change-over to a different classification scheme
41Evolution — This article is about evolution in biology. For other uses, see Evolution (disambiguation). For a generally accessible and less technical introduction to the topic, see Introduction to evolution. Part of a series on …
42Motion picture rating system — Parental Guidance redirects here. For the Singaporean TV series, see Parental Guidance (TV series). For the Judas Priest song, see Parental Guidance (song). A motion picture rating system is designated to classify films with regard to suitability …
43National 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,… …
44Quantitative comparative linguistics — is a branch of comparative linguistics that applies mathematical models to the problem of classifying language relatedness. This includes the use of computational phylogenetics and cladistics to define an optimal tree (or network) to represent a… …
45Geographic information system — GIS redirects here. For other uses, see GIS (disambiguation). A geographic information system, geographical information science, or geospatial information studies is a system designed to capture, store, manipulate, analyze, manage, and present… …
46Mental disorder — Classification and external resources Eight women representing prominent mental diagnoses in the 19th century. (Armand Gautier) ICD 10 F …
47Cloud — For other uses, see Cloud (disambiguation). Cumulus cloudscape over Swifts Creek, Australia A cloud …
48Vehicle registration plate — A vehicle registration plate is a metal or plastic plate attached to a motor vehicle or trailer for official identification purposes. The registration identifier is a numeric or alphanumeric code that uniquely identifies the vehicle within the… …
49Science of morality — The Good Samaritan by François Léon Sicard. The sculpture is based on a story, and one that would be promoted by science of morality. Nature, habits, culture and norms are all pivotal in this empirical pursuit of harmony among living beings.… …
50Main sequence — A Hertzsprung Russell diagram plots the actual brightness (or absolute magnitude) of a star against its color index (represented as B V). The main sequence is visible as a prominent diagonal band that runs from the upper left to the lower right.… …
