The popular MP3 format is probably the best-known example, but the AAC format found on the iTunes Music Store is also common.

The best-known example in the recent past is the Kennedy assassination conspiracy literature, though similar material exists concerning the September 11 attacks, the crash of TWA Flight 800, and the spread of AIDS in the black community.

Meteor Crater is perhaps the best-known example of a small impact crater on the Earth.

* The Core Curriculum of Columbia College of Columbia University, is probably the best-known example of educational perennialism.

The best-known example of Gematria is the Hebrew word Chai (" life "), which is composed of two letters which ( using the assignments in the Mispar gadol table shown below ) add up to 18.

The best-known example is the Treaty of New Echota.

The PLO's " vicious terrorist attacks in Israel " dating from this period were countered by Israeli bombing raids in southern Lebanon, where " 150 or more towns and villages ... have been repeatedly savaged by the Israeli armed forces since 1968 ," of which the village of Khiyam is probably the best-known example.

Perhaps the best-known example is Toronto Bay, chosen as the site of the Upper Canada ( Ontario ) capital for its strategic harbour.

* Enemy characters and items based on mandrakes are found in a number of video games ; the best-known example is the Pokemon Oddish.

The best-known example of SEI work in management practices is the SEI ’ s Capability Maturity Model ( CMM ) for Software ( now Capability Maturity Model Integration ( CMMI )).

The best-known example of this perspective was the concept of Sozialbrache ( social-fallow ), i. e. the abandoning of tillage as an indicator for occupational shifts away from agriculture.

The best-known example is the year 46 BC: as part of the reform that initiated the Julian calendar of that name, 46 BC was allotted 445 days by Julius Caesar.

The discovery of a species still living, when they were believed to have gone extinct 65 million years previously, makes the coelacanth the best-known example of a Lazarus taxon, a species that seems to have disappeared from the fossil record only to reappear much later.

In perhaps the best-known example, the story of Lucifer, pride ( his desire to compete with God ) was what caused his fall from Heaven, and his resultant transformation into Satan.

IBM was probably the best-known chain printer manufacturer and the IBM 1403 is probably the most famous example of a chain printer.

Its use during Operation Cobra is the best-known example.

Los Angeles is the best-known example of this type of urbanisation.

The best-known example is the Turing machine.

A better understanding of the physics of explosions made it possible to use controlled explosions in construction, the best-known example being the construction of the Medeu Mudflow Control Dam outside of Almaty in Kazakhstan.

A classic example is the notion of utopia as described in Plato's best-known work, The Republic.

The best-known example of such an eiscir is the Eiscir Riada, which runs nearly the whole width of Ireland from Dublin to Galway, a distance of 200 km, and is still closely followed by the main road from Dublin to Galway.

The best-known example of this is London, which contains two cities ( the City of London and the City of Westminster ) but is not itself a city.

" The best-known example is " The Dragon ", now on display at the Houston Museum of Natural Science.

The best-known example is the small seaport of Rungholt, which was destroyed by a storm surge in 1362.

The English twin sisters Mary and Eliza Chulkhurst, who were conjoined at the back ( pygopagus ), lived from 1100 to 1134 ( or 1500 to 1534 ) and were perhaps the best-known early historical example of conjoined twins.

It is one of Gershwin's best-known compositions.

One of van Vogt's best-known novels of this period is Slan, which was originally serialised in Astounding Science Fiction ( September-December 1940 ).

The best-known and longest-running of these events is the rugby league rivalry between Great Britain and Australia ( see rugby league " Ashes ").

Although the Kebra Nagast is the best-known account of this belief, the belief predates the document.

Adam of Bremen's best-known work is the Gesta Hammaburgensis Ecclesiae Pontificum ( Deeds of Bishops of the Hamburg Church ), which he began only after the death of the archbishop Adalbert.

" () or " A. B. C's " () is one of the best-known English language alphabet songs, and perhaps the one most frequently referred to as " the alphabet song ", especially in the United States.

The prehistory of arithmetic is limited to a small number of artifacts which may indicate conception of addition and subtraction, the best-known being the Ishango bone from central Africa, dating from somewhere between 20, 000 and 18, 000 BC although its interpretation is disputed.

Completed in 1824, the symphony is one of the best-known works of the Western classical repertoire.

Among the famous mathematicians and cryptanalysts working there, the most influential and the best-known in later years was Alan Turing who is widely credited with being " The Father of Computer Science ".

Bede's best-known work is the Historia ecclesiastica gentis Anglorum, or An Ecclesiastical History of the English People.

In the words of Charles Plummer, one of the best-known editors of the Historia Ecclesiastica, Bede's Latin is " clear and limpid ... it is very seldom that we have to pause to think of the meaning of a sentence ... Alcuin rightly praises Bede for his unpretending style.

The work is probably based on the older Mesopotamian genre of the " city lament ", of which the Lament for Ur is among the oldest and best-known.

The best-known bee species is the European honey bee, which, as its name suggests, produces honey, as do a few other types of bee.

The CRTC regulates all Canadian broadcasting and telecommunications activities and enforces rules it creates to carry out the policies assigned to it ; the best-known of these is probably the Canadian content rules.

The best-known of these is the nucleolus, which is mainly involved in the assembly of ribosomes.

* Many safety clutches are not friction clutches, but belong to the interference clutch family, of which the dog clutch ( see below ) is the best-known.

The 1000-kilometre Kinshasa-Kisangani route on the Congo River is the longest and best-known.