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The Boeing 737 Next Generation, commonly abbreviated as 737NG, or 737 Next Gen, is a twin-engine narrow-body aircraft produced by Boeing Commercial Airplanes...

Emotions are physical and mental states brought on by neurophysiological changes, variously associated with thoughts, feelings, behavioral responses, and...

Hydrogen sulfide is a chemical compound with the formula H2S. It is a colorless chalcogen-hydride gas, and is poisonous, corrosive, and flammable, with...

The International Air Transport Association (IATA /aɪˈɑːtə/) is a trade association of the world's airlines founded in 1945. IATA has been described as...

The chronology of the universe describes the history and future of the universe according to Big Bang cosmology. Research published in 2015 estimates the...

Vim (/vɪm/ ; vi improved) is a free and open-source, screen-based text editor program. It is an improved clone of Bill Joy's vi. Vim's author, Bram Moolenaar...

Anonymity describes situations where the acting person's identity is unknown. Some writers have argued that namelessness, though technically correct, does...

Google Play Services is a proprietary software package produced by Google for installation on Android devices. It consists of background services and libraries...

A travel class is a quality of accommodation on public transport. The accommodation could be a seat or a cabin for example. Higher travel classes are designed...

This article documents the chronology and epidemiology of SARS-CoV-2 in January 2020, the virus which causes the coronavirus disease 2019 (COVID-19) and...

A nurse practitioner (NP) is an advanced practice registered nurse and a type of mid-level practitioner. NPs are trained to assess patient needs, order...

Windows Media Center (WMC) is a digital video recorder and media player created by Microsoft. Media Center was first introduced to Windows in 2002 on Windows...

Hypochlorous acid is an inorganic compound with the chemical formula ClOH, also written as HClO, HOCl, or ClHO. Its structure is H−O−Cl. It is an acid...

4-Methylthioamphetamine (4-MTA) is a designer drug of the substituted amphetamine class developed in the 1990s by a team led by David E. Nichols, an American...

Many notable human fatalities have resulted from aviation accidents and incidents. Those killed as part of a sporting, political or musical group who flew...

SPIE (formerly the Society of Photographic Instrumentation Engineers, later the Society of Photo-Optical Instrumentation Engineers) is an international...

A plastic bottle is a bottle constructed from high-density or low density plastic. Plastic bottles are typically used to store liquids such as water, soft...

Iron supplements, also known as iron salts and iron pills, are a number of iron formulations used to treat and prevent iron deficiency including iron deficiency...

Hypoxia-inducible factor prolyl hydroxylase 2 (HIF-PH2), or prolyl hydroxylase domain-containing protein 2 (PHD2), is an enzyme encoded by the EGLN1 gene...

Randall Patrick Munroe (born October 17, 1984) is an American cartoonist, author, and engineer best known as the creator of the webcomic xkcd. Munroe has...