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A wiki (/ˈwɪki/ WI-kee) is a form of online hypertext publication that is collaboratively edited and managed by its own audience directly through a web...

Psychopathy, or psychopathic personality is a personality construct characterized by impaired empathy and remorse, and bold, disinhibited, and egocentric...

In physics, electromagnetic radiation (EMR) consists of waves of the electromagnetic (EM) field, which propagate through space and carry momentum and electromagnetic...

Peer-to-peer (P2P) computing or networking is a distributed application architecture that partitions tasks or workloads between peers. Peers are equally...

Dodge is an American brand of automobiles and a division of Stellantis North America, based in Auburn Hills, Michigan. Dodge vehicles have historically...

The at sign, @, is an accounting and invoice abbreviation meaning "at a rate of" (e.g. 7 widgets @ £2 per widget = £14), now seen more widely in email...

The Deepwater Horizon oil spill (also referred to as the "BP oil spill") was an environmental disaster which began on 20 April 2010, off the coast of the...

In October 1973, the Organization of Arab Petroleum Exporting Countries (OAPEC) announced that it was implementing a total oil embargo against the countries...

An aneurysm is an outward bulging, likened to a bubble or balloon, caused by a localized, abnormal, weak spot on a blood vessel wall. Aneurysms may be...

Sexual penetration is the insertion of a body part or other object into a body orifice, such as the mouth, vagina or anus, as part of human sexual activity...

A pearl is a hard, glistening object produced within the soft tissue (specifically the mantle) of a living shelled mollusk or another animal, such as fossil...

Polystyrene (PS) /ˌpɒliˈstaɪriːn/ is a synthetic polymer made from monomers of the aromatic hydrocarbon styrene. Polystyrene can be solid or foamed. General-purpose...

According to the International Astronomical Union (IAU), a minor planet is an astronomical object in direct orbit around the Sun that is exclusively classified...

In the field of optics, transparency (also called pellucidity or diaphaneity) is the physical property of allowing light to pass through the material without...

A septic tank is an underground chamber made of concrete, fiberglass, or plastic through which domestic wastewater (sewage) flows for basic sewage treatment...

Soekarno–Hatta International Airport (Indonesian: Bandar Udara Internasional Soekarno–Hatta) (IATA: CGK, ICAO: WIII), abbreviated SHIA or Soetta, formerly...

A natural disaster is a sudden event that causes widespread destruction, major collateral damage, or loss of life, brought about by forces other than the...

Allium is a genus of monocotyledonous flowering plants with hundreds of species, including the cultivated onion, garlic, scallion, shallot, leek, and chives...

0° A prime meridian is an arbitrarily-chosen meridian (a line of longitude) in a geographic coordinate system at which longitude is defined to be 0°. Together...

Cushing's syndrome is a collection of signs and symptoms due to prolonged exposure to glucocorticoids such as cortisol. Signs and symptoms may include...