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71944 | https://en.wikipedia.org/wiki/Kidney%20bean | Kidney bean | The kidney bean is a variety of the common bean (Phaseolus vulgaris) named for its resemblance to a human kidney.
Classification
There are different classifications of kidney beans, such as:
Red kidney bean (also known as: common kidney bean, rajma in India, surkh (red) lobia in Pakistan).
Light speckled kidney bean ... | Biology and health sciences | Pulses | Plants |
72016 | https://en.wikipedia.org/wiki/Genetic%20drift | Genetic drift | Genetic drift, also known as random genetic drift, allelic drift or the Wright effect, is the change in the frequency of an existing gene variant (allele) in a population due to random chance.
Genetic drift may cause gene variants to disappear completely and thereby reduce genetic variation. It can also cause initiall... | Biology and health sciences | Evolution | null |
72038 | https://en.wikipedia.org/wiki/C%2B%2B | C++ | C++ (, pronounced "C plus plus" and sometimes abbreviated as CPP) is a high-level, general-purpose programming language created by Danish computer scientist Bjarne Stroustrup. First released in 1985 as an extension of the C programming language, it has since expanded significantly over time; , C++ has object-oriented, ... | Technology | Programming languages | null |
72276 | https://en.wikipedia.org/wiki/Scarabaeidae | Scarabaeidae | The family Scarabaeidae, as currently defined, consists of over 35,000 species of beetles worldwide; they are often called scarabs or scarab beetles. The classification of this family has undergone significant change. Several groups formerly treated as subfamilies have been elevated to family rank (e.g., Bolboceratidae... | Biology and health sciences | Beetles (Coleoptera) | Animals |
72325 | https://en.wikipedia.org/wiki/Decay%20energy | Decay energy | The decay energy is the energy change of a nucleus having undergone a radioactive decay. Radioactive decay is the process in which an unstable atomic nucleus loses energy by emitting ionizing particles and radiation. This decay, or loss of energy, results in an atom of one type (called the parent nuclide) transforming ... | Physical sciences | Nuclear physics | Physics |
72339 | https://en.wikipedia.org/wiki/Blackberry | Blackberry | The blackberry is an edible fruit produced by many species in the genus Rubus in the family Rosaceae, hybrids among these species within the subgenus Rubus, and hybrids between the subgenera Rubus and Idaeobatus. The taxonomy of blackberries has historically been confused because of hybridization and apomixis, so that ... | Biology and health sciences | Rosales | null |
72381 | https://en.wikipedia.org/wiki/Stag%20beetle | Stag beetle | Stag beetles comprise the family Lucanidae. It has about 1,200 species of beetles in four subfamilies. Some species grow to over , but most to about .
Overview
The English name is derived from the large and distinctive mandibles found on the males of most species, which resemble the antlers of stags.
A well-known sp... | Biology and health sciences | Beetles (Coleoptera) | Animals |
72465 | https://en.wikipedia.org/wiki/Tributary | Tributary | A tributary, or an affluent, is a stream or river that flows into a larger stream (main stem or "parent"), river, or a lake. A tributary does not flow directly into a sea or ocean. Tributaries, and the main stem river into which they flow, drain the surrounding drainage basin of its surface water and groundwater, leadi... | Physical sciences | Hydrology | Earth science |
72467 | https://en.wikipedia.org/wiki/Distributary | Distributary | A distributary, or a distributary channel is a stream channel that branches off and flows a main stream channel. It is the opposite of a tributary, a stream that flows another stream or river. Distributaries are a result of river bifurcation and are often found where a river approaches a lake or an ocean and divides ... | Physical sciences | Hydrology | Earth science |
72536 | https://en.wikipedia.org/wiki/Thermal%20conduction | Thermal conduction | Thermal conduction is the diffusion of thermal energy (heat) within one material or between materials in contact. The higher temperature object has molecules with more kinetic energy; collisions between molecules distributes this kinetic energy until an object has the same kinetic energy throughout. Thermal conductivit... | Physical sciences | Thermodynamics | Physics |
72540 | https://en.wikipedia.org/wiki/Newton%20%28unit%29 | Newton (unit) | The newton (symbol: N) is the unit of force in the International System of Units (SI). Expressed in terms of SI base units, it is 1 kg⋅m/s2, the force that accelerates a mass of one kilogram at one metre per second squared.
The unit is named after Isaac Newton in recognition of his work on classical mechanics, specifi... | Physical sciences | Energy, power, force and pressure | null |
72576 | https://en.wikipedia.org/wiki/Axial%20precession | Axial precession | In astronomy, axial precession is a gravity-induced, slow, and continuous change in the orientation of an astronomical body's rotational axis. In the absence of precession, the astronomical body's orbit would show axial parallelism. In particular, axial precession can refer to the gradual shift in the orientation of Ea... | Physical sciences | Celestial mechanics | Astronomy |
72585 | https://en.wikipedia.org/wiki/Weathering | Weathering | Weathering is the deterioration of rocks, soils and minerals (as well as wood and artificial materials) through contact with water, atmospheric gases, sunlight, and biological organisms. It occurs in situ (on-site, with little or no movement), and so is distinct from erosion, which involves the transport of rocks and ... | Physical sciences | Geomorphology | null |
72660 | https://en.wikipedia.org/wiki/Commensalism | Commensalism | Commensalism is a long-term biological interaction (symbiosis) in which members of one species gain benefits while those of the other species neither benefit nor are harmed. This is in contrast with mutualism, in which both organisms benefit from each other; amensalism, where one is harmed while the other is unaffected... | Biology and health sciences | Ecology | Biology |
72672 | https://en.wikipedia.org/wiki/Exocrine%20gland | Exocrine gland | Exocrine glands are glands that secrete substances onto an epithelial surface by way of a duct. Examples of exocrine glands include sweat, salivary, mammary, ceruminous, lacrimal, sebaceous, prostate and mucous. Exocrine glands are one of two types of glands in the human body, the other being endocrine glands, which se... | Biology and health sciences | Exocrine system | Biology |
72720 | https://en.wikipedia.org/wiki/Beaked%20whale | Beaked whale | Beaked whales (systematic name Ziphiidae) are a family of cetaceans noted as being one of the least-known groups of mammals because of their deep-sea habitat, reclusive behavior and apparent low abundance. Only three or four of the 24 existing species are reasonably well-known. Baird's beaked whales and Cuvier's beaked... | Biology and health sciences | Toothed whale | Animals |
72726 | https://en.wikipedia.org/wiki/Thrust%20fault | Thrust fault | A thrust fault is a break in the Earth's crust, across which older rocks are pushed above younger rocks.
Thrust geometry and nomenclature
Reverse faults
A thrust fault is a type of reverse fault that has a dip of 45 degrees or less.
If the angle of the fault plane is lower (often less than 15 degrees from the horizo... | Physical sciences | Geology | null |
72750 | https://en.wikipedia.org/wiki/Prosthesis | Prosthesis | In medicine, a prosthesis (: prostheses; from ), or a prosthetic implant, is an artificial device that replaces a missing body part, which may be lost through physical trauma, disease, or a condition present at birth (congenital disorder). Prostheses may restore the normal functions of the missing body part, or may pe... | Technology | Devices | null |
72754 | https://en.wikipedia.org/wiki/Organic%20farming | Organic farming | Organic farming, also known as organic agriculture or ecological farming or biological farming, is an agricultural system that emphasizes the use of naturally occurring, non-synthetic inputs such as compost manure, green manure, and bone meal and places emphasis on techniques such as crop rotation, companion planting, ... | Technology | Forms | null |
72760 | https://en.wikipedia.org/wiki/Square%20kilometre | Square kilometre | The square kilometre (square kilometer in American spelling; symbol: km2) is a multiple of the square metre, the SI unit of area or surface area.
1 km2 is equal to:
1,000,000 square metres (m2)
100 hectares (ha)
It is also approximately equal to:
0.3861 square miles
247.1 acres
Conversely:
1 m2 = 0.000001 (10−6... | Physical sciences | Area | Basics and measurement |
72764 | https://en.wikipedia.org/wiki/Claw | Claw | A claw is a curved, pointed appendage found at the end of a toe or finger in most amniotes (mammals, reptiles, birds). Some invertebrates such as beetles and spiders have somewhat similar fine, hooked structures at lower elevations that allow the spider cells of their own species the end of the leg or tarsus for grippi... | Biology and health sciences | External anatomy and regions of the body | Biology |
72821 | https://en.wikipedia.org/wiki/Turkey%20%28bird%29 | Turkey (bird) | The turkey is a large bird in the genus Meleagris, native to North America. There are two extant turkey species: the wild turkey (Meleagris gallopavo) of eastern and central North America and the ocellated turkey (Meleagris ocellata) of the Yucatán Peninsula in Mexico. Males of both turkey species have a distinctive fl... | Biology and health sciences | Galliformes | Animals |
72827 | https://en.wikipedia.org/wiki/Cauchy%27s%20integral%20formula | Cauchy's integral formula | In mathematics, Cauchy's integral formula, named after Augustin-Louis Cauchy, is a central statement in complex analysis. It expresses the fact that a holomorphic function defined on a disk is completely determined by its values on the boundary of the disk, and it provides integral formulas for all derivatives of a hol... | Mathematics | Calculus and analysis | null |
72839 | https://en.wikipedia.org/wiki/Foucault%20pendulum | Foucault pendulum | The Foucault pendulum or Foucault's pendulum is a simple device named after French physicist Léon Foucault, conceived as an experiment to demonstrate the Earth's rotation. If a long and heavy pendulum suspended from the high roof above a circular area is monitored over an extended period of time, its plane of oscillati... | Physical sciences | Earth science basics: General | Earth science |
72877 | https://en.wikipedia.org/wiki/Odometer | Odometer | An odometer or odograph is an instrument used for measuring the distance traveled by a vehicle, such as a bicycle or car. The device may be electronic, mechanical, or a combination of the two (electromechanical). The noun derives from ancient Greek , hodómetron, from , hodós ("path" or "gateway") and , métron ("measure... | Technology | Measuring instruments | null |
4350782 | https://en.wikipedia.org/wiki/Bacteroides | Bacteroides | Bacteroides is a genus of Gram-negative, obligate anaerobic bacteria. Bacteroides species are non endospore–forming bacilli, and may be either motile or nonmotile, depending on the species. The DNA base composition is 40–48% GC. Unusual in bacterial organisms, Bacteroides membranes contain sphingolipids. They also cont... | Biology and health sciences | Gram-negative bacteria | Plants |
7549995 | https://en.wikipedia.org/wiki/Elk | Elk | The elk (: elk or elks; Cervus canadensis), or wapiti, is the second largest species within the deer family, Cervidae, and one of the largest terrestrial mammals in its native range of North America and Central and East Asia. The word "elk" originally referred to the European variety of the moose, Alces alces, but was ... | Biology and health sciences | Artiodactyla | null |
3202382 | https://en.wikipedia.org/wiki/Amphiphile | Amphiphile | In chemistry, an amphiphile (), or amphipath, is a chemical compound possessing both hydrophilic (water-loving, polar) and lipophilic (fat-loving, nonpolar) properties. Such a compound is called amphiphilic or amphipathic. Amphiphilic compounds include surfactants and detergents. The phospholipid amphiphiles are the ma... | Physical sciences | Supramolecular chemistry | Chemistry |
9788168 | https://en.wikipedia.org/wiki/Leptosporangiate%20fern | Leptosporangiate fern | The Polypodiidae, commonly called leptosporangiate ferns, formerly Leptosporangiatae, are one of four subclasses of ferns, the largest of these being the largest group of living ferns, including some 11,000 species worldwide. The group has also been treated as the class Pteridopsida or Polypodiopsida, although other cl... | Biology and health sciences | Ferns | Plants |
5795594 | https://en.wikipedia.org/wiki/Rudists | Rudists | Rudists are a group of extinct box-, tube- or ring-shaped marine heterodont bivalves belonging to the order Hippuritida that arose during the Late Jurassic and became so diverse during the Cretaceous that they were major reef-building organisms in the Tethys Ocean, until their complete extinction at the close of the Cr... | Biology and health sciences | Bivalvia | Animals |
17800413 | https://en.wikipedia.org/wiki/Satellite%20navigation%20device | Satellite navigation device | A satellite navigation device or satnav device, also known as a satellite navigation receiver or satnav receiver or simply a GPS device, is a user equipment that uses satellites of the Global Positioning System (GPS) or similar global navigation satellite systems (GNSS).
A satnav device can determine the user's geograp... | Technology | Navigation | null |
14922915 | https://en.wikipedia.org/wiki/Rec.%20709 | Rec. 709 | ITU-R Recommendation 709, usually abbreviated Rec. 709, BT.709, or ITU-R 709, is a standard developed by the Radiocommunication Sector of the International Telecommunication Union (ITU-R) for image encoding and signal characteristics of high-definition television (HDTV). The standard specifies a scheme for digital enc... | Physical sciences | Basics | Physics |
14924067 | https://en.wikipedia.org/wiki/Academic%20discipline | Academic discipline | An academic discipline or academic field is a subdivision of knowledge that is taught and researched at the college or university level. Disciplines are defined (in part) and recognized by the academic journals in which research is published, and the learned societies and academic departments or faculties within colleg... | Physical sciences | Science basics | Basics and measurement |
650522 | https://en.wikipedia.org/wiki/Sickle | Sickle | A sickle, bagging hook, reaping-hook or grasshook is a single-handed agricultural tool designed with variously curved blades and typically used for harvesting or reaping grain crops, or cutting succulent forage chiefly for feeding livestock. Falx was a synonym, but was later used to mean any of a number of tools that h... | Technology | Agricultural tools | null |
650825 | https://en.wikipedia.org/wiki/Myoclonus | Myoclonus | Myoclonus is a brief, involuntary, irregular (lacking rhythm) twitching of a muscle, a joint, or a group of muscles, different from clonus, which is rhythmic or regular. Myoclonus (myo- "muscle", clonus "spasm") describes a medical sign and, generally, is not a diagnosis of a disease. It belongs to the hyperkinetic mo... | Biology and health sciences | Symptoms and signs | Health |
650918 | https://en.wikipedia.org/wiki/Electrophilic%20substitution | Electrophilic substitution | Electrophilic substitution reactions are chemical reactions in which an electrophile displaces a functional group in a compound, which is typically, but not always, aromatic. Aromatic substitution reactions are characteristic of aromatic compounds and are common ways of introducing functional groups into benzene rings.... | Physical sciences | Organic reactions | Chemistry |
650995 | https://en.wikipedia.org/wiki/Reactivity%20series | Reactivity series | In chemistry, a reactivity series (or reactivity series of elements) is an empirical, calculated, and structurally analytical progression of a series of metals, arranged by their "reactivity" from highest to lowest. It is used to summarize information about the reactions of metals with acids and water, single displacem... | Physical sciences | Electrochemistry | Chemistry |
651311 | https://en.wikipedia.org/wiki/Subdwarf | Subdwarf | A subdwarf, sometimes denoted by "sd", is a star with luminosity class VI under the Yerkes spectral classification system. They are defined as stars with luminosity 1.5 to 2 magnitudes lower than that of main-sequence stars of the same spectral type. On a Hertzsprung–Russell diagram subdwarfs appear to lie below the ma... | Physical sciences | Stellar astronomy | Astronomy |
651372 | https://en.wikipedia.org/wiki/Evaporative%20cooler | Evaporative cooler | An evaporative cooler (also known as evaporative air conditioner, swamp cooler, swamp box, desert cooler and wet air cooler) is a device that cools air through the evaporation of water. Evaporative cooling differs from other air conditioning systems, which use vapor-compression or absorption refrigeration cycles. Evapo... | Technology | Heating and cooling | null |
651752 | https://en.wikipedia.org/wiki/Scaling%20%28geometry%29 | Scaling (geometry) | In affine geometry, uniform scaling (or isotropic scaling) is a linear transformation that enlarges (increases) or shrinks (diminishes) objects by a scale factor that is the same in all directions (isotropically). The result of uniform scaling is similar (in the geometric sense) to the original. A scale factor of 1 is... | Mathematics | Geometry: General | null |
651916 | https://en.wikipedia.org/wiki/Sauropoda | Sauropoda | Sauropoda (), whose members are known as sauropods (; from sauro- + -pod, 'lizard-footed'), is a clade of saurischian ('lizard-hipped') dinosaurs. Sauropods had very long necks, long tails, small heads (relative to the rest of their body), and four thick, pillar-like legs. They are notable for the enormous sizes attain... | Biology and health sciences | Sauropods | Animals |
652517 | https://en.wikipedia.org/wiki/Bougainvillea | Bougainvillea | Bougainvillea ( , ) is a genus of thorny ornamental vines, bushes, and trees belonging to the four o' clock family, Nyctaginaceae. They are native to Brazil, Bolivia, Paraguay, Peru, and Argentina. There are between 4 and 22 species in the genus. The inflorescence consists of large colourful sepal-like bracts which su... | Biology and health sciences | Caryophyllales | Plants |
652816 | https://en.wikipedia.org/wiki/Mixing%20%28process%20engineering%29 | Mixing (process engineering) | In industrial process engineering, mixing is a unit operation that involves manipulation of a heterogeneous physical system with the intent to make it more homogeneous. Familiar examples include pumping of the water in a swimming pool to homogenize the water temperature, and the stirring of pancake batter to eliminate ... | Physical sciences | Chemical engineering | Chemistry |
653006 | https://en.wikipedia.org/wiki/Polycyclic%20aromatic%20hydrocarbon | Polycyclic aromatic hydrocarbon | A Polycyclic aromatic hydrocarbon (PAH) is a class of organic compounds that is composed of multiple aromatic rings. Most are produced by the incomplete combustion of organic matter— by engine exhaust fumes, tobacco, incinerators, in roasted meats and cereals, or when biomass burns at lower temperatures as in forest fi... | Physical sciences | Aromatic hydrocarbons | Chemistry |
653348 | https://en.wikipedia.org/wiki/Human%20musculoskeletal%20system | Human musculoskeletal system | The human musculoskeletal system (also known as the human locomotor system, and previously the activity system) is an organ system that gives humans the ability to move using their muscular and skeletal systems. The musculoskeletal system provides form, support, stability, and movement to the body.
The human musculosk... | Biology and health sciences | Human anatomy | Health |
653670 | https://en.wikipedia.org/wiki/Cockchafer | Cockchafer | The common cockchafer (Melolontha melolontha), also colloquially known as the Maybug, Maybeetle, or doodlebug, is a species of scarab beetle belonging to the genus Melolontha. It is native to Europe, and it is one of several closely-related and morphologically similar species of Melolontha called cockchafers, alongside... | Biology and health sciences | Beetles (Coleoptera) | Animals |
653750 | https://en.wikipedia.org/wiki/Wrinkle | Wrinkle | A wrinkle, also known as a rhytid, is a fold, ridge or crease in an otherwise smooth surface, such as on skin or fabric. Skin wrinkles typically appear as a result of ageing processes such as glycation, habitual sleeping positions, loss of body mass, sun damage, or temporarily, as the result of prolonged immersion in ... | Biology and health sciences | Human anatomy | Health |
654092 | https://en.wikipedia.org/wiki/Diving%20bell | Diving bell | A diving bell is a rigid chamber used to transport divers from the surface to depth and back in open water, usually for the purpose of performing underwater work. The most common types are the open-bottomed wet bell and the closed bell, which can maintain an internal pressure greater than the external ambient. Diving b... | Technology | Naval transport | null |
2323622 | https://en.wikipedia.org/wiki/Dental%20plaque | Dental plaque | Dental plaque is a biofilm of microorganisms (mostly bacteria, but also fungi) that grows on surfaces within the mouth. It is a sticky colorless deposit at first, but when it forms tartar, it is often brown or pale yellow. It is commonly found between the teeth, on the front of teeth, behind teeth, on chewing surfaces,... | Biology and health sciences | Hygiene and grooming: General | Health |
2324040 | https://en.wikipedia.org/wiki/Sperm | Sperm | Sperm (: sperm or sperms) is the male reproductive cell, or gamete, in anisogamous forms of sexual reproduction (forms in which there is a larger, female reproductive cell and a smaller, male one). Animals produce motile sperm with a tail known as a flagellum, which are known as spermatozoa, while some red algae and fu... | Biology and health sciences | Animal reproduction | null |
2325044 | https://en.wikipedia.org/wiki/Impact%20%28mechanics%29 | Impact (mechanics) | In mechanics, an impact is when two bodies collide. During this collision, both bodies decelerate. The deceleration causes a high force or shock, applied over a short time period. A high force, over a short duration, usually causes more damage to both bodies than a lower force applied over a proportionally longer dur... | Physical sciences | Classical mechanics | Physics |
2326042 | https://en.wikipedia.org/wiki/Bifurcation%20theory | Bifurcation theory | Bifurcation theory is the mathematical study of changes in the qualitative or topological structure of a given family of curves, such as the integral curves of a family of vector fields, and the solutions of a family of differential equations. Most commonly applied to the mathematical study of dynamical systems, a bifu... | Mathematics | Dynamical systems | null |
2326501 | https://en.wikipedia.org/wiki/Galeaspida | Galeaspida | Galeaspida (from Latin, 'Helmet shields') is an extinct taxon of jawless marine and freshwater fish. The name is derived from galea, the Latin word for helmet, and refers to their massive bone shield on the head. Galeaspida lived in shallow, fresh water and marine environments during the Silurian and Devonian times (43... | Biology and health sciences | Prehistoric agnathae and early chordates | Animals |
7555884 | https://en.wikipedia.org/wiki/Plant%20anatomy | Plant anatomy | Plant anatomy or phytotomy is the general term for the study of the internal structure of plants. Originally, it included plant morphology, the description of the physical form and external structure of plants, but since the mid-20th century, plant anatomy has been considered a separate field referring only to internal... | Biology and health sciences | Plant: General | null |
7556348 | https://en.wikipedia.org/wiki/Plant%20morphology | Plant morphology | Phytomorphology is the study of the physical form and external structure of plants. This is usually considered distinct from plant anatomy, which is the study of the internal structure of plants, especially at the microscopic level. Plant morphology is useful in the visual identification of plants. Recent studies in... | Biology and health sciences | Plant: General | null |
1091918 | https://en.wikipedia.org/wiki/Baryonyx | Baryonyx | Baryonyx () is a genus of theropod dinosaur which lived in the Barremian stage of the Early Cretaceous period, about 130–125 million years ago. The first skeleton was discovered in 1983 in the Smokejack Clay Pit, of Surrey, England, in sediments of the Weald Clay Formation, and became the holotype specimen of Baryonyx ... | Biology and health sciences | Theropods | Animals |
1091927 | https://en.wikipedia.org/wiki/Coelophysis | Coelophysis | Coelophysis ( traditionally; or , as heard more commonly in recent decades) is a genus of coelophysid theropod dinosaur that lived approximately 215 to 208.5 million years ago during the Late Triassic period from the middle to late Norian age in what is now the southwestern United States. Megapnosaurus was once con... | Biology and health sciences | Theropods | Animals |
1091928 | https://en.wikipedia.org/wiki/Hadrosauridae | Hadrosauridae | Hadrosaurids (), or hadrosaurs, are members of the ornithischian family Hadrosauridae. This group is known as the duck-billed dinosaurs for the flat duck-bill appearance of the bones in their snouts. The ornithopod family, which includes genera such as Edmontosaurus and Parasaurolophus, was a common group of herbivores... | Biology and health sciences | Ornitischians | Animals |
1092110 | https://en.wikipedia.org/wiki/Bulk%20modulus | Bulk modulus | The bulk modulus ( or or ) of a substance is a measure of the resistance of a substance to bulk compression. It is defined as the ratio of the infinitesimal pressure increase to the resulting relative decrease of the volume.
Other moduli describe the material's response (strain) to other kinds of stress: the shear mo... | Physical sciences | Solid mechanics | Physics |
1092359 | https://en.wikipedia.org/wiki/Cretoxyrhina | Cretoxyrhina | Cretoxyrhina (; meaning 'Cretaceous sharp-nose') is an extinct genus of large mackerel shark that lived about 107 to 73 million years ago during the late Albian to late Campanian of the Late Cretaceous. The type species, C. mantelli, is more commonly referred to as the Ginsu shark, first popularized in reference to the... | Biology and health sciences | Prehistoric chondrichthyans | Animals |
1092713 | https://en.wikipedia.org/wiki/Approximation%20theory | Approximation theory | In mathematics, approximation theory is concerned with how functions can best be approximated with simpler functions, and with quantitatively characterizing the errors introduced thereby. What is meant by best and simpler will depend on the application.
A closely related topic is the approximation of functions by gene... | Mathematics | Calculus and analysis | null |
1092939 | https://en.wikipedia.org/wiki/Toothache | Toothache | Toothaches, also known as dental pain or tooth pain, is pain in the teeth or their supporting structures, caused by dental diseases or pain referred to the teeth by non-dental diseases. When severe it may impact sleep, eating, and other daily activities.
Common causes include inflammation of the pulp, (usually in resp... | Biology and health sciences | Dentistry | null |
1093068 | https://en.wikipedia.org/wiki/Horseshoe%20crab | Horseshoe crab | Horseshoe crabs are arthropods of the family Limulidae and the only surviving xiphosurans. Despite their name, they are not true crabs or even crustaceans; they are chelicerates, more closely related to arachnids like spiders, ticks, and scorpions. The body of a horseshoe crab is divided into three main parts: the ceph... | Biology and health sciences | Chelicerata (except arachnids) | Animals |
1093073 | https://en.wikipedia.org/wiki/Xiphosura | Xiphosura | Xiphosura (; , in reference to its sword-like telson) is an order of arthropods related to arachnids. They are more commonly known as horseshoe crabs (a name applied more specifically to the only extant family, Limulidae). They first appeared in the Hirnantian (Late Ordovician). Currently, there are only four living sp... | Biology and health sciences | Chelicerata | null |
1093780 | https://en.wikipedia.org/wiki/Turbot | Turbot | The turbot (English: , French: .; Scophthalmus maximus) is a relatively large species of flatfish in the family Scophthalmidae. It is a demersal fish native to marine or brackish waters of the Northeast Atlantic, Baltic Sea and the Mediterranean Sea. It is an important food fish. Turbot in the Black Sea were often in... | Biology and health sciences | Acanthomorpha | null |
1093842 | https://en.wikipedia.org/wiki/Scutum | Scutum | The scutum (; :scuta) was a type of shield used among Italic peoples in antiquity, most notably by the army of ancient Rome starting about the fourth century BC.
The Romans adopted it when they switched from the military formation of the hoplite phalanx of the Greeks to the formation with maniples (). In the former, t... | Technology | Armour | null |
1094274 | https://en.wikipedia.org/wiki/Coelurosauria | Coelurosauria | Coelurosauria (; from Greek, meaning "hollow-tailed lizards") is the clade containing all theropod dinosaurs more closely related to birds than to carnosaurs.
Coelurosauria is a subgroup of theropod dinosaurs that includes compsognathids, tyrannosaurs, ornithomimosaurs, and maniraptorans; Maniraptora includes birds, t... | Biology and health sciences | Theropods | Animals |
1094348 | https://en.wikipedia.org/wiki/Index%20finger | Index finger | The index finger (also referred to as forefinger, first finger, second finger, pointer finger, trigger finger, digitus secundus, digitus II, and many other terms) is the second digit of a human hand. It is located between the thumb and the middle finger. It is usually the most dextrous and sensitive digit of the hand, ... | Biology and health sciences | Human anatomy | Health |
1094925 | https://en.wikipedia.org/wiki/Minibus | Minibus | A minibus, microbus, or minicoach is a passenger-carrying motor vehicle that is designed to carry more people than a multi-purpose vehicle or minivan, but fewer people than a full-size bus. In the United Kingdom, the word "minibus" is used to describe any full-sized passenger-carrying van or panel truck. Minibuses have... | Technology | Motorized road transport | null |
1094982 | https://en.wikipedia.org/wiki/Orion%27s%20Belt | Orion's Belt | Orion's Belt is an asterism in the constellation of Orion. Other names include the Belt of Orion, the Three Kings, and the Three Sisters. The belt consists of three bright and easily identifiable collinear star systems – Alnitak, Alnilam, and Mintaka – nearly equally spaced in a line, spanning an angular size of ~ (2.3... | Physical sciences | Asterism | Astronomy |
1095283 | https://en.wikipedia.org/wiki/Blood%20agent | Blood agent | A blood agent is a toxic chemical agent that affects the body by being absorbed into the blood. Blood agents are fast-acting, potentially lethal poisons that typically manifest at room temperature as volatile colorless gases with a faint odor. They are either cyanide- or arsenic-based.
Exposure
Blood agents work thr... | Technology | Weapon of mass destruction | null |
1095698 | https://en.wikipedia.org/wiki/Mill%20%28grinding%29 | Mill (grinding) | A mill is a device, often a structure, machine or kitchen appliance, that breaks solid materials into smaller pieces by grinding, crushing, or cutting. Such comminution is an important unit operation in many processes. There are many different types of mills and many types of materials processed in them. Historically, ... | Technology | Industrial machinery | null |
4361469 | https://en.wikipedia.org/wiki/Passive%20margin | Passive margin | A passive margin is the transition between oceanic and continental lithosphere that is not an active plate margin. A passive margin forms by sedimentation above an ancient rift, now marked by transitional lithosphere. Continental rifting forms new ocean basins. Eventually the continental rift forms a mid-ocean ridge an... | Physical sciences | Tectonics | Earth science |
4363193 | https://en.wikipedia.org/wiki/Samanea%20saman | Samanea saman | Samanea saman is a species of flowering tree in the pea family, Fabaceae, now in the Mimosoid clade and is native to Central and South America. It is often placed in the genus Samanea, which by yet other authors is subsumed in Albizia entirely.
Its range extends from Mexico south to Peru and Brazil, but it has been wi... | Biology and health sciences | Fabales | Plants |
3205366 | https://en.wikipedia.org/wiki/1-Propanol | 1-Propanol | 1-Propanol (also propan-1-ol, propanol, n-propyl alcohol) is a primary alcohol with the formula and sometimes represented as PrOH or n-PrOH. It is a colourless liquid and an isomer of 2-propanol. 1-Propanol is used as a solvent in the pharmaceutical industry, mainly for resins and cellulose esters, and, sometimes, as ... | Physical sciences | Alcohols | Chemistry |
3206060 | https://en.wikipedia.org/wiki/Syntax%20%28programming%20languages%29 | Syntax (programming languages) | In computer science, the syntax of a computer language is the rules that define the combinations of symbols that are considered to be correctly structured statements or expressions in that language. This applies both to programming languages, where the document represents source code, and to markup languages, where the... | Technology | Programming languages | null |
379609 | https://en.wikipedia.org/wiki/Vaquita | Vaquita | The vaquita ( ; Phocoena sinus) is a species of porpoise endemic to the northern end of the Gulf of California in Baja California, Mexico. Reaching a maximum body length of (females) or (males), it is the smallest of all living cetaceans.
The species is currently on the brink of extinction, and is listed as Critic... | Biology and health sciences | Toothed whale | Animals |
379788 | https://en.wikipedia.org/wiki/Pomelo | Pomelo | The pomelo ( ; Citrus maxima), also known as a shaddock, is the largest citrus fruit. It is an ancestor of several cultivated citrus species, including the bitter orange and the grapefruit. It is a natural, non-hybrid, citrus fruit, native to Southeast Asia. Similar in taste to a sweet grapefruit, the pomelo is commonl... | Biology and health sciences | Citrus fruits | Plants |
379803 | https://en.wikipedia.org/wiki/Clock%20generator | Clock generator | A clock generator is an electronic oscillator that produces a clock signal for use in synchronizing a circuit's operation. The output clock signal can range from a simple symmetrical square wave to more complex arrangements. The basic parts that all clock generators share are a resonant circuit and an amplifier.
The r... | Technology | Functional circuits | null |
379828 | https://en.wikipedia.org/wiki/Cyanosis | Cyanosis | Cyanosis is the change of body tissue color to a bluish-purple hue, as a result of decrease in the amount of oxygen bound to the hemoglobin in the red blood cells of the capillary bed. Cyanosis is apparent usually in the body tissues covered with thin skin, including the mucous membranes, lips, nail beds, and ear lobe... | Biology and health sciences | Symptoms and signs | Health |
379845 | https://en.wikipedia.org/wiki/Inflection%20point | Inflection point | In differential calculus and differential geometry, an inflection point, point of inflection, flex, or inflection (rarely inflexion) is a point on a smooth plane curve at which the curvature changes sign. In particular, in the case of the graph of a function, it is a point where the function changes from being concave ... | Mathematics | Functions: General | null |
379868 | https://en.wikipedia.org/wiki/Linear%20differential%20equation | Linear differential equation | In mathematics, a linear differential equation is a differential equation that is defined by a linear polynomial in the unknown function and its derivatives, that is an equation of the form
where and are arbitrary differentiable functions that do not need to be linear, and are the successive derivatives of an unkn... | Mathematics | Differential equations | null |
379985 | https://en.wikipedia.org/wiki/Dall%27s%20porpoise | Dall's porpoise | Dall's porpoise (Phocoenoides dalli) is a species of porpoise endemic to the North Pacific. It is the largest of porpoises and the only member of the genus Phocoenoides. The species is named after American naturalist W. H. Dall.
Taxonomy
Dall's porpoise is the only member of the genus Phocoenoides. The dalli and truei... | Biology and health sciences | Toothed whale | Animals |
380114 | https://en.wikipedia.org/wiki/Pontoon%20bridge | Pontoon bridge | A pontoon bridge (or ponton bridge), also known as a floating bridge, uses floats or shallow-draft boats to support a continuous deck for pedestrian and vehicle travel. The buoyancy of the supports limits the maximum load that they can carry.
Most pontoon bridges are temporary and used in wartime and civil emergencies... | Technology | Transport infrastructure | null |
380541 | https://en.wikipedia.org/wiki/Skeletal%20muscle | Skeletal muscle | Skeletal muscle (commonly referred to as muscle) is one of the three types of vertebrate muscle tissue, the others being cardiac muscle and smooth muscle. They are part of the voluntary muscular system and typically are attached by tendons to bones of a skeleton. The skeletal muscle cells are much longer than in the ot... | Biology and health sciences | Biology | null |
380781 | https://en.wikipedia.org/wiki/Common%20raven | Common raven | The common raven or northern raven (Corvus corax) is a large all-black passerine bird. It is the most widely distributed of all corvids, found across the Northern Hemisphere. There are 11 accepted subspecies with little variation in appearance, although recent research has demonstrated significant genetic differences a... | Biology and health sciences | Corvoidea | null |
381132 | https://en.wikipedia.org/wiki/Mara%20%28mammal%29 | Mara (mammal) | Maras, subfamily Dolichotinae, are a group of rodents in the family Caviidae. These large relatives of guinea pigs are common in the Patagonian steppes of Argentina, but also live in Paraguay and elsewhere in South America. There are two extant species, the Patagonian mara of the genus Dolichotis and the Chacoan mara o... | Biology and health sciences | Rodents | Animals |
381186 | https://en.wikipedia.org/wiki/Reflex | Reflex | In biology, a reflex, or reflex action, is an involuntary, unplanned sequence or action and nearly instantaneous response to a stimulus.
Reflexes are found with varying levels of complexity in organisms with a nervous system. A reflex occurs via neural pathways in the nervous system called reflex arcs. A stimulus init... | Biology and health sciences | Medical procedures | null |
381325 | https://en.wikipedia.org/wiki/Sedan%20%28automobile%29 | Sedan (automobile) | A sedan or saloon (British English) is a passenger car in a three-box configuration with separate compartments for an engine, passengers, and cargo. The first recorded use of sedan in reference to an automobile body occurred in 1912. The name derives from the 17th-century litter known as a sedan chair, a one-person enc... | Technology | Motorized road transport | null |
381399 | https://en.wikipedia.org/wiki/Hydroelectricity | Hydroelectricity | Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies 15% of the world's electricity, almost 4,210 TWh in 2023, which is more than all other renewable sources combined and also more than nuclear power. Hydropower can provide large amounts of low-carbon ele... | Technology | Energy and fuel | null |
381805 | https://en.wikipedia.org/wiki/Franck%E2%80%93Hertz%20experiment | Franck–Hertz experiment | The Franck–Hertz experiment was the first electrical measurement to clearly show the quantum nature of atoms. It was presented on April 24, 1914, to the German Physical Society in a paper by James Franck and Gustav Hertz. Franck and Hertz had designed a vacuum tube for studying energetic electrons that flew through a t... | Physical sciences | Atomic physics | Physics |
382187 | https://en.wikipedia.org/wiki/Macroscopic%20scale | Macroscopic scale | The macroscopic scale is the length scale on which objects or phenomena are large enough to be visible with the naked eye, without magnifying optical instruments. It is the opposite of microscopic.
Overview
When applied to physical phenomena and bodies, the macroscopic scale describes things as a person can directly ... | Physical sciences | Physics basics: General | Physics |
382344 | https://en.wikipedia.org/wiki/Agkistrodon%20piscivorus | Agkistrodon piscivorus | Agkistrodon piscivorus is a species of venomous snake, a pit viper in the subfamily Crotalinae of the family Viperidae. It is one of the world's few semiaquatic vipers (along with the Florida cottonmouth), and is native to the Southeastern United States. As an adult, it is large and capable of delivering a painful and ... | Biology and health sciences | Reptiles | null |
382507 | https://en.wikipedia.org/wiki/Office | Office | An office is a space where the employees of an organization perform administrative work in order to support and realize the various goals of the organization. The word "office" may also denote a position within an organization with specific duties attached to it (see officer or official); the latter is an earlier usage... | Technology | Commercial buildings | null |
1665281 | https://en.wikipedia.org/wiki/Analogue%20electronics | Analogue electronics | Analogue electronics () are electronic systems with a continuously variable signal, in contrast to digital electronics where signals usually take only two levels. The term analogue describes the proportional relationship between a signal and a voltage or current that represents the signal. The word analogue is derived ... | Technology | Electronics: General | null |
1665333 | https://en.wikipedia.org/wiki/Abyssal%20zone | Abyssal zone | The abyssal zone or abyssopelagic zone is a layer of the pelagic zone of the ocean. The word abyss comes from the Greek word (), meaning "bottomless". At depths of , this zone remains in perpetual darkness. It covers 83% of the total area of the ocean and 60% of Earth's surface. The abyssal zone has temperatures aroun... | Physical sciences | Oceanography | Earth science |
1667490 | https://en.wikipedia.org/wiki/Asteroid%20mining | Asteroid mining | Asteroid mining is the hypothetical extraction of materials from asteroids and other minor planets, including near-Earth objects.
Notable asteroid mining challenges include the high cost of spaceflight, unreliable identification of asteroids which are suitable for mining, and the challenges of extracting usable materi... | Technology | Basics_6 | null |
1670234 | https://en.wikipedia.org/wiki/Pachycephalosaurus | Pachycephalosaurus | Pachycephalosaurus (; meaning "thick-headed lizard", from Greek pachys-/ "thickness", kephalon/ "head" and sauros/ "lizard") is a genus of pachycephalosaurid ornithischian dinosaur. The type species, P. wyomingensis, is the only known species, but some researchers argue that Stygimoloch might be a second species, P. sp... | Biology and health sciences | Ornitischians | Animals |
9097185 | https://en.wikipedia.org/wiki/Technetium-99m | Technetium-99m | Technetium-99m (99mTc) is a metastable nuclear isomer of technetium-99 (itself an isotope of technetium), symbolized as 99mTc, that is used in tens of millions of medical diagnostic procedures annually, making it the most commonly used medical radioisotope in the world.
Technetium-99m is used as a radioactive tracer a... | Physical sciences | Group 7 | Chemistry |
9104734 | https://en.wikipedia.org/wiki/Surgeon | Surgeon | In medicine, a surgeon is a medical doctor who performs surgery. Even though there are different traditions in different times and places, a modern surgeon is a licensed physician and received the same medical training as physicians before specializing in surgery.
In some countries and jurisdictions, the title of ... | Biology and health sciences | Health professionals | Health |
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