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The Chernobyl disaster began on 26 April 1986 with the explosion of the No. 4 reactor of the Chernobyl Nuclear Power Plant near the city of Pripyat in...

The tomato (/təmeɪtoʊ/ or /təmɑːtoʊ/) is the edible berry of the plant Solanum lycopersicum, commonly known as the tomato plant. The species originated...

The Boeing CH-47 Chinook is a tandem-rotor helicopter originally developed by American rotorcraft company Vertol and now manufactured by Boeing Defense...

The donkey is a domesticated equine. It derives from the African wild ass, Equus africanus, and may be classified either as a subspecies thereof, Equus...

Virtual reality (VR) is a simulated experience that employs 3D near-eye displays and pose tracking to give the user an immersive feel of a virtual world...

Columbidae (/kəˈlʌmbɪdiː/ kə-LUM-bih-dee) is a bird family consisting of doves and pigeons. It is the only family in the order Columbiformes. These are...

The history of the Internet has its origin in the efforts of scientists and engineers to build and interconnect computer networks. The Internet Protocol...

An electric battery is a source of electric power consisting of one or more electrochemical cells with external connections for powering electrical devices...

Neurology (from Greek: νεῦρον (neûron), "string, nerve" and the suffix -logia, "study of") is the branch of medicine dealing with the diagnosis and treatment...

Measles is a highly contagious, vaccine-preventable infectious disease caused by measles virus. Symptoms usually develop 10–12 days after exposure to an...

A rainbow is an optical phenomenon caused by refraction, internal reflection and dispersion of light in water droplets resulting in a continuous spectrum...

Game theory is the study of mathematical models of strategic interactions. It has applications in many fields of social science, used extensively in economics...

The white-tailed deer (Odocoileus virginianus), also known commonly as the whitetail and the Virginia deer, is a medium-sized species of deer native to...

An airport is an aerodrome with extended facilities, mostly for commercial air transport. Airports usually consist of a landing area, which comprises an...

Heating, ventilation, and air conditioning (HVAC) is the use of various technologies to control the temperature, humidity, and purity of the air in an...

Typhus, also known as typhus fever, is a group of infectious diseases that include epidemic typhus, scrub typhus, and murine typhus. Common symptoms include...

The MacBook Pro is a line of Mac laptop computers developed and manufactured by Apple. Introduced in January 2006, it is the high-end sibling of the MacBook...

The Ford F-Series is a series of light-duty trucks marketed and manufactured by Ford Motor Company since the 1948 model year. The F-Series is marketed...

A lymph node, or lymph gland, is a kidney-shaped organ of the lymphatic system and the adaptive immune system. A large number of lymph nodes are linked...

Cuckoos are birds in the Cuculidae /kjuːˈkjuːlɪdiː/ family, the sole taxon in the order Cuculiformes /kjuːˈkjuːlɪfɔːrmiːz/. The cuckoo family includes...