flat cross-section hypothesis
51Unidentified flying object — UFO redirects here. For other uses, see UFO (disambiguation). Photograph of alleged UFO, New Jersey, July 31, 1952 A term originally coined by …
52cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …
53MUSIC — This article is arranged according to the following outline: introduction written sources of direct and circumstantial evidence the material relics and iconography notated sources oral tradition archives and important collections of jewish music… …
54Geology of Mars — Mars   Mars as seen by the Hubble Space Telescope Designations …
55eye, human — ▪ anatomy Introduction specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit The eye is protected from mechanical injury… …
56GEOGRAPHICAL SURVEY — Names The name Ereẓ Israel (the Land of Israel) designates the land which, according to the Bible was promised as an inheritance to the Israelite tribes. In the course of time it came to be regarded first by the Jews and then also by the… …
57Shen Kuo — Infobox Scientist name = Shen Kuo zh. 沈括 image width = 280px caption = Shen Kuo, a Chinese scientist famous for his concepts of true north and land formation, among others. (Modern artist s impression) birth date = 1031 birth place = Qiantang… …
58Shroud of Turin — The Shroud of Turin: modern photo of the face, positive left, negative right. Negative has been contrast enhanced. The Shroud of T …
59DNA — For a non technical introduction to the topic, see Introduction to genetics. For other uses, see DNA (disambiguation). The structure of the DNA double helix. The atoms in the structure are colour coded by element and the detailed structure of two …
60Song Dynasty — This article is about the Northern and Southern Song Dynasties. For the Southern Dynasty, see Liu Song Dynasty. Song 宋 ← …
