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An operating system (OS) is system software that manages computer hardware and software resources, and provides common services for computer programs....

A year is the time taken for astronomical objects to complete one orbit. For example, a year on Earth is the time taken for Earth to revolve around the...

Opioids are a class of drugs that derive from, or mimic, natural substances found in the opium poppy plant. Opioids work in the brain to produce a variety...

The Global System for Mobile Communications (GSM) is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the...

Synthetic cannabinoids are a class of designer drug molecules that bind to the same receptors to which cannabinoids (THC, CBD and many others) in cannabis...

Smoking is a practice in which a substance is combusted and the resulting smoke is typically inhaled to be tasted and absorbed into the bloodstream of...

The Nissan Skyline GT-R (Japanese: 日産・スカイラインGT-R, Hepburn: Nissan Sukairain GT-R) is a Japanese sports car based on the Nissan Skyline range. The first...

The amniotic fluid is the protective liquid contained by the amniotic sac of a gravid amniote. This fluid serves as a cushion for the growing fetus, but...

The leopard cat (Prionailurus bengalensis) is a small wild cat native to continental South, Southeast, and East Asia. Since 2002 it has been listed as...

The Spanish Air and Space Force (SASF) (Spanish: Ejército del Aire y del Espacio, lit. 'Army of the Air and Space') is the aerial and space warfare branch...

A hangar is a building or structure designed to hold aircraft or spacecraft. Hangars are built of metal, wood, or concrete. The word hangar comes from...

WHOIS (pronounced as the phrase "who is") is a query and response protocol that is used for querying databases that store an Internet resource's registered...

Erythema (from Greek erythros 'red') is redness of the skin or mucous membranes, caused by hyperemia (increased blood flow) in superficial capillaries...

A Usenet newsgroup is a repository usually within the Usenet system, for messages posted from users in different locations using the Internet. They are...

Ciguatera fish poisoning (CFP), also known as ciguatera, is a foodborne illness caused by eating reef fish contaminated with ciguatoxins. Such individual...

Mac OS X Leopard (version 10.5) is the sixth major release of macOS, Apple's desktop and server operating system for Macintosh computers. Leopard was released...

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...

Advanced Television Systems Committee (ATSC) standards are an International set of standards for broadcast and digital television transmission over terrestrial...

The Late Pleistocene to the beginning of the Holocene saw numerous extinctions of predominantly megafaunal (typically defined as having body masses over...

Fly-by-wire (FBW) is a system that replaces the conventional manual flight controls of an aircraft with an electronic interface. The movements of flight...