
Intrusion is one of the two ways igneous rock can form. The other is extrusion, such as a volcanic eruption or similar event. An i... | Physical sciences | Igneous rocks | Earth science |
1106830 | https://en.wikipedia.org/wiki/Cell%20culture | Cell culture | Cell culture or tissue culture is the process by which cells are grown under controlled conditions, generally outside of their natural environment. After cells of interest have been isolated from living tissue, they can subsequently be maintained under carefully controlled conditions. They need to be kept at body tempe... | Technology | Biotechnology | null |
1107596 | https://en.wikipedia.org/wiki/Linear%20approximation | Linear approximation | In mathematics, a linear approximation is an approximation of a general function using a linear function (more precisely, an affine function). They are widely used in the method of finite differences to produce first order methods for solving or approximating solutions to equations.
Definition
Given a twice continuous... | Mathematics | Basics_2 | null |
1108210 | https://en.wikipedia.org/wiki/Antlion | Antlion | The antlions are a group of about 2,000 species of insect in the neuropteran family Myrmeleontidae. They are known for the predatory habits of their larvae, which mostly dig pits to trap passing ants or other prey. In North America, the larvae are sometimes referred to as doodlebugs because of the marks they leave in t... | Biology and health sciences | Insects: General | Animals |
1108628 | https://en.wikipedia.org/wiki/Homo%20floresiensis | Homo floresiensis | Homo floresiensis , also known as "Flores Man" or "Hobbit" (after the fictional species), is an extinct species of small archaic humans that inhabited the island of Flores, Indonesia, until the arrival of modern humans about 50,000 years ago.
The remains of an individual who would have stood about in height were disc... | Biology and health sciences | Homo | Biology |
1109384 | https://en.wikipedia.org/wiki/Soxhlet%20extractor | Soxhlet extractor | A Soxhlet extractor is a piece of laboratory apparatus invented in 1879 by Franz von Soxhlet. It was originally designed for the extraction of a lipid from a solid material. Typically, Soxhlet extraction is used when the desired compound has a limited solubility in a solvent, and the impurity is insoluble in that sol... | Physical sciences | Other separations | Chemistry |
4388926 | https://en.wikipedia.org/wiki/Snipe%20eel | Snipe eel | Snipe eels are a family, Nemichthyidae, of eels that consists of nine species in three genera. They are pelagic fishes, found in every ocean, mostly at depths of but sometimes as deep as . Depending on the species, adults may reach in length, yet they weigh only . They are distinguished by their very slender jaws tha... | Biology and health sciences | Anguilliformes | Animals |
4392867 | https://en.wikipedia.org/wiki/Phenylpropanoid | Phenylpropanoid | The phenylpropanoids are a diverse family of organic compounds that are biosynthesized by plants from the amino acids phenylalanine and tyrosine in the shikimic acid pathway. Their name is derived from the six-carbon, aromatic phenyl group and the three-carbon propene tail of coumaric acid, which is the central interme... | Physical sciences | Phenylpropanoids | Chemistry |
4396171 | https://en.wikipedia.org/wiki/Earth%27s%20rotation | Earth's rotation | Earth's rotation or Earth's spin is the rotation of planet Earth around its own axis, as well as changes in the orientation of the rotation axis in space. Earth rotates eastward, in prograde motion. As viewed from the northern polar star Polaris, Earth turns counterclockwise.
The North Pole, also known as the Geograph... | Physical sciences | Earth science basics: General | Earth science |
4396843 | https://en.wikipedia.org/wiki/Wood%20drying | Wood drying | Wood drying (also seasoning lumber or wood seasoning) reduces the moisture content of wood before its use. When the drying is done in a kiln, the product is known as kiln-dried timber or lumber, whereas air drying is the more traditional method.
There are two main reasons for drying wood:
WoodworkingWhen wood is used... | Technology | Building materials | null |
5827404 | https://en.wikipedia.org/wiki/Israel%20Space%20Agency | Israel Space Agency | The Israel Space Agency (ISA; , Sokhnut heKhalal haYisraelit) is a governmental body, a part of Israel's Ministry of Science and Technology, that coordinates all Israeli space research programs with scientific and commercial goals.
The agency was founded by the theoretical physicist Yuval Ne'eman in 1983 to replace t... | Technology | Programs and launch sites | null |
7616391 | https://en.wikipedia.org/wiki/Polytrauma | Polytrauma | Polytrauma and multiple trauma are medical terms describing the condition of a person who has been subjected to multiple traumatic injuries, such as a serious head injury in addition to a serious burn. The term is defined via an Injury Severity Score (ISS) equal to or greater than 16. It has become a commonly applied t... | Biology and health sciences | Injury: General | Health |
7620308 | https://en.wikipedia.org/wiki/Elementary%20reaction | Elementary reaction | An elementary reaction is a chemical reaction in which one or more chemical species react directly to form products in a single reaction step and with a single transition state. In practice, a reaction is assumed to be elementary if no reaction intermediates have been detected or need to be postulated to describe the r... | Physical sciences | Basics_3 | Chemistry |
7622892 | https://en.wikipedia.org/wiki/Point%20source | Point source | A point source is a single identifiable localized source of something. A point source has a negligible extent, distinguishing it from other source geometries. Sources are called point sources because, in mathematical modeling, these sources can usually be approximated as a mathematical point to simplify analysis.
The ... | Physical sciences | Electromagnetic radiation | Physics |
662776 | https://en.wikipedia.org/wiki/Turbellaria | Turbellaria | The Turbellaria are one of the traditional sub-divisions of the phylum Platyhelminthes (flatworms), and include all the sub-groups that are not exclusively parasitic. There are about 4,500 species, which range from to large freshwater forms more than long or terrestrial species like Bipalium kewense which can reach ... | Biology and health sciences | Platyzoa | Animals |
662787 | https://en.wikipedia.org/wiki/Elliptic%20partial%20differential%20equation | Elliptic partial differential equation | In mathematics, an elliptic partial differential equation is a type of partial differential equation (PDE). In mathematical modeling, elliptic PDEs are frequently used to model steady states, unlike parabolic PDE and hyperbolic PDE which generally model phenomena that change in time. They are also important in pure mat... | Mathematics | Differential equations | null |
662807 | https://en.wikipedia.org/wiki/Stun%20grenade | Stun grenade | A stun grenade, also known as a flash grenade, flashbang, thunderflash, or sound bomb, is a non-lethal explosive device used to temporarily disorient an enemy's senses. Upon detonation, a stun grenade produces a blinding flash of light and an extremely loud "bang". They are often used in close-quarters combat, door bre... | Technology | Less-lethal weapons | null |
662851 | https://en.wikipedia.org/wiki/Homarus%20gammarus | Homarus gammarus | Homarus gammarus, known as the European lobster or common lobster, is a species of clawed lobster from the eastern Atlantic Ocean, Mediterranean Sea and parts of the Black Sea. It is closely related to the American lobster, H. americanus. It may grow to a length of and a mass of , and bears a conspicuous pair of claws... | Biology and health sciences | Crayfishes and lobsters | Animals |
662879 | https://en.wikipedia.org/wiki/Mobile%20device | Mobile device | A mobile device or handheld device is a computer small enough to hold and operate in hand. Mobile devices are typically battery-powered and possess a flat-panel display and one or more built-in input devices, such as a touchscreen or keypad. Modern mobile devices often emphasize wireless networking, to both the Interne... | Technology | Computer hardware | null |
662948 | https://en.wikipedia.org/wiki/Auckland%20Harbour%20Bridge | Auckland Harbour Bridge | The Auckland Harbour Bridge is an eight-lane motorway bridge over the Waitematā Harbour in Auckland, New Zealand. It joins St Marys Bay on the Auckland city side with Northcote on the North Shore side. It is part of State Highway 1 and the Auckland Northern Motorway. The bridge is operated by the NZ Transport Agency (N... | Technology | Bridges | null |
663041 | https://en.wikipedia.org/wiki/Greatest%20element%20and%20least%20element | Greatest element and least element | In mathematics, especially in order theory, the greatest element of a subset of a partially ordered set (poset) is an element of that is greater than every other element of . The term least element is defined dually, that is, it is an element of that is smaller than every other element of
Definitions
Let be a pr... | Mathematics | Order theory | null |
663355 | https://en.wikipedia.org/wiki/Lava%20tube | Lava tube | A lava tube, or pyroduct, is a natural conduit formed by flowing lava from a volcanic vent that moves beneath the hardened surface of a lava flow. If lava in the tube empties, it will leave a cave.
Scientists have discovered fossils in lava tubes near Medina in northwestern Saudi Arabia, encouraging the belief that bo... | Physical sciences | Caves | Earth science |
663464 | https://en.wikipedia.org/wiki/Buttress | Buttress | A buttress is an architectural structure built against or projecting from a wall which serves to support or reinforce the wall. Buttresses are fairly common on more ancient (typically Gothic) buildings, as a means of providing support to act against the lateral (sideways) forces arising out of inadequately braced roof ... | Technology | Architectural elements | null |
663616 | https://en.wikipedia.org/wiki/Lion%27s%20mane%20jellyfish | Lion's mane jellyfish | The lion's mane jellyfish (Cyanea capillata) is one of the largest known species of jellyfish. Its range is confined to cold, boreal waters of the Arctic, northern Atlantic, and northern Pacific Oceans. It is common in the English Channel, Irish Sea, North Sea, and in western Scandinavian waters south to Kattegat and Ø... | Biology and health sciences | Cnidarians | Animals |
663861 | https://en.wikipedia.org/wiki/Private%20network | Private network | In Internet networking, a private network is a computer network that uses a private address space of IP addresses. These addresses are commonly used for local area networks (LANs) in residential, office, and enterprise environments. Both the IPv4 and the IPv6 specifications define private IP address ranges.
Most Inter... | Technology | Networks | null |
664488 | https://en.wikipedia.org/wiki/Reciprocal%20lattice | Reciprocal lattice | The reciprocal lattice is a term associated with solids with translational symmetry, and plays a major role in many areas such as X-ray and electron diffraction as well as the energies of electrons in a solid. It emerges from the Fourier transform of the lattice associated with the arrangement of the atoms. The direct... | Physical sciences | Crystallography | Physics |
664497 | https://en.wikipedia.org/wiki/Parallel%20%28geometry%29 | Parallel (geometry) | In geometry, parallel lines are coplanar infinite straight lines that do not intersect at any point. Parallel planes are planes in the same three-dimensional space that never meet. Parallel curves are curves that do not touch each other or intersect and keep a fixed minimum distance. In three-dimensional Euclidean spac... | Mathematics | Two-dimensional space | null |
664655 | https://en.wikipedia.org/wiki/Gal%20%28unit%29 | Gal (unit) | The gal (symbol: Gal), sometimes called galileo after Galileo Galilei, is a unit of acceleration typically used in precision gravimetry. The gal is defined as 1 centimeter per second squared (1 cm/s2). The milligal (mGal) and microgal (μGal) are respectively one thousandth and one millionth of a gal.
The gal is not pa... | Physical sciences | Acceleration | Basics and measurement |
12264442 | https://en.wikipedia.org/wiki/Sea%20surface%20microlayer | Sea surface microlayer | The sea surface microlayer (SML) is the boundary interface between the atmosphere and ocean, covering about 70% of Earth's surface. With an operationally defined thickness between 1 and , the SML has physicochemical and biological properties that are measurably distinct from underlying waters. Recent studies now indica... | Physical sciences | Oceanography | Earth science |
12271360 | https://en.wikipedia.org/wiki/Locustellidae | Locustellidae | Locustellidae is a newly recognized family of small insectivorous songbirds ("warblers"), formerly placed in the Old World warbler "wastebin" family. It contains the grass warblers, grassbirds, and the Bradypterus "bush warblers". These birds occur mainly in Eurasia, Africa, and the Australian region. The family name i... | Biology and health sciences | Passerida | Animals |
13896574 | https://en.wikipedia.org/wiki/Surgical%20suture | Surgical suture | A surgical suture, also known as a stitch or stitches, is a medical device used to hold body tissues together and approximate wound edges after an injury or surgery. Application generally involves using a needle with an attached length of thread. There are numerous types of suture which differ by needle shape and size ... | Technology | Surgical instruments | null |
14990054 | https://en.wikipedia.org/wiki/Sleep%20in%20animals | Sleep in animals | Sleep appears to be a biological requirement for all animals except for basal species with no brain or only a rudimentary brain. It has been observed in mammals, birds, reptiles, amphibians, fish, and, in some form, in insects. The internal circadian clock promotes sleep at night for diurnal organisms (such as humans) ... | Biology and health sciences | Ethology | Biology |
3239188 | https://en.wikipedia.org/wiki/ARINC%20429 | ARINC 429 | ARINC 429, the "Mark 33 Digital Information Transfer System (DITS)," is the ARINC technical standard for the predominant avionics data bus used on most higher-end commercial and transport aircraft. It defines the physical and electrical interfaces of a two-wire data bus and a data protocol to support an aircraft's avio... | Technology | Aircraft components | null |
3239191 | https://en.wikipedia.org/wiki/Post-transcriptional%20modification | Post-transcriptional modification | Transcriptional modification or co-transcriptional modification is a set of biological processes common to most eukaryotic cells by which an RNA primary transcript is chemically altered following transcription from a gene to produce a mature, functional RNA molecule that can then leave the nucleus and perform any of a ... | Biology and health sciences | Molecular biology | Biology |
3239291 | https://en.wikipedia.org/wiki/Fracture%20toughness | Fracture toughness | In materials science, fracture toughness is the critical stress intensity factor of a sharp crack where propagation of the crack suddenly becomes rapid and unlimited. A component's thickness affects the constraint conditions at the tip of a crack with thin components having plane stress conditions and thick components... | Physical sciences | Solid mechanics | Physics |
9157119 | https://en.wikipedia.org/wiki/Feasible%20region | Feasible region | In mathematical optimization and computer science, a feasible region, feasible set, or solution space is the set of all possible points (sets of values of the choice variables) of an optimization problem that satisfy the problem's constraints, potentially including inequalities, equalities, and integer constraints. Thi... | Mathematics | Optimization | null |
2349775 | https://en.wikipedia.org/wiki/Pinene | Pinene | Pinene is a collection of unsaturated bicyclic monoterpenes. Two geometric isomers of pinene are found in nature, α-pinene and β-pinene. Both are chiral. As the name suggests, pinenes are found in pines. Specifically, pinene is the major component of the liquid extracts of conifers. Pinenes are also found in many non-... | Physical sciences | Terpenes and terpenoids | Chemistry |
2350490 | https://en.wikipedia.org/wiki/Road%20roller | Road roller | A road roller (sometimes called a roller-compactor, or just roller) is a compactor-type engineering vehicle used to compact soil, gravel, concrete, or asphalt in the construction of roads and foundations. Similar rollers are used also at landfills or in agriculture.
Road rollers are frequently referred to as steamroll... | Technology | Specific-purpose transportation | null |
2350733 | https://en.wikipedia.org/wiki/Coma%20Cluster | Coma Cluster | The Coma Cluster (Abell 1656) is a large cluster of galaxies that contains over 1,000 identified galaxies. Along with the Leo Cluster (Abell 1367), it is one of the two major clusters comprising the Coma Supercluster. It is located in and takes its name from the constellation Coma Berenices.
The cluster's mean distanc... | Physical sciences | Notable galaxy clusters | Astronomy |
2350760 | https://en.wikipedia.org/wiki/Black%20mamba | Black mamba | The black mamba (Dendroaspis polylepis) is a species of highly venomous snake belonging to the family Elapidae. It is native to parts of sub-Saharan Africa. First formally described by Albert Günther in 1864, it is the second-longest venomous snake after the king cobra; mature specimens generally exceed and commonly g... | Biology and health sciences | Snakes | Animals |
2350918 | https://en.wikipedia.org/wiki/Thermal%20runaway | Thermal runaway | Thermal runaway describes a process that is accelerated by increased temperature, in turn releasing energy that further increases temperature. Thermal runaway occurs in situations where an increase in temperature changes the conditions in a way that causes a further increase in temperature, often leading to a destructi... | Physical sciences | Thermodynamics | Chemistry |
2351790 | https://en.wikipedia.org/wiki/Crocoite | Crocoite | Crocoite is a mineral consisting of lead chromate, PbCrO4, and crystallizing in the monoclinic crystal system. It is identical in composition with the artificial product chrome yellow used as a paint pigment.
Description
Crocoite is commonly found as large, well-developed prismatic adamantine crystals, although in ma... | Physical sciences | Minerals | Earth science |
2351950 | https://en.wikipedia.org/wiki/Catty | Catty | The catty or kati is a traditional Chinese unit of mass used across East and Southeast Asia, notably for weighing food and other groceries. Related units include the picul, equal to 100 catties, and the tael, which is of a catty. A stone is a former unit used in Hong Kong equal to 120 catties and a gwan () is 30 catt... | Physical sciences | Chinese | Basics and measurement |
2352847 | https://en.wikipedia.org/wiki/Strategic%20dominance | Strategic dominance | In game theory, a strategy A dominates another strategy B if A will always produces a better result than B, regardless of how any other player plays no matter how that player's opponent or opponents play. Some very simple games (called straightforward games) can be solved using dominance.
Terminology
A player can comp... | Mathematics | Game theory | null |
2352910 | https://en.wikipedia.org/wiki/Solar%20cell | Solar cell | A solar cell, also known as a photovoltaic cell (PV cell), is an electronic device that converts the energy of light directly into electricity by means of the photovoltaic effect. It is a form of photoelectric cell, a device whose electrical characteristics (such as current, voltage, or resistance) vary when it is expo... | Technology | Energy and fuel | null |
2353769 | https://en.wikipedia.org/wiki/Thorianite | Thorianite | Thorianite is a rare thorium oxide mineral, ThO2. It was originally described by Ananda Coomaraswamy in 1904 as uraninite, but recognized as a new species by Wyndham R. Dunstan. It was so named by Dunstan on account of its high percentage of thorium; it also contains the oxides of uranium, lanthanum, cerium, praseodymi... | Physical sciences | Minerals | Earth science |
2354317 | https://en.wikipedia.org/wiki/Sulfolobus | Sulfolobus | Sulfolobus is a genus of microorganism in the family Sulfolobaceae. It belongs to the archaea domain.
Sulfolobus species grow in volcanic springs with optimal growth occurring at pH 2–3 and temperatures of 75–80 °C, making them acidophiles and thermophiles respectively. Sulfolobus cells are irregularly shaped and fla... | Biology and health sciences | Archaea | Plants |
5839439 | https://en.wikipedia.org/wiki/Rotorcraft | Rotorcraft | A rotary-wing aircraft, rotorwing aircraft or rotorcraft is a heavier-than-air aircraft with rotary wings that spin around a vertical mast to generate lift. Part 1 (Definitions and Abbreviations) of Subchapter A of Chapter I of Title 14 of the U. S. Code of Federal Regulations states that rotorcraft "means a heavier-t... | Technology | Types of aircraft | null |
5839673 | https://en.wikipedia.org/wiki/Quantitative%20analysis%20%28chemistry%29 | Quantitative analysis (chemistry) | In analytical chemistry, quantitative analysis is the determination of the absolute or relative abundance (often expressed as a concentration) of one, several or all particular substance(s) present in a sample. It relates to the determination of percentage of constituents in any given sample.
Methods
Once the presence... | Physical sciences | Basics_2 | Chemistry |
390214 | https://en.wikipedia.org/wiki/Graphics%20processing%20unit | Graphics processing unit | A graphics processing unit (GPU) is a specialized electronic circuit initially designed for digital image processing and to accelerate computer graphics, being present either as a discrete video card or embedded on motherboards, mobile phones, personal computers, workstations, and game consoles. After their initial des... | Technology | Computer hardware | null |
390410 | https://en.wikipedia.org/wiki/Salt%20pan%20%28geology%29 | Salt pan (geology) | Natural salt pans or salt flats are flat expanses of ground covered with salt and other minerals, usually shining white under the sun. They are found in deserts and are natural formations (unlike salt evaporation ponds, which are artificial).
A salt pan forms by evaporation of a water pool, such as a lake or pond. Th... | Physical sciences | Hydrology | Earth science |
390757 | https://en.wikipedia.org/wiki/Sprain | Sprain | A sprain is a soft tissue injury of the ligaments within a joint, often caused by a sudden movement abruptly forcing the joint to exceed its functional range of motion. Ligaments are tough, inelastic fibers made of collagen that connect two or more bones to form a joint and are important for joint stability and proprio... | Biology and health sciences | Types | Health |
390818 | https://en.wikipedia.org/wiki/Endive | Endive | Endive () is a leaf vegetable belonging to the genus Cichorium, which includes several similar bitter-leafed vegetables. Species include Cichorium endivia (also called endive), Cichorium pumilum (also called wild endive), and Cichorium intybus (also called chicory). Chicory includes types such as radicchio, puntarelle,... | Biology and health sciences | Leafy vegetables | Plants |
390883 | https://en.wikipedia.org/wiki/Electric%20locomotive | Electric locomotive | An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or on-board energy storage such as a battery or a supercapacitor. Locomotives with on-board fuelled prime movers, such as diesel engines or gas turbines, are classed as diesel–electric or gas turbine–electric and not as elec... | Technology | Rail and cable transport | null |
390905 | https://en.wikipedia.org/wiki/New%20Horizons | New Horizons | {{Infobox spaceflight
| name = New Horizons
| names_list = New Frontiers 1
| image = New Horizons Transparent.png
| image_caption = New Horizons space probe
| insignia = New Horizons - Logo2 big.png
| mission_type = Pluto/Arrokoth flyby
| operator = NASA... | Technology | Unmanned spacecraft | null |
391020 | https://en.wikipedia.org/wiki/Sirenidae | Sirenidae | Sirenidae, the sirens, are a family of neotenic aquatic salamanders. Family members have very small fore limbs and lack hind limbs altogether. In one species, the skeleton in their fore limbs is made of only cartilage. In contrast to most other salamanders, they have external gills bunched together on the neck in both ... | Biology and health sciences | Salamanders and newts | Animals |
391037 | https://en.wikipedia.org/wiki/Northern%20mockingbird | Northern mockingbird | The northern mockingbird (Mimus polyglottos) is a mockingbird commonly found in North America, of the family Mimidae. The species is also found in some parts of the Caribbean, as well as on the Hawaiian Islands. It is typically a permanent resident across much of its range, but northern mockingbirds may move farther so... | Biology and health sciences | Passerida | Animals |
391141 | https://en.wikipedia.org/wiki/Basophil | Basophil | Basophils are a type of white blood cell. Basophils are the least common type of granulocyte, representing about 0.5% to 1% of circulating white blood cells. They are the largest type of granulocyte. They are responsible for inflammatory reactions during immune response, as well as in the formation of acute and chronic... | Biology and health sciences | Circulatory system | Biology |
392019 | https://en.wikipedia.org/wiki/Mycobacterium%20tuberculosis | Mycobacterium tuberculosis | Mycobacterium tuberculosis (M. tb), also known as Koch's bacillus, is a species of pathogenic bacteria in the family Mycobacteriaceae and the causative agent of tuberculosis. First discovered in 1882 by Robert Koch, M. tuberculosis has an unusual, waxy coating on its cell surface primarily due to the presence of mycoli... | Biology and health sciences | Gram-positive bacteria | Plants |
392196 | https://en.wikipedia.org/wiki/2MASS | 2MASS | The Two Micron All-Sky Survey, or 2MASS, was an astronomical survey of the whole sky in infrared light. It took place between 1997 and 2001, in two different locations: at the U.S. Fred Lawrence Whipple Observatory on Mount Hopkins, Arizona, and at the Cerro Tololo Inter-American Observatory in Chile, each using a 1.3-... | Physical sciences | Surveys and Catalogs | Astronomy |
392309 | https://en.wikipedia.org/wiki/Founder%20effect | Founder effect | In population genetics, the founder effect is the loss of genetic variation that occurs when a new population is established by a very small number of individuals from a larger population. It was first fully outlined by Ernst Mayr in 1942, using existing theoretical work by those such as Sewall Wright. As a result of t... | Biology and health sciences | Basics_4 | Biology |
392547 | https://en.wikipedia.org/wiki/Fuel%20oil | Fuel oil | Fuel oil is any of various fractions obtained from the distillation of petroleum (crude oil). Such oils include distillates (the lighter fractions) and residues (the heavier fractions). Fuel oils include heavy fuel oil (bunker fuel), marine fuel oil (MFO), furnace oil (FO), gas oil (gasoil), heating oils (such as home ... | Technology | Fuel | null |
392778 | https://en.wikipedia.org/wiki/Microcar | Microcar | Microcar is a term often used for the smallest size of cars, with three or four wheels and often an engine smaller than . Specific types of microcars include bubble cars, cycle cars, invacar, quadricycles and voiturettes. Microcars are often covered by separate regulations to normal cars, having relaxed requirements fo... | Technology | Motorized road transport | null |
393012 | https://en.wikipedia.org/wiki/Interurban | Interurban | The interurban (or radial railway in Canada) is a type of electric railway, with tram-like electric self-propelled railcars which run within and between cities or towns. The term "interurban" is usually used in North America, with other terms used outside it. They were very prevalent in many parts of the world before t... | Technology | Rail and cable transport | null |
393061 | https://en.wikipedia.org/wiki/Speleothem | Speleothem | A speleothem (; ) is a geological formation made by mineral deposits that accumulate over time in natural caves. Speleothems most commonly form in calcareous caves due to carbonate dissolution reactions. They can take a variety of forms, depending on their depositional history and environment. Their chemical compositio... | Physical sciences | Caves | Earth science |
393255 | https://en.wikipedia.org/wiki/Mourning%20dove | Mourning dove | The mourning dove (Zenaida macroura) is a member of the dove family, Columbidae. The bird is also known as the American mourning dove, the rain dove, the chueybird, colloquially as the turtle dove, and it was once known as the Carolina pigeon and Carolina turtledove. It is one of the most abundant and widespread North ... | Biology and health sciences | Columbimorphae | Animals |
393258 | https://en.wikipedia.org/wiki/Dirichlet%20series | Dirichlet series | In mathematics, a Dirichlet series is any series of the form
where s is complex, and is a complex sequence. It is a special case of general Dirichlet series.
Dirichlet series play a variety of important roles in analytic number theory. The most usually seen definition of the Riemann zeta function is a Dirichlet seri... | Mathematics | Sequences and series | null |
393311 | https://en.wikipedia.org/wiki/Bar%20chart | Bar chart | A bar chart or bar graph is a chart or graph that presents categorical data with rectangular bars with heights or lengths proportional to the values that they represent. The bars can be plotted vertically or horizontally. A vertical bar chart is sometimes called a column chart and has been identified as the prototype ... | Mathematics | Statistics | null |
16711283 | https://en.wikipedia.org/wiki/BKS%20theory | BKS theory | In the history of quantum mechanics, the Bohr–Kramers–Slater (BKS) theory was perhaps the final attempt at understanding the interaction of matter and electromagnetic radiation on the basis of the so-called old quantum theory, in which quantum phenomena are treated by imposing quantum restrictions on classically descri... | Physical sciences | Quantum mechanics | Physics |
12274475 | https://en.wikipedia.org/wiki/Variant%20Creutzfeldt%E2%80%93Jakob%20disease | Variant Creutzfeldt–Jakob disease | Variant Creutzfeldt–Jakob disease (vCJD), formerly known as New variant Creutzfeldt–Jakob disease (nvCJD) and referred to colloquially as "mad cow disease" or "human mad cow disease" to distinguish it from its BSE counterpart, is a fatal type of brain disease within the transmissible spongiform encephalopathy family. I... | Biology and health sciences | Prion diseases | Health |
12276398 | https://en.wikipedia.org/wiki/Human%20embryonic%20development | Human embryonic development | Human embryonic development or human embryogenesis is the development and formation of the human embryo. It is characterised by the processes of cell division and cellular differentiation of the embryo that occurs during the early stages of development. In biological terms, the development of the human body entails gro... | Biology and health sciences | Human reproduction | Biology |
1686272 | https://en.wikipedia.org/wiki/Chemical%20biology | Chemical biology | Chemical biology is a scientific discipline between the fields of chemistry and biology. The discipline involves the application of chemical techniques, analysis, and often small molecules produced through synthetic chemistry, to the study and manipulation of biological systems. Although often confused with biochemistr... | Biology and health sciences | Biochemistry and molecular biology | null |
1686370 | https://en.wikipedia.org/wiki/Mineral%20processing | Mineral processing | Mineral processing is the process of separating commercially valuable minerals from their ores in the field of extractive metallurgy. Depending on the processes used in each instance, it is often referred to as ore dressing or ore milling.
Beneficiation is any process that improves (benefits) the economic value of th... | Technology | Metallurgy | null |
1686418 | https://en.wikipedia.org/wiki/Voltage%20source | Voltage source | A voltage source is a two-terminal device which can maintain a fixed voltage. An ideal voltage source can maintain the fixed voltage independent of the load resistance or the output current. However, a real-world voltage source cannot supply unlimited current.
A voltage source is the dual of a current source. Real-wo... | Technology | Components | null |
1687186 | https://en.wikipedia.org/wiki/Inland%20taipan | Inland taipan | The inland taipan (Oxyuranus microlepidotus), also commonly known as the western taipan, small-scaled snake, or fierce snake, is a species of extremely venomous snake in the family Elapidae. The species is endemic to semiarid regions of central east Australia. Aboriginal Australians living in those regions named the sn... | Biology and health sciences | Snakes | Animals |
1688526 | https://en.wikipedia.org/wiki/H%20I%20region | H I region | An HI region or H I region (read H one) is a cloud in the interstellar medium composed of neutral atomic hydrogen (HI), in addition to the local abundance of helium and other elements. (H is the chemical symbol for hydrogen, and "I" is the Roman numeral. It is customary in astronomy to use the Roman numeral I for neutr... | Physical sciences | Basics_2 | Astronomy |
14997569 | https://en.wikipedia.org/wiki/Location%20of%20Earth | Location of Earth | Knowledge of the location of Earth has been shaped by 400 years of telescopic observations, and has expanded radically since the start of the 20th century. Initially, Earth was believed to be the center of the Universe,
which consisted only of those planets visible with the naked eye and an outlying sphere of fixed sta... | Physical sciences | Solar System | Astronomy |
11353408 | https://en.wikipedia.org/wiki/Earthquake%20forecasting | Earthquake forecasting | Earthquake forecasting is a branch of the science of seismology concerned with the probabilistic assessment of general earthquake seismic hazard, including the frequency and magnitude of damaging earthquakes in a given area over years or decades. While forecasting is usually considered to be a type of prediction, earth... | Physical sciences | Seismology | Earth science |
1110017 | https://en.wikipedia.org/wiki/Dump%20truck | Dump truck | A dump truck, known also as a dumping truck, dump trailer, dumper trailer, dump lorry or dumper lorry or a dumper for short, is used for transporting materials (such as dirt, gravel, or demolition waste) for construction as well as coal. A typical dump truck is equipped with an open-box bed, which is hinged at the rear... | Technology | Specific-purpose transportation | null |
1110369 | https://en.wikipedia.org/wiki/Battle%20axe | Battle axe | A battle axe (also battle-axe, battle ax, or battle-ax) is an axe specifically designed for combat. Battle axes were designed differently to utility axes, with blades more akin to cleavers than to wood axes. Many were suitable for use in one hand, while others were larger and were deployed two-handed.
Axes designed fo... | Technology | Melee weapons | null |
1110611 | https://en.wikipedia.org/wiki/Muscle%20contraction | Muscle contraction | Muscle contraction is the activation of tension-generating sites within muscle cells. In physiology, muscle contraction does not necessarily mean muscle shortening because muscle tension can be produced without changes in muscle length, such as when holding something heavy in the same position. The termination of muscl... | Biology and health sciences | Basics_3 | null |
1111506 | https://en.wikipedia.org/wiki/Lepidodendron | Lepidodendron | Lepidodendron is an extinct genus of primitive lycopodian vascular plants belonging the order Lepidodendrales. It is well preserved and common in the fossil record. Like other Lepidodendrales, species of Lepidodendron grew as large-tree-like plants in wetland coal forest environments. They sometimes reached heights of ... | Biology and health sciences | Lycophytes | Plants |
1111581 | https://en.wikipedia.org/wiki/Reaction%20%28physics%29 | Reaction (physics) | As described by the third of Newton's laws of motion of classical mechanics, all forces occur in pairs such that if one object exerts a force on another object, then the second object exerts an equal and opposite reaction force on the first. The third law is also more generally stated as: "To every action there is al... | Physical sciences | Classical mechanics | Physics |
1111758 | https://en.wikipedia.org/wiki/Antennae%20Galaxies | Antennae Galaxies | The Antennae Galaxies (also known as NGC 4038/NGC 4039 or Caldwell 60/Caldwell 61) are a pair of interacting galaxies in the constellation Corvus. They are currently going through a starburst phase, in which the collision of clouds of gas and dust, with entangled magnetic fields, causes rapid star formation. They were ... | Physical sciences | Notable galaxies | Astronomy |
1112059 | https://en.wikipedia.org/wiki/Tick-borne%20disease | Tick-borne disease | Tick-borne diseases, which afflict humans and other animals, are caused by infectious agents transmitted by tick bites. They are caused by infection with a variety of pathogens, including rickettsia and other types of bacteria, viruses, and protozoa.
The economic impact of tick-borne diseases is considered to be substa... | Biology and health sciences | Concepts | Health |
1113241 | https://en.wikipedia.org/wiki/Stegodon | Stegodon | Stegodon ("roofed tooth" from the Ancient Greek words , , 'to cover', + , , 'tooth' because of the distinctive ridges on the animal's molars) is an extinct genus of proboscidean, related to elephants. It was originally assigned to the family Elephantidae along with modern elephants but is now placed in the extinct fami... | Biology and health sciences | Proboscidea | Animals |
4399268 | https://en.wikipedia.org/wiki/East%20Asian%20monsoon | East Asian monsoon | The East Asian monsoon is a monsoonal flow that carries moist air from the Indian Ocean and Pacific Ocean to East Asia. It affects approximately one-third of the global population, influencing the climate of Japan, the Korean Peninsula, Taiwan, China, the Philippines and Mainland Southeast Asia but most significantly V... | Physical sciences | Seasons | Earth science |
4402647 | https://en.wikipedia.org/wiki/Notopteridae | Notopteridae | The family Notopteridae contains 10 species of osteoglossiform (bony-tongued) fishes, commonly known as featherbacks and knifefishes. These fishes live in freshwater or brackish environments in Africa and West South East and Southeast Asia.
With the denotation of "knifefish", the notopterids should not be confused wit... | Biology and health sciences | Osteoglossiformes | Animals |
4403651 | https://en.wikipedia.org/wiki/Sheep%E2%80%93goat%20hybrid | Sheep–goat hybrid | A sheep–goat hybrid (called a geep in popular media or sometimes a shoat) is a hybrid between a sheep and a goat.
While sheep and goats are similar and can be mated, they belong to different genera in the subfamily Caprinae of the family Bovidae. Sheep belong to the genus Ovis and have 54 chromosomes, while goats bel... | Biology and health sciences | Hybrids | Animals |
4404236 | https://en.wikipedia.org/wiki/Bornean%20bearded%20pig | Bornean bearded pig | The Bornean bearded pig (Sus barbatus), also known as the Sunda bearded pig or simply bearded pig, is a species in the pig genus, Sus.
It can be recognized by its prominent beard. It also sometimes has tassels on its tail. It is found in Southeast Asia—Sumatra, Borneo, the Malay Peninsula, and various smaller islands ... | Biology and health sciences | Pigs_2 | Animals |
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