An article is a word that is used with a noun. There are two kinds of articles: definite articles and indefinite articles. In English, there is just one...

Amphibian Species of the World 6.1: An Online Reference (ASW) is a database of amphibian science. It lists the names of frogs, salamanders and other amphibians...

While every published book must have an ISBN, this certificate is not available for all books. For which books can an International Book Publishing Certificate...

An unincorporated area is land that is not part of a town, city, or anything like a town. Often, there are not many people there. Often, unincorporated...

Neustadt an der Waldnaab is a Landkreis (district) in Bavaria, Germany. The district is located in the mountains of the Upper Palatine Forest. "Gemeinden...

Brandenburg an der Havel (German pronunciation: [ˈbʁandn̩bʊʁk ʔan deːɐ̯ ˈhaːfl̩] (listen)) (Upper Sorbian: Branibor, Low German: Brannenborg an de Havel)...

An International Standard Serial Number (ISSN) is an eight-digit number used to identify a print or electronic periodical publication. The ISSN system...

"say" an and en are pronounced like the "on" in "wrong" outside of Quebec and like the "en" in prominent, though not if there are two n letters or an e directly...

An album is a collection of sound recordings. It is usually made by a musician, and is sold in stores. Albums were originally a collection of gramophone...

one given the most promotion, and heard more often in the media) is called an A-side, while any other song on the single is called a B-side. The pairing...

In politics, an Independent is someone who is not a member of any political party. Independents can have a centrist opinion on what they want to do when...

An earthquake is when Earth's tectonic plates shake and move Earth's surface. Strong earthquakes damage buildings. Disturbances in the Earth cause earthquakes...

in-hospital mortality rate all patients ages). Most of the time, pneumonia is an infectious disease that can be caused by bacteria, viruses, fungi or parasites...

well as runtime libraries. The programming language Java is an example of Software Platform. An example for a hardware platform is SPARC. Cross-platform...

An urban area is an area where many people live and work close together. The population density is higher than in the surrounding area. It is where buildings...

Forrester Church (born 1948), an American minister, son of Senator Frank Church Francis Pharcellus Church (1839–1906), an American writer (famous for the...

An operating system (OS) is a kind of computer program that helps a computer to interact with other machines or with people. An OS is not actually one...

An author is a person who makes an original piece of work. Most people use author to mean writer. While a writer is a type of author, authors often do...

An artist is a person who creates art. This word is used most often for person and activities of 'high culture'. That is for example drawing, painting...

electrical energy, like sea water is a transmission medium for wave energy. An item which allows electricity to move through it is called a conductor. Copper...

cold winters). The warmest months must have an average greater than 10° C and the coldest months must have an average of less than 0 or -3° C. Group E is...

it is said to be "inscribed" on the list. The entry on the list is called an Inscription. Until the end of 2004, there were six criteria for cultural heritage...

Mülheim an der Ruhr (Low German and Low Franconian: Mölm, Ripuarian: Müllem) is a city in the German state of North Rhine-Westphalia, belonging to the...

1749. From this, the sense of "a part played by an actor" developed. Character, mainly when played by an actor in the theatre or cinema, involves "the illusion...

Opera is a drama set to music. An opera is like a play in which everything is sung instead of spoken. Operas are usually performed in opera houses. The...

Excellency is an honorific style that is given to members of a certain organization or state, usually a president or governor. Once a person gets the title...

move to a musical rhythm. They may be alone, or in a group. The dance may be an informal play, a part of a ritual, or a part of a professional performance...

An atom is an extremely small piece of matter. All normal matter – everything that has mass – is made of atoms. This includes solids, liquids, and gases...

Halle (also called Halle an der Saale) is the largest town in the German state of Saxony-Anhalt. It lies in the southern part of the state, on the river...

Bias means that a person prefers an idea and possibly does not give equal chance to a different idea. Bias can be influenced by a number of factors, such...

An election is a way people can choose their candidate or their preferences in a representative democracy or other form of government. Most democratic...

side instead of the top. Volcanoes are found on planets other than Earth. An example is Olympus Mons on Mars. Volcanologists are scientists who study volcanoes...

meanings: In many languages, especially those coming from Latin, it can stand for an administrative division, see municipality. In the Mass of many Christian groups...

with a drum stick or mallet. An electric drum kit is essentially a collection of sample pads set up in the same way as an acoustic drum kit. The pads themselves...

An ethnic group is a group of people who are considered to be the same in some or multiple ways. They may all have the same ancestors, speak the same language...

chemical element. In chemistry, silver is element 47, a transition metal. It has an atomic weight of 107.86 a.m.u. Its symbol is Ag, from the Latin word for silver...

An ion is an electrically charged atom or molecule (group of atoms). It is "charged" so it will move near electricity. Atoms are made from positively charged...

An electron is a very small piece of matter made up of negative charge. Its symbol is e− or β-, and it was discovered by J. J. Thomson in 1897. An electron...

Professor (often shortened to Prof.) is an academic rank at most universities and colleges. The word professor comes from Latin. It means a "person who...

affect the person's body and mind. The conditions of living organisms in an environment are affected by the weather and climate changes in the environment...

An astronomer is a scientist who studies astronomy. Observational astronomers work in observatories with telescopes to collect information from things...

A symbol is a drawing, shape, or an object that represents an idea, object, or amount of something. The most common symbols are letters, which are symbols...

The mass of an object is a measure of how much of it there is. For example, A mountain has more mass than a rock. Mass is different from weight. Weight...

has an episcopal throne. The cathedral is the main church of the diocese and the bishop's see. A bishop may be given the rank of archbishop in an archdiocese...

is the profession of an architect. Usually, a person must study at an institution of higher education (university) to become an architect. There were...

compares the amount of matter an object has to its volume. An object with much matter in a certain volume has high density. An object with little matter in...

district headed by a district commission typically covers somewhere between ten and thirty municipalities. statutory cities coded with an asterix (*)...

Martinique is an French island in the Caribbean Sea. It has an area of 1,128 km². Nearly 400,000 people live there. Martinique was known by indigenous...

Finland. It is also an official minority language in Sweden and Russia. Finnish is one of the four national languages of Europe that is not an Indo-European...

An aircraft is a flying machine. The word aircraft originally meant airships and balloons. It comes from the words air and craft, a term from boating as...