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91Organoselenium chemistry — Organoselenium compounds are chemical compounds containing carbon to selenium chemical bonds. Organoselenium chemistry is the corresponding science exploring their properties and reactivity.[1][2][3][4] Selenium belongs with oxygen and sulfur to… …
92Evolution of the eye — The evolution of the eye has been a subject of significant study, as a distinctive example of a homologous organ present in a wide variety of taxa. The development of the eye is considered by some experts to be monophyletic; that is, all modern… …
93Fortran language features — This is a comprehensive overview of features of the Fortran 95 language, the version supported by almost all existing Fortran compilers. Old features that have been superseded by new ones are not described few of those historic features are used… …
94Intelligence analysis management — This article deals with the roles of processing/analysis in the real world intelligence cycle as a part of intelligence cycle management. See Intelligence analysis for a discussion of the techniques of analysis. For a hierarchical list of… …
95History of timekeeping devices — For thousands of years, devices have been used to measure and keep track of time. The current sexagesimal system of time measurement dates to approximately 2000 BC, in Sumer. The Ancient Egyptians divided the day into two 12 hour periods, and… …
96Crystallographic database — A crystallographic database is a database specifically designed to store information about crystals and crystal structures. Crystals are solids having, in all three dimensions of space, a regularly repeating arrangement of atoms, ions, or… …
97quaternary — /kwot euhr ner ee, kweuh terr neuh ree/, adj., n., pl. quaternaries. adj. 1. consisting of four. 2. arranged in fours. 3. (cap.) Geol. noting or pertaining to the present period of earth history, forming the latter part of the Cenozoic Era,… …
98animal communication — Transmission of information from one animal to another by means of sound, visible sign or behaviour, taste or odour, electrical impulse, touch, or a combination of these. Most animal communication uses sound (e.g., birds calling, crickets… …
99blood disease — Introduction any disease of the blood, involving the red blood cells (erythrocytes (erythrocyte)), white blood cells (leukocytes (leukocyte)), or platelets (platelet) (thrombocytes) or the tissues in which these elements are formed the bone …
100Wikipedia:What Wikipedia is not — WP:NOT redirects here. For Wikipedia s notability guidelines, see Wikipedia:Notability. This page documents an English Wikipedia policy, a widely accepted standard that all editors should normally follow. Changes made to it should reflect… …
