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Gold is a chemical element; it has symbol Au (from Latin aurum) and atomic number 79. In its pure form, it is a bright, slightly orange-yellow, dense,...

Cannabis, also known as marijuana or weed, among other names, is a non-chemically uniform drug from the cannabis plant. Native to Central or South Asia...

2 (two) is a number, numeral and digit. It is the natural number following 1 and preceding 3. It is the smallest and the only even prime number. Because...

Emphysema is any air-filled enlargement in the body's tissues. Most commonly emphysema refers to the permanent enlargement of air spaces (alveoli) in the...

Gabapentin, sold under the brand name Neurontin among others, is an anticonvulsant medication primarily used to treat partial seizures and neuropathic...

Prostitution is the business or practice of engaging in sexual activity in exchange for payment. The definition of "sexual activity" varies, and is often...

A search engine is a software system that provides hyperlinks to web pages and other relevant information on the Web in response to a user's query. The...

Angelman syndrome (AS) is a genetic disorder that mainly affects the nervous system. Symptoms include a small head and a specific facial appearance, severe...

Time is the continued sequence of existence and events that occurs in an apparently irreversible succession from the past, through the present, and into...

Social science is one of the branches of science, devoted to the study of societies and the relationships among individuals within those societies. The...

Health has a variety of definitions, which have been used for different purposes over time. In general, it refers to physical and emotional wellbeing,...

A lithium-ion or Li-ion battery is a type of rechargeable battery that uses the reversible intercalation of Li+ ions into electronically conducting solids...

Airbus SE (/ˈɛərbʌs/ AIR-buss; French: [ɛʁbys] ; German: [ˈɛːɐ̯bʊs] ; Spanish: [ˈejɾβus]) is a European multinational aerospace corporation. The company's...

Deutsche Lufthansa AG (German pronunciation: [ˌdɔʏtʃə ˈlʊfthanzaː ʔaːˈɡeː] ), or simply Lufthansa, is the flag carrier of Germany. When combined with its...

Tungsten (also called wolfram) is a chemical element; it has symbol W and atomic number 74. It is a rare metal found naturally on Earth almost exclusively...

The Space Shuttle is a retired, partially reusable low Earth orbital spacecraft system operated from 1981 to 2011 by the U.S. National Aeronautics and...

Chevrolet (/ˌʃɛvrəˈleɪ/ SHEV-rə-LAY), colloquially referred to as Chevy, is an American automobile division of the manufacturer General Motors (GM). Louis...

In vitro fertilisation (IVF) is a process of fertilisation where an egg is combined with sperm in vitro ("in glass"). The process involves monitoring and...

Wernher Magnus Maximilian Freiherr von Braun (US: /ˌvɜːrnər vɒn ˈbraʊn/ VUR-nər von BROWN, German: [ˌvɛʁnheːɐ̯ fɔn ˈbʁaʊ̯n]; 23 March 1912 – 16 June 1977)...

Steel is an alloy of iron and carbon with improved strength and fracture resistance compared to other forms of iron. Because of its high tensile strength...