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Heroin, also known as diacetylmorphine and diamorphine among other names, is a morphinan opioid substance synthesized from the dried latex of the Papaver...

The following are examples of orders of magnitude for different lengths. To help compare different orders of magnitude, the following list describes various...

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. Types of friction...

Parsing, syntax analysis, or syntactic analysis is the process of analyzing a string of symbols, either in natural language, computer languages or data...

A generic drug (or simply generic) is a pharmaceutical drug that contains the same chemical substance as a drug that was originally protected by chemical...

Network neutrality, often referred to as net neutrality, is the principle that Internet service providers (ISPs) must treat all Internet communications...

A geomagnetic storm, also known as a magnetic storm, is a temporary disturbance of the Earth's magnetosphere caused by a solar wind shock wave. The disturbance...

Traffic lights, traffic signals, or stoplights – also known as robots in South Africa and Namibia – are signaling devices positioned at road intersections...

A prior probability distribution of an uncertain quantity, often simply called the prior, is its assumed probability distribution before some evidence...

A dendritic cell (DC) is an antigen-presenting cell (also known as an accessory cell) of the mammalian immune system. A DC's main function is to process...

In statistics, the k-nearest neighbors algorithm (k-NN) is a non-parametric supervised learning method first developed by Evelyn Fix and Joseph Hodges...

The Subaru Forester (Japanese: スバル・フォレスター, Hepburn: Subaru Foresutā) is a compact crossover SUV that has been manufactured by Subaru since 1997. The first...

Mannitol is a type of sugar alcohol used as a sweetener and medication. It is used as a low calorie sweetener as it is poorly absorbed by the intestines...

Computational science, also known as scientific computing, technical computing or scientific computation (SC), is a division of science that uses advanced...

Tacrolimus, sold under the brand name Prograf among others, is an immunosuppressive drug. After allogenic organ transplant, the risk of organ rejection...

Secrecy is the practice of hiding information from certain individuals or groups who do not have the "need to know", perhaps while sharing it with other...

An erogenous zone (from Greek ἔρως, érōs "love"; and English -genous "producing", from Greek -γενής, -genḗs "born") is an area of the human body that has...

Corn smut is a plant disease caused by the pathogenic fungus Ustilago maydis. One of several cereal crop pathogens called smut, the fungus forms galls...

Cadherin-1 or Epithelial cadherin (E-cadherin), (not to be confused with the APC/C activator protein CDH1) is a protein that in humans is encoded by the...

The Toyota Tercel (Japanese: トヨタ・ターセル, Toyota Tāseru) is a subcompact car manufactured by Toyota from 1978 until 1999 across five generations, in five...