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Pernicious anemia is a disease where not enough red blood cells are produced due to a deficiency of vitamin B12. Those affected often have a gradual onset...

In the physical sciences, a partition coefficient (P) or distribution coefficient (D) is the ratio of concentrations of a compound in a mixture of two...

Sodium dodecyl sulfate (SDS) or sodium lauryl sulfate (SLS), sometimes written sodium laurilsulfate, is an organic compound with the formula CH3(CH2)11OSO3Na...

In pharmacology, potency or biological potency is a measure of a drug's biological activity expressed in terms of the dose required to produce a pharmacological...

A divisibility rule is a shorthand and useful way of determining whether a given integer is divisible by a fixed divisor without performing the division...

Universal Windows Platform (UWP) apps (formerly named Windows Store apps, Metro-style apps and Modern apps) are applications that can be used across all...

Bad luck is an unpredictable outcome that is unfortunate. This is a list of signs believed to bring bad luck according to superstitions. Breaking a mirror...

Dynamic systems development method (DSDM) is an agile project delivery framework, initially used as a software development method. First released in 1994...

Famciclovir is a guanosine analogue antiviral drug used for the treatment of various herpesvirus infections, most commonly for herpes zoster (shingles)...

Dave Winer (born May 2, 1955, in Queens, New York City) is an American software developer, entrepreneur, and writer who resides in New York City.[self-published...

Plasticine is a putty-like modelling material made from calcium salts, petroleum jelly and aliphatic acids. Though originally a brand name for the British...

Meldonium (INN; trade name Mildronate, among others) is a limited-market pharmaceutical, developed in 1970 by Ivars Kalviņš at the USSR Latvia Institute...

Normalization process theory (NPT) is a sociological theory, generally used in the fields of science and technology studies (STS), implementation research...

This is a list of plant species that, when consumed by humans, are known or suspected to produce psychoactive effects: changes in nervous system function...

There are two primary categories of virtual reality (VR) headsets: Standalone – devices that have all necessary components to provide virtual reality experiences...

The International Council for the Exploration of the Sea (ICES; French: Conseil International de l'Exploration de la Mer, CIEM) is a regional fishery advisory...

In organic chemistry, ethoxylation is a chemical reaction in which ethylene oxide (C2H4O) adds to a substrate. It is the most widely practiced alkoxylation...

In organometallic chemistry, f-block metallocenes are a class of sandwich compounds consisting of an f-block metal and a set of electron-rich ligands such...

Berta Isabel Cáceres Flores (Spanish pronunciation: [ˈbeɾtajsaˈβel ˈkaseɾes ˈfloɾes]; 4 March 1971 – 3 March 2016) was a Honduran (Lenca) environmental...

The Quasiturbine or Qurbine engine is a proposed pistonless rotary engine using a rhomboidal rotor whose sides are hinged at the vertices. The volume enclosed...