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88945 | https://en.wikipedia.org/wiki/Square%20mile | Square mile | The square mile (abbreviated as sq mi and sometimes as mi2) is an imperial and US unit of measure for area. One square mile is equal to the area of a square with each side measuring a length of one mile.
Equivalents
One square mile is equal to:
4,014,489,600 square inches
One square mile is also equivalent to:
Simi... | Physical sciences | Area | Basics and measurement |
88988 | https://en.wikipedia.org/wiki/Anosmia | Anosmia | Anosmia, also known as smell blindness, is the loss of the ability to detect one or more smells. Anosmia may be temporary or permanent. It differs from hyposmia, which is a decreased sensitivity to some or all smells.
Anosmia can be categorized into acquired anosmia and congenital anosmia. Acquired anosmia develops la... | Biology and health sciences | Symptoms and signs | Health |
89074 | https://en.wikipedia.org/wiki/K%C4%81k%C4%81p%C5%8D | Kākāpō | The kākāpō (; : ; Strigops habroptilus), sometimes known as the owl parrot or owl-faced parrot, is a species of large, nocturnal, ground-dwelling parrot of the superfamily Strigopoidea. It is endemic to New Zealand.
Kākāpō can be up to long. They have a combination of unique traits among parrots: finely blotched yel... | Biology and health sciences | Psittaciformes | Animals |
89195 | https://en.wikipedia.org/wiki/Acetaldehyde | Acetaldehyde | Acetaldehyde (IUPAC systematic name ethanal) is an organic chemical compound with the formula , sometimes abbreviated as . It is a colorless liquid or gas, boiling near room temperature. It is one of the most important aldehydes, occurring widely in nature and being produced on a large scale in industry. Acetaldehyde o... | Physical sciences | Aldehydes and ketones | Chemistry |
89202 | https://en.wikipedia.org/wiki/Quilt | Quilt | A quilt is a multi-layered textile, traditionally composed of two or more layers of fabric or fiber. Commonly three layers are used with a filler material. These layers traditionally include a woven cloth top, a layer of batting or wadding, and a woven back combined using the techniques of quilting. This is the process... | Technology | Other techniques | null |
89246 | https://en.wikipedia.org/wiki/Curve | Curve | In mathematics, a curve (also called a curved line in older texts) is an object similar to a line, but that does not have to be straight.
Intuitively, a curve may be thought of as the trace left by a moving point. This is the definition that appeared more than 2000 years ago in Euclid's Elements: "The [curved] line is... | Mathematics | Geometry | null |
89251 | https://en.wikipedia.org/wiki/Sweet%20corn | Sweet corn | Sweet corn (Zea mays convar. saccharata var. rugosa), also called sweetcorn, sugar corn and pole corn, is a variety of maize grown for human consumption with a high sugar content. Sweet corn is the result of a naturally occurring recessive mutation in the genes which control conversion of sugar to starch inside the end... | Biology and health sciences | Grains | Plants |
89260 | https://en.wikipedia.org/wiki/Boeing%20777 | Boeing 777 | The Boeing 777, commonly referred to as the Triple Seven, is an American long-range wide-body airliner developed and manufactured by Boeing Commercial Airplanes. The 777 is the world's largest twinjet and the most-built wide-body airliner.
The jetliner was designed to bridge the gap between Boeing's other wide body ai... | Technology | Specific aircraft_2 | null |
89303 | https://en.wikipedia.org/wiki/Lace | Lace | Lace is a delicate fabric made of yarn or thread in an open weblike pattern, made by machine or by hand. Generally, lace is split into two main categories, needlelace and bobbin lace, although there are other types of lace, such as knitted or crocheted lace. Other laces such as these are considered as a category of the... | Technology | Fabrics and fibers | null |
89367 | https://en.wikipedia.org/wiki/Emmer | Emmer | Emmer is a hybrid species of wheat, producing edible seeds that have been used as food since ancient times. The domesticated types are Triticum turgidum subsp. dicoccum and T. t. conv. durum. The wild plant is called T. t. subsp. dicoccoides. The seeds have an awned covering, the sharp spikes helping the seeds to becom... | Biology and health sciences | Grains | Plants |
89425 | https://en.wikipedia.org/wiki/Arrow%27s%20impossibility%20theorem | Arrow's impossibility theorem | Arrow's impossibility theorem is a key result in social choice theory, showing that no ranking-based decision rule can satisfy the requirements of rational choice theory. Most notably, Arrow showed that no such rule can satisfy all of a certain set of seemingly simple and reasonable conditions that include independence... | Mathematics | Game theory | null |
89480 | https://en.wikipedia.org/wiki/Flywheel | Flywheel | A flywheel is a mechanical device that uses the conservation of angular momentum to store rotational energy, a form of kinetic energy proportional to the product of its moment of inertia and the square of its rotational speed. In particular, assuming the flywheel's moment of inertia is constant (i.e., a flywheel with f... | Technology | Rigid components | null |
89489 | https://en.wikipedia.org/wiki/Inequality%20%28mathematics%29 | Inequality (mathematics) | In mathematics, an inequality is a relation which makes a non-equal comparison between two numbers or other mathematical expressions. It is used most often to compare two numbers on the number line by their size. The main types of inequality are less than (<) and greater than (>).
Notation
There are several different ... | Mathematics | Algebra | null |
89529 | https://en.wikipedia.org/wiki/Wallaby | Wallaby | A wallaby () is a small or middle-sized macropod native to Australia and New Guinea, with introduced populations in New Zealand, Hawaii, the United Kingdom and other countries. They belong to the same taxonomic family as kangaroos and sometimes the same genus, but kangaroos are specifically categorised into the four l... | Biology and health sciences | Diprotodontia | Animals |
89547 | https://en.wikipedia.org/wiki/Water%20vapor | Water vapor | Water vapor, water vapour or aqueous vapor is the gaseous phase of water. It is one state of water within the hydrosphere. Water vapor can be produced from the evaporation or boiling of liquid water or from the sublimation of ice. Water vapor is transparent, like most constituents of the atmosphere. Under typical atmos... | Physical sciences | Inorganic compounds | null |
89732 | https://en.wikipedia.org/wiki/Antikythera%20mechanism | Antikythera mechanism | The Antikythera mechanism ( , ) is an Ancient Greek hand-powered orrery (model of the Solar System). It is the oldest known example of an analogue computer. It could be used to predict astronomical positions and eclipses decades in advance. It could also be used to track the four-year cycle of athletic games similar t... | Technology | Early computers | null |
89792 | https://en.wikipedia.org/wiki/Mitochondrial%20Eve | Mitochondrial Eve | In human genetics, the Mitochondrial Eve (more technically known as the Mitochondrial-Most Recent Common Ancestor, shortened to mt-Eve or mt-MRCA) is the matrilineal most recent common ancestor (MRCA) of all living humans. In other words, she is defined as the most recent woman from whom all living humans descend in an... | Biology and health sciences | Homo | Biology |
89796 | https://en.wikipedia.org/wiki/Mitochondrial%20DNA | Mitochondrial DNA | Mitochondrial DNA (mtDNA and mDNA) is the DNA located in the mitochondria organelles in a eukaryotic cell that converts chemical energy from food into adenosine triphosphate (ATP). Mitochondrial DNA is a small portion of the DNA contained in a eukaryotic cell; most of the DNA is in the cell nucleus, and, in plants and ... | Biology and health sciences | Organelles | Biology |
89830 | https://en.wikipedia.org/wiki/Seismic%20wave | Seismic wave | A seismic wave is a mechanical wave of acoustic energy that travels through the Earth or another planetary body. It can result from an earthquake (or generally, a quake), volcanic eruption, magma movement, a large landslide and a large man-made explosion that produces low-frequency acoustic energy. Seismic waves are st... | Physical sciences | Seismology | Earth science |
89847 | https://en.wikipedia.org/wiki/IPod | IPod | The iPod is a discontinued series of portable media players and multi-purpose mobile devices that were designed and marketed by Apple Inc. from 2001 to 2022. The first version was released on November 10, 2001, about months after the Macintosh version of iTunes was released. Apple sold an estimated 450 million iPod pr... | Technology | Specific hardware | null |
89997 | https://en.wikipedia.org/wiki/Bytecode | Bytecode | Bytecode (also called portable code or p-code) is a form of instruction set designed for efficient execution by a software interpreter. Unlike human-readable source code, bytecodes are compact numeric codes, constants, and references (normally numeric addresses) that encode the result of compiler parsing and performing... | Technology | Software development: General | null |
90117 | https://en.wikipedia.org/wiki/Ring%20Nebula | Ring Nebula | The Ring Nebula (also catalogued as Messier 57, M57 and NGC 6720) is a planetary nebula in the northern constellation of Lyra. Such a nebula is formed when a star, during the last stages of its evolution before becoming a white dwarf, expels a vast luminous envelope of ionized gas into the surrounding interstellar spac... | Physical sciences | Notable nebulae | null |
90446 | https://en.wikipedia.org/wiki/Equality%20%28mathematics%29 | Equality (mathematics) | In mathematics, equality is a relationship between two quantities or expressions, stating that they have the same value, or represent the same mathematical object. Equality between and is written , and pronounced " equals ". In this equality, and are distinguished by calling them left-hand side (LHS), and right-han... | Mathematics | Other algebra topics | null |
90655 | https://en.wikipedia.org/wiki/Throat | Throat | In vertebrate anatomy, the throat is the front part of the neck, internally positioned in front of the vertebrae. It contains the pharynx and larynx. An important section of it is the epiglottis, separating the esophagus from the trachea (windpipe), preventing food and drinks being inhaled into the lungs. The throat co... | Biology and health sciences | Gastrointestinal tract | Biology |
90815 | https://en.wikipedia.org/wiki/Military%20technology | Military technology | Military technology is the application of technology for use in warfare. It comprises the kinds of technology that are distinctly military in nature and not civilian in application, usually because they lack useful or legal civilian applications, or are dangerous to use without appropriate military training.
The line ... | Technology | Military technology: General | null |
1728510 | https://en.wikipedia.org/wiki/Permanganate | Permanganate | A permanganate () is a chemical compound with the manganate(VII) ion, , the conjugate base of permanganic acid. Because the manganese atom has a +7 oxidation state, the permanganate(VII) ion is a strong oxidising agent. The ion is a transition metal ion with a tetrahedral structure. Permanganate solutions are purple in... | Physical sciences | Metallic oxyanions | Chemistry |
1728672 | https://en.wikipedia.org/wiki/Human%20impact%20on%20the%20environment | Human impact on the environment | Human impact on the environment (or anthropogenic environmental impact) refers to changes to biophysical environments and to ecosystems, biodiversity, and natural resources caused directly or indirectly by humans. Modifying the environment to fit the needs of society (as in the built environment) is causing severe effe... | Physical sciences | Earth science basics: General | Earth science |
1729337 | https://en.wikipedia.org/wiki/Planckian%20locus | Planckian locus | In physics and color science, the Planckian locus or black body locus is the path or locus that the color of an incandescent black body would take in a particular chromaticity space as the blackbody temperature changes. It goes from deep red at low temperatures through orange, yellowish, white, and finally bluish whit... | Physical sciences | Thermodynamics | Physics |
1729542 | https://en.wikipedia.org/wiki/Neural%20network%20%28biology%29 | Neural network (biology) | A neural network, also called a neuronal network, is an interconnected population of neurons (typically containing multiple neural circuits). Biological neural networks are studied to understand the organization and functioning of nervous systems.
Closely related are artificial neural networks, machine learning models... | Biology and health sciences | Biology basics | Biology |
1730534 | https://en.wikipedia.org/wiki/September%20equinox | September equinox | The September equinox (or southward equinox) is the moment when the Sun appears to cross the celestial equator, heading southward. Because of differences between the calendar year and the tropical year, the September equinox may occur from September 21 to 24.
At the equinox, the Sun as viewed from the equator rises du... | Physical sciences | Celestial sphere: General | Astronomy |
1730537 | https://en.wikipedia.org/wiki/March%20equinox | March equinox | The March equinox or northward equinox is the equinox on the Earth when the subsolar point appears to leave the Southern Hemisphere and cross the celestial equator, heading northward as seen from Earth. The March equinox is known as the vernal equinox (spring equinox) in the Northern Hemisphere and as the autumnal equi... | Physical sciences | Celestial sphere: General | Astronomy |
1730553 | https://en.wikipedia.org/wiki/Milliradian | Milliradian | A milliradian (SI-symbol mrad, sometimes also abbreviated mil) is an SI derived unit for angular measurement which is defined as a thousandth of a radian (0.001 radian). Milliradians are used in adjustment of firearm sights by adjusting the angle of the sight compared to the barrel (up, down, left, or right). Milliradi... | Physical sciences | Angle | Basics and measurement |
1731484 | https://en.wikipedia.org/wiki/Amusia | Amusia | Amusia is a musical disorder that appears mainly as a defect in processing pitch but also encompasses musical memory and recognition. Two main classifications of amusia exist: acquired amusia, which occurs as a result of brain damage, and congenital amusia, which results from a music-processing anomaly present since bi... | Biology and health sciences | Disabilities | Health |
1731616 | https://en.wikipedia.org/wiki/Rotary%20cannon | Rotary cannon | A rotary cannon, rotary autocannon, rotary gun or Gatling cannon, is any large-caliber multiple-barreled automatic firearm that uses a Gatling-type rotating barrel assembly to deliver a sustained saturational direct fire at much greater rates of fire than single-barreled autocannons of the same caliber. The loading, fi... | Technology | Firearms | null |
16861908 | https://en.wikipedia.org/wiki/Paper | Paper | Paper is a thin sheet material produced by mechanically or chemically processing cellulose fibres derived from wood, rags, grasses, herbivore dung, or other vegetable sources in water. Once the water is drained through a fine mesh leaving the fibre evenly distributed on the surface, it can be pressed and dried.
The p... | Technology | Materials | null |
16862071 | https://en.wikipedia.org/wiki/Pipe%20flow | Pipe flow | In fluid mechanics, pipe flow is a type of fluid flow within a closed conduit, such as a pipe, duct or tube. It is also called as Internal flow. The other type of flow within a conduit is open channel flow. These two types of flow are similar in many ways, but differ in one important aspect. Pipe flow does not have a f... | Physical sciences | Fluid mechanics | Physics |
16866635 | https://en.wikipedia.org/wiki/Evolution%20of%20fungi | Evolution of fungi | Fungi diverged from other life around 1.5 billion years ago, with the glomaleans branching from the "higher fungi" (dikaryans) at ~, according to DNA analysis. (Schüssler et al., 2001; Tehler et al., 2000) Fungi probably colonized the land during the Cambrian, over , (Taylor & Osborn, 1996), and possibly 635 million ye... | Biology and health sciences | Basics_4 | Biology |
3303072 | https://en.wikipedia.org/wiki/String%20%28physics%29 | String (physics) | In physics, a string is a physical entity postulated in string theory and related subjects. Unlike elementary particles, which are zero-dimensional or point-like by definition, strings are one-dimensional extended entities. Researchers often have an interest in string theories because theories in which the fundamental ... | Physical sciences | Particle physics: General | Physics |
3304705 | https://en.wikipedia.org/wiki/HPV%20vaccine | HPV vaccine | Human papillomavirus (HPV) vaccines are vaccines intended to provide acquired immunity against infection by certain types of human papillomavirus (HPV). The first HPV vaccine became available in 2006. Currently there are six licensed HPV vaccines: three bivalent (protect against two types of HPV), two quadrivalent (aga... | Biology and health sciences | Vaccines | Health |
11469677 | https://en.wikipedia.org/wiki/Intensive%20animal%20farming | Intensive animal farming | Intensive animal farming, industrial livestock production, and macro-farms, also known as factory farming, is a type of intensive agriculture, specifically an approach to animal husbandry designed to maximize production while minimizing costs. To achieve this, agribusinesses keep livestock such as cattle, poultry, and... | Technology | Agriculture_2 | null |
12421431 | https://en.wikipedia.org/wiki/Oriental%20pied%20hornbill | Oriental pied hornbill | The oriental pied hornbill (Anthracoceros albirostris) is an Indo-Malayan pied hornbill, a large canopy-dwelling bird belonging to the family Bucerotidae. Two other common names for this species are Sunda pied hornbill (convexus) and Malaysian pied hornbill.
The oriental pied hornbill is considered to be among the sma... | Biology and health sciences | Coraciiformes | Animals |
409825 | https://en.wikipedia.org/wiki/Troodontidae | Troodontidae | Troodontidae is a clade of bird-like theropod dinosaurs from the Late Jurassic to Late Cretaceous. During most of the 20th century, troodontid fossils were few and incomplete and they have therefore been allied, at various times, with many dinosaurian lineages. More recent fossil discoveries of complete and articulate... | Biology and health sciences | Theropods | Animals |
409951 | https://en.wikipedia.org/wiki/Isothermal%20process | Isothermal process | An isothermal process is a type of thermodynamic process in which the temperature T of a system remains constant: ΔT = 0. This typically occurs when a system is in contact with an outside thermal reservoir, and a change in the system occurs slowly enough to allow the system to be continuously adjusted to the temperatur... | Physical sciences | Thermodynamics | Physics |
410009 | https://en.wikipedia.org/wiki/Rotation%20%28mathematics%29 | Rotation (mathematics) | Rotation in mathematics is a concept originating in geometry. Any rotation is a motion of a certain space that preserves at least one point. It can describe, for example, the motion of a rigid body around a fixed point. Rotation can have a sign (as in the sign of an angle): a clockwise rotation is a negative magnitude ... | Mathematics | Geometry: General | null |
410401 | https://en.wikipedia.org/wiki/Cramp | Cramp | A cramp is a sudden, involuntary, painful skeletal muscle contraction or overshortening associated with electrical activity; while generally temporary and non-damaging, they can cause significant pain and a paralysis-like immobility of the affected muscle. A cramp usually goes away on its own over a period of several s... | Biology and health sciences | Symptoms and signs | Health |
410530 | https://en.wikipedia.org/wiki/Sanitary%20sewer | Sanitary sewer | A sanitary sewer is an underground pipe or tunnel system for transporting sewage from houses and commercial buildings (but not stormwater) to a sewage treatment plant or disposal.
Sanitary sewers are a type of gravity sewer and are part of an overall system called a "sewage system" or sewerage. Sanitary sewers serving... | Technology | Food, water and health | null |
410663 | https://en.wikipedia.org/wiki/Whip | Whip | A whip is a blunt weapon or implement used in a striking motion to create sound or pain. Whips can be used for flagellation against humans or animals to exert control through pain compliance or fear of pain, or be used as an audible cue through the distinct whipcrack effect. The portion used for striking is generally e... | Technology | Melee weapons | null |
410720 | https://en.wikipedia.org/wiki/Brussels%20sprout | Brussels sprout | The Brussels sprout is a member of the Gemmifera cultivar group of cabbages (Brassica oleracea), grown for its edible buds.
Etymology
Though native to the Mediterranean region with other cabbage species, Brussels sprouts first appeared in northern Europe during the 5th century; they were later cultivated in the 13th c... | Biology and health sciences | Leafy vegetables | Plants |
410768 | https://en.wikipedia.org/wiki/Sea-Monkeys | Sea-Monkeys | Sea-Monkeys is a marketing term for brine shrimp (Artemia) sold as novelty aquarium pets. Developed in the United States in 1957 by Harold von Braunhut, they are sold as eggs intended to be added to water, and most often come bundled in a kit of three pouches and instructions. Sometimes a small tank and additional pouc... | Biology and health sciences | Crustaceans | Animals |
410778 | https://en.wikipedia.org/wiki/Micromachinery | Micromachinery | Micromachines are mechanical objects that are fabricated in the same general manner as integrated circuits. They are generally considered to be between 100 nanometres to 100 micrometres in size, although that is debatable. The applications of micromachines include accelerometers that detect when a car has hit an object... | Technology | Machinery and tools: General | null |
410783 | https://en.wikipedia.org/wiki/Cover%20crop | Cover crop | In agriculture, cover crops are plants that are planted to cover the soil rather than for the purpose of being harvested. Cover crops manage soil erosion, soil fertility, soil quality, water, weeds, pests, diseases, biodiversity and wildlife in an agroecosysteman ecological system managed and shaped by humans. Cover cr... | Technology | Soil and soil management | null |
410923 | https://en.wikipedia.org/wiki/Neutron%20radiation | Neutron radiation | Neutron radiation is a form of ionizing radiation that presents as free neutrons. Typical phenomena are nuclear fission or nuclear fusion causing the release of free neutrons, which then react with nuclei of other atoms to form new nuclides—which, in turn, may trigger further neutron radiation. Free neutrons are unst... | Physical sciences | Nuclear physics | Physics |
411018 | https://en.wikipedia.org/wiki/Hepatitis%20E | Hepatitis E | Hepatitis E is inflammation of the liver caused by infection with the hepatitis E virus (HEV); it is a type of viral hepatitis. Hepatitis E has mainly a fecal-oral transmission route that is similar to hepatitis A, although the viruses are unrelated. HEV is a positive-sense, single-stranded, nonenveloped, RNA icosahedr... | Biology and health sciences | Viral diseases | Health |
411021 | https://en.wikipedia.org/wiki/Chlamydia%20trachomatis | Chlamydia trachomatis | Chlamydia trachomatis () is a Gram-negative, anaerobic bacterium responsible for chlamydia and trachoma. C. trachomatis exists in two forms, an extracellular infectious elementary body (EB) and an intracellular non-infectious reticulate body (RB). The EB attaches to host cells and enter the cell using effector proteins... | Biology and health sciences | Gram-negative bacteria | Plants |
411065 | https://en.wikipedia.org/wiki/Elapidae | Elapidae | Elapidae (, commonly known as elapids , from , variant of "sea-fish") is a family of snakes characterized by their permanently erect fangs at the front of the mouth. Most elapids are venomous, with the exception of the genus Emydocephalus. Many members of this family exhibit a threat display of rearing upwards while... | Biology and health sciences | Snakes | Animals |
411174 | https://en.wikipedia.org/wiki/Brine%20shrimp | Brine shrimp | Artemia is a genus of aquatic crustaceans also known as brine shrimp or sea monkeys. It is the only genus in the family Artemiidae. The first historical record of the existence of Artemia dates back to the first half of the 10th century AD from Lake Urmia, Iran, with an example called by an Iranian geographer an "aquat... | Biology and health sciences | Crustaceans | Animals |
411441 | https://en.wikipedia.org/wiki/Brayton%20cycle | Brayton cycle | The Brayton cycle, also known as the Joule cycle, is a thermodynamic cycle that describes the operation of certain heat engines that have air or some other gas as their working fluid.
It is characterized by isentropic compression and expansion, and isobaric heat addition and rejection, though practical engines have ad... | Physical sciences | Thermodynamics | Physics |
411673 | https://en.wikipedia.org/wiki/Candida%20albicans | Candida albicans | Candida albicans is an opportunistic pathogenic yeast that is a common member of the human gut flora. It can also survive outside the human body. It is detected in the gastrointestinal tract and mouth in 40–60% of healthy adults. It is usually a commensal organism, but it can become pathogenic in immunocompromised indi... | Biology and health sciences | Basics | Plants |
411727 | https://en.wikipedia.org/wiki/Toilet%20seat | Toilet seat | A toilet seat is a hinged unit consisting of a round or oval open seat, and usually a lid, which is bolted onto the bowl of a toilet used in a sitting position (as opposed to a squat toilet). The seat can be either for a flush toilet or a dry toilet. A toilet seat consists of the seat itself, which may be contoured for... | Technology | Hydraulics and pneumatics | null |
411782 | https://en.wikipedia.org/wiki/Staining | Staining | Staining is a technique used to enhance contrast in samples, generally at the microscopic level. Stains and dyes are frequently used in histology (microscopic study of biological tissues), in cytology (microscopic study of cells), and in the medical fields of histopathology, hematology, and cytopathology that focus on ... | Biology and health sciences | Basics_3 | Biology |
411795 | https://en.wikipedia.org/wiki/Soil%20type | Soil type | A soil type is a taxonomic unit in soil science. All soils that share a certain set of well-defined properties form a distinctive soil type. Soil type is a technical term of soil classification, the science that deals with the systematic categorization of soils. Every soil of the world belongs to a certain soil type. ... | Physical sciences | Soil science | Earth science |
411851 | https://en.wikipedia.org/wiki/Sexual%20dysfunction | Sexual dysfunction | Sexual dysfunction is difficulty experienced by an individual or partners during any stage of normal sexual activity, including physical pleasure, desire, preference, arousal, or orgasm. The World Health Organization defines sexual dysfunction as a "person's inability to participate in a sexual relationship as they wou... | Biology and health sciences | Specific diseases | Health |
411879 | https://en.wikipedia.org/wiki/Dysmenorrhea | Dysmenorrhea | Dysmenorrhea, also known as period pain, painful periods or menstrual cramps, is pain during menstruation. Its usual onset occurs around the time that menstruation begins. Symptoms typically last less than three days. The pain is usually in the pelvis or lower abdomen. Other symptoms may include back pain, diarrhea or ... | Biology and health sciences | Specific diseases | Health |
411951 | https://en.wikipedia.org/wiki/Human%20biology | Human biology | Human biology is an interdisciplinary area of academic study that examines humans through the influences and interplay of many diverse fields such as genetics, evolution, physiology, anatomy, epidemiology, anthropology, ecology, nutrition, population genetics, and sociocultural influences. It is closely related to the ... | Biology and health sciences | Biology basics | Biology |
411991 | https://en.wikipedia.org/wiki/Giardiasis | Giardiasis | Giardiasis is a parasitic disease caused by Giardia duodenalis (also known as G. lamblia and G. intestinalis). Infected individuals who experience symptoms (about 10% have no symptoms) may have diarrhea, abdominal pain, and weight loss. Less common symptoms include vomiting and blood in the stool. Symptoms usually begi... | Biology and health sciences | Protozoan infections | Health |
412096 | https://en.wikipedia.org/wiki/Diphenhydramine | Diphenhydramine | Diphenhydramine, sold under the brand name Benadryl among others, is an antihistamine and sedative. It is a first-generation H1-antihistamine and it works by blocking certain effects of histamine, which produces its antihistamine and sedative effects. Diphenhydramine is also a potent anticholinergic. It is mainly used ... | Biology and health sciences | Antihistamines | Health |
2409948 | https://en.wikipedia.org/wiki/Namma%20Metro | Namma Metro | (), also known as Bengaluru Metro, is a rapid transit system serving the city of Bengaluru, the capital city of the state of Karnataka, India. It is the second-longest operational metro network in India with an operational length of 76.95 kilometers, just behind Delhi Metro. Upon its inauguration in 2011, it became the... | Technology | India | null |
2410184 | https://en.wikipedia.org/wiki/Tau%20neutrino | Tau neutrino | The tau neutrino or tauon neutrino is an elementary particle which has the symbol and zero electric charge. Together with the tau (), it forms the third generation of leptons, hence the name tau neutrino. Its existence was immediately implied after the tau particle was detected in a series of experiments between 1974 ... | Physical sciences | Fermions | Physics |
2410571 | https://en.wikipedia.org/wiki/Kepler%20problem | Kepler problem | In classical mechanics, the Kepler problem is a special case of the two-body problem, in which the two bodies interact by a central force that varies in strength as the inverse square of the distance between them. The force may be either attractive or repulsive. The problem is to find the position or speed of the two... | Physical sciences | Classical mechanics | Physics |
2410595 | https://en.wikipedia.org/wiki/Tigecycline | Tigecycline | Tigecycline, sold under the brand name Tygacil, is a tetracycline antibiotic medication for a number of bacterial infections. It is a glycylcycline class drug that is administered intravenously. It was developed in response to the growing rate of antibiotic resistant bacteria such as Staphylococcus aureus, Acinetobact... | Biology and health sciences | Antibiotics | Health |
2411002 | https://en.wikipedia.org/wiki/Controlled-access%20highway | Controlled-access highway | A controlled-access highway is a type of highway that has been designed for high-speed vehicular traffic, with all traffic flow—ingress and egress—regulated. Common English terms are freeway, motorway, and expressway. Other similar terms include throughway or thruway and parkway. Some of these may be limited-access hig... | Technology | Road transport | null |
2413401 | https://en.wikipedia.org/wiki/Dissociative%20disorder | Dissociative disorder | Dissociative disorders (DDs) are a range of conditions characterized by significant disruptions or fragmentation "in the normal integration of consciousness, memory, identity, emotion, perception, body representation, motor control, and behavior." Dissociative disorders involve involuntary dissociation as an unconsciou... | Biology and health sciences | Mental disorders | Health |
4478594 | https://en.wikipedia.org/wiki/Trapezium%20Cluster | Trapezium Cluster | The Trapezium or Orion Trapezium Cluster, also known by its Bayer designation of Theta1 Orionis (θ1 Orionis), is a tight open cluster of stars in the heart of the Orion Nebula, in the constellation of Orion. It was discovered by Galileo Galilei. On 4 February 1617 he sketched three of the stars (A, C and D), but missed... | Physical sciences | Notable star clusters | Astronomy |
4479734 | https://en.wikipedia.org/wiki/Lake%20ecosystem | Lake ecosystem | A lake ecosystem or lacustrine ecosystem includes biotic (living) plants, animals and micro-organisms, as well as abiotic (non-living) physical and chemical interactions. Lake ecosystems are a prime example of lentic ecosystems (lentic refers to stationary or relatively still freshwater, from the Latin lentus, which m... | Physical sciences | Hydrology | Earth science |
4480666 | https://en.wikipedia.org/wiki/Ceramic%20engineering | Ceramic engineering | Ceramic engineering is the science and technology of creating objects from inorganic, non-metallic materials. This is done either by the action of heat, or at lower temperatures using precipitation reactions from high-purity chemical solutions. The term includes the purification of raw materials, the study and producti... | Technology | Disciplines | null |
24944 | https://en.wikipedia.org/wiki/Plate%20tectonics | Plate tectonics | Plate tectonics (, ) is the scientific theory that Earth's lithosphere comprises a number of large tectonic plates, which have been slowly moving since 3–4 billion years ago. The model builds on the concept of , an idea developed during the first decades of the 20th century. Plate tectonics came to be accepted by geosc... | Physical sciences | Earth science | null |
24975 | https://en.wikipedia.org/wiki/Piezoelectricity | Piezoelectricity | Piezoelectricity (, ) is the electric charge that accumulates in certain solid materials—such as crystals, certain ceramics, and biological matter such as bone, DNA, and various proteins—in response to applied mechanical stress. The word piezoelectricity means electricity resulting from pressure and latent heat. It is ... | Physical sciences | Solid mechanics | Physics |
24977 | https://en.wikipedia.org/wiki/Product%20%28mathematics%29 | Product (mathematics) | In mathematics, a product is the result of multiplication, or an expression that identifies objects (numbers or variables) to be multiplied, called factors. For example, 21 is the product of 3 and 7 (the result of multiplication), and is the product of and (indicating that the two factors should be multiplied togeth... | Mathematics | Basics | null |
24981 | https://en.wikipedia.org/wiki/Pioneer%2011 | Pioneer 11 | Pioneer 11 (also known as Pioneer G) is a NASA robotic space probe launched on April 5, 1973, to study the asteroid belt, the environment around Jupiter and Saturn, the solar wind, and cosmic rays. It was the first probe to encounter Saturn, the second to fly through the asteroid belt, and the second to fly by Jupiter.... | Technology | Unmanned spacecraft | null |
24989 | https://en.wikipedia.org/wiki/Pendulum%20clock | Pendulum clock | A pendulum clock is a clock that uses a pendulum, a swinging weight, as its timekeeping element. The advantage of a pendulum for timekeeping is that it is an approximate harmonic oscillator: It swings back and forth in a precise time interval dependent on its length, and resists swinging at other rates. From its invent... | Technology | Clocks | null |
25005 | https://en.wikipedia.org/wiki/Peano%20axioms | Peano axioms | In mathematical logic, the Peano axioms (, ), also known as the Dedekind–Peano axioms or the Peano postulates, are axioms for the natural numbers presented by the 19th-century Italian mathematician Giuseppe Peano. These axioms have been used nearly unchanged in a number of metamathematical investigations, including res... | Mathematics | Axiomatic systems | null |
25006 | https://en.wikipedia.org/wiki/Procyon | Procyon | Procyon () is the brightest star in the constellation of Canis Minor and usually the eighth-brightest star in the night sky, with an apparent visual magnitude of 0.34. It has the Bayer designation α Canis Minoris, which is Latinized to Alpha Canis Minoris, and abbreviated α CMi or Alpha CMi, respectively. As determined... | Physical sciences | Notable stars | null |
25010 | https://en.wikipedia.org/wiki/Proton%E2%80%93proton%20chain | Proton–proton chain | The proton–proton chain, also commonly referred to as the chain, is one of two known sets of nuclear fusion reactions by which stars convert hydrogen to helium. It dominates in stars with masses less than or equal to that of the Sun, whereas the CNO cycle, the other known reaction, is suggested by theoretical models t... | Physical sciences | Stellar astronomy | Astronomy |
25011 | https://en.wikipedia.org/wiki/Plankton | Plankton | Plankton are the diverse collection of organisms that drift in water (or air) but are unable to actively propel themselves against currents (or wind). The individual organisms constituting plankton are called plankters. In the ocean, they provide a crucial source of food to many small and large aquatic organisms, such ... | Biology and health sciences | Other organisms | null |
25030 | https://en.wikipedia.org/wiki/Plain%20text | Plain text | In computing, plain text is a loose term for data (e.g. file contents) that represent only characters of readable material but not its graphical representation nor other objects (floating-point numbers, images, etc.). It may also include a limited number of "whitespace" characters that affect simple arrangement of text... | Technology | Data storage and memory | null |
25040 | https://en.wikipedia.org/wiki/Pioneer%20program | Pioneer program | The Pioneer programs were two series of United States lunar and planetary space probes. The first program, which ran from 1958 to 1960, unsuccessfully attempted to send spacecraft to orbit the Moon, successfully sent one spacecraft to fly by the Moon, and successfully sent one spacecraft to investigate interplanetary s... | Technology | Unmanned spacecraft | null |
25065 | https://en.wikipedia.org/wiki/Parameter | Parameter | A parameter (), generally, is any characteristic that can help in defining or classifying a particular system (meaning an event, project, object, situation, etc.). That is, a parameter is an element of a system that is useful, or critical, when identifying the system, or when evaluating its performance, status, conditi... | Mathematics | Functions: General | null |
25073 | https://en.wikipedia.org/wiki/Polyatomic%20ion | Polyatomic ion | A polyatomic ion (also known as a molecular ion) is a covalent bonded set of two or more atoms, or of a metal complex, that can be considered to behave as a single unit and that has a net charge that is not zero. The term molecule may or may not be used to refer to a polyatomic ion, depending on the definition used. Th... | Physical sciences | Bonding | Chemistry |
25096 | https://en.wikipedia.org/wiki/Peripheral%20nervous%20system | Peripheral nervous system | The peripheral nervous system (PNS) is one of two components that make up the nervous system of bilateral animals, with the other part being the central nervous system (CNS). The PNS consists of nerves and ganglia, which lie outside the brain and the spinal cord. The main function of the PNS is to connect the CNS to t... | Biology and health sciences | Nervous system | null |
25098 | https://en.wikipedia.org/wiki/Phase%20velocity | Phase velocity | The phase velocity of a wave is the rate at which the wave propagates in any medium. This is the velocity at which the phase of any one frequency component of the wave travels. For such a component, any given phase of the wave (for example, the crest) will appear to travel at the phase velocity. The phase velocity is g... | Physical sciences | Waves | Physics |
25107 | https://en.wikipedia.org/wiki/Polio | Polio | Poliomyelitis ( ), commonly shortened to polio, is an infectious disease caused by the poliovirus. Approximately 75% of cases are asymptomatic; mild symptoms which can occur include sore throat and fever; in a proportion of cases more severe symptoms develop such as headache, neck stiffness, and paresthesia. These symp... | Biology and health sciences | Infectious disease | null |
25120 | https://en.wikipedia.org/wiki/Polar%20coordinate%20system | Polar coordinate system | In mathematics, the polar coordinate system specifies a given point in a plane by using a distance and an angle as its two coordinates. These are
the point's distance from a reference point called the pole, and
the point's direction from the pole relative to the direction of the polar axis, a ray drawn from the pole.
... | Mathematics | Geometry | null |
25126 | https://en.wikipedia.org/wiki/Postage%20stamp | Postage stamp | A postage stamp is a small piece of paper issued by a post office, postal administration, or other authorized vendors to customers who pay postage (the cost involved in moving, insuring, or registering mail). Then the stamp is affixed to the face or address-side of any item of mail—an envelope or other postal cover (e.... | Technology | Media and communication | null |
25130 | https://en.wikipedia.org/wiki/Ponte%20Vecchio | Ponte Vecchio | The Ponte Vecchio (; "Old Bridge") is a medieval stone closed-spandrel segmental arch bridge over the Arno, in Florence, Italy. The only bridge in Florence spared from destruction during World War II, it is noted for the shops built along it; building shops on such bridges was once a common practice. Butchers, tanners,... | Technology | Bridges | null |
25142 | https://en.wikipedia.org/wiki/Sus%20%28genus%29 | Sus (genus) | Sus () is the genus of domestic and wild pigs, within the even-toed ungulate family Suidae. Sus include domestic pigs (Sus domesticus) and their ancestor, the common Eurasian wild boar (Sus scrofa), along with various other species. Sus species, like all suids, are native to the Eurasian and African continents, ranging... | Biology and health sciences | Artiodactyla | null |
25175 | https://en.wikipedia.org/wiki/Quadratic%20equation | Quadratic equation | In mathematics, a quadratic equation () is an equation that can be rearranged in standard form as
where the variable represents an unknown number, and , , and represent known numbers, where . (If and then the equation is linear, not quadratic.) The numbers , , and are the coefficients of the equation and may be d... | Mathematics | Algebra | null |
25179 | https://en.wikipedia.org/wiki/Quark | Quark | A quark () is a type of elementary particle and a fundamental constituent of matter. Quarks combine to form composite particles called hadrons, the most stable of which are protons and neutrons, the components of atomic nuclei. All commonly observable matter is composed of up quarks, down quarks and electrons. Owing to... | Physical sciences | Fermions | null |
25182 | https://en.wikipedia.org/wiki/Quantization%20%28physics%29 | Quantization (physics) | Quantization (in British English quantisation) is the systematic transition procedure from a classical understanding of physical phenomena to a newer understanding known as quantum mechanics. It is a procedure for constructing quantum mechanics from classical mechanics. A generalization involving infinite degrees o... | Physical sciences | Quantum mechanics | Physics |
25198 | https://en.wikipedia.org/wiki/Quaternary | Quaternary | The Quaternary ( ) is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS), as well as the current and most recent of the twelve periods of the Phanerozoic eon. It follows the Neogene Period and spans from 2.58 million year... | Physical sciences | Geological periods | null |
25202 | https://en.wikipedia.org/wiki/Quantum%20mechanics | Quantum mechanics | Quantum mechanics is a fundamental theory that describes the behavior of nature at and below the scale of atoms. It is the foundation of all quantum physics, which includes quantum chemistry, quantum field theory, quantum technology, and quantum information science.
Quantum mechanics can describe many systems that cla... | Physical sciences | Physics | null |
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