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71Cactus — This article is about the plant family. For the former genus Cactus, see Mammillaria, Melocactus, and Opuntia. For other meanings, see Cactus (disambiguation) Cacti redirects here. For the software, see Cacti (software). Cacti Temporal range: 35… …
72History of science — History of science …
73Joan of Arc — For other uses, see Joan of Arc (disambiguation). Jeanne d Arc redirects here. For other uses, see Jeanne d Arc (disambiguation) …
74Modafinil — Systematic (IUPAC) name (±) 2 (benzhydrylsulfinyl)acetamide …
75Nanotechnology — Part of a series of articles on …
76Probability theory — is the branch of mathematics concerned with analysis of random phenomena.[1] The central objects of probability theory are random variables, stochastic processes, and events: mathematical abstractions of non deterministic events or measured… …
77Leprosy — For the Hebrew Bible term and its varied meanings, see Tzaraath. For other uses, see Leprosy (disambiguation). Leprosy Classification and external resources A 24 year old man infected with leprosy. ICD 10 …
78Fusion power — The Sun is a natural fusion reactor. Fusion power is the power generated by nuclear fusion processes. In fusion reactions two light atomic nuclei fuse together to form a heavier nucleus (in contrast with fission power). In doing so they release a …
79Sundial — A sundial is a device that measures time by the position of the Sun. In common designs such as the horizontal sundial, the sun casts a shadow from its style (a thin rod or a sharp, straight edge) onto a flat surface marked with lines indicating… …
80Themis — For other uses, see Themis (disambiguation). In Greek mythology, Hesiod mentions [Hesiod, Theogony 132; this origin was part of Orphic tradition as well (Orphic Hymn 79).] Themis ( el. Θέμις) among the six sons and six daughters of Gaia and… …
