format classification
41Sleep medicine — is a medical subspecialty devoted to the diagnosis and therapy of sleep disturbances and disorders. From the middle of the 20th century, research has provided increasing knowledge and answered many questions about sleep wake functioning. [cite… …
42Police d'écriture — Pour les articles homonymes, voir Police.  Ne doit pas être confondu avec Fonte de caractères. Une police d’écriture, ou police de caractères, en typographie, est un ensemble de glyphes, c’est à dire de représentations visuelles de… …
43MARC standards — MARC Filename extension .mrc .marc Internet media type application/marc MARC, MAchine Readable Cataloging, is a data format and set of related standards used by libraries to encode and share information about books and other material they collect …
44National identification number — A national identification number, national identity number, or national insurance number is used by the governments of many countries as a means of tracking their citizens, permanent residents, and temporary residents for the purposes of work,… …
45Ediacara biota — The Ediacara (IPAEng|ˌiːdɪˈækərə, formerly Vendian) biota are ancient lifeforms of the Ediacaran Period, which represent the earliest known complex multicellular organisms. They appeared soon after the Earth thawed from the Cryogenian period s… …
46Greco-Roman wrestling — Infobox martial art imagesize = 150px name = Greco Roman Wrestling aka = focus = Grappling country = flagicon|FRA France creator = Exbroyat parenthood = European styles of folk wrestling; in particular French flat hand wrestling famous pract =… …
47Freestyle wrestling — Infobox martial art imagesize = 150px name = Freestyle Wrestling aka = focus = Grappling country =flagicon|UK United Kingdomflagicon|US United States creator = parenthood = Catch wrestling famous pract = Kurt Angle, Gholamreza Takhti, Bruce… …
48Software tools for molecular microscopy — There are a large number of software tools or software applications that have been specifically developed for the field sometimes referred to as molecular microscopy or cryo electron microscopy or cryoEM. Several special issues of the Journal of… …
49Cambrian explosion — The Cambrian explosion or Cambrian radiation was the seemingly rapid appearance of most major groups of complex animals around Ma|530, as evidenced by the fossil record. [http://www.ucmp.berkeley.edu/cambrian/camb.html The Cambrian Period] ]… …
50Mental As Anything — For the Farscape episode of the same name, see Mental as Anything (Farscape episode). Mental As Anything Mental As Anything in a 1983 publicity shot Courtesy: David Gans …
