-30- has been traditionally used by journalists in North America to indicate the end of a story or article that is submitted for editing and typesetting...

In computing, a database is an organized collection of data or a type of data store based on the use of a database management system (DBMS), the software...

A school is both the educational institution and building designed to provide learning spaces and learning environments for the teaching of students under...

Asphyxia or asphyxiation is a condition of deficient supply of oxygen to the body which arises from abnormal breathing. Asphyxia causes generalized hypoxia...

The volt (symbol: V) is the unit of electric potential, electric potential difference (voltage), and electromotive force in the International System of...

An island or isle is a piece of land, distinct from a continent, completely surrounded by water. There are continental islands, which were formed by being...

A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) containing atoms from more than one chemical element...

Natural science is one of the branches of science concerned with the description, understanding and prediction of natural phenomena, based on empirical...

Crack cocaine, commonly known simply as crack, and also known as rock, is a free base form of the stimulant cocaine that can be smoked. Crack offers a...

Physiology (/ˌfɪziˈɒlədʒi/; from Ancient Greek φύσις (phúsis) 'nature, origin' and -λογία (-logía) 'study of') is the scientific study of functions and...

International law (also known as public international law and the law of nations) is the set of rules, norms, and standards that states and other actors...

A savanna or savannah is a mixed woodland-grassland (i.e. grassy woodland) biome and ecosystem characterised by the trees being sufficiently widely spaced...

The Picts were a group of peoples in what is now Scotland north of the Firth of Forth, in the Early Middle Ages. Where they lived and details of their...

Aisha bint Abi Bakr (c. 613/614 CE – July 678) was the Islamic prophet Muhammad's third and youngest wife. Little is known about her childhood. A preponderance...

In mathematics, an integral is the continuous analog of a sum, which is used to calculate areas, volumes, and their generalizations. Integration, the process...

Rediff.com, stylized as rediff.com, is an Indian news, information, entertainment, and shopping website. Founded by Ajit Balakrishnan in 1996, it was the...

In linguistics, a neologism (/niˈɒləˌdʒɪzəm/; also known as a coinage) is any newly formed word, term, or phrase that nevertheless has achieved popular...

A force is an influence that can cause an object to change its velocity unless counterbalanced by other forces. The concept of force makes the everyday...

Colonel (abbreviated as Col., Col, or COL) is a senior military officer rank used in many countries. It is also used in some police forces and paramilitary...

Some chemical authorities define an organic compound as a chemical compound that contains a carbon–hydrogen or carbon–carbon bond; others consider an organic...

Gram-negative bacteria are bacteria that, unlike gram-positive bacteria, do not retain the crystal violet stain used in the Gram staining method of bacterial...

A creole language, or simply creole, is a stable natural language that develops from the process of different languages simplifying and mixing into a new...

Newton's law of universal gravitation states that every particle attracts every other particle in the universe with a force that is proportional to the...

Canonization is the declaration of a deceased person as an officially recognized saint, specifically, the official act of a Christian communion declaring...

A stratovolcano, also known as a composite volcano, is a conical volcano built up by many layers (strata) of hardened lava and tephra. Unlike shield volcanoes...

Order (Latin: ordo) is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between family and class. In biological...

The prime minister of Pakistan (Urdu: وزِیرِ اعظم پاکستان , romanized: Wazīr ē Aʿẓam lit. 'Grand Vizier', Urdu pronunciation: [ʋəˈziːr-ˌeː ˈɑː.zəm]) is...

In geometry, the circumference (from Latin circumferens, meaning "carrying around") is the perimeter of a circle or ellipse. The circumference is the arc...

Administrative divisions (also administrative units, administrative regions, #-level subdivisions, subnational entities, or constituent states, as well...

A chemical substance is a unique form of matter with constant chemical composition and characteristic properties. Chemical substances may take the form...