reversing press
61National Organization for Women — Founder(s) 28 men and women, including Betty Friedan, Pauli Murray, and Shirley Chisholm Type 501(c)(3) Founded 1 …
62Orientability — For orientation of vector spaces, see orientation (mathematics). For other uses, see Orientation (disambiguation). The torus is an orientable surface …
63Agriculture and Food Supplies — ▪ 2007 Introduction Bird flu reached Europe and Africa, and concerns over BSE continued to disrupt trade in beef. An international vault for seeds was under construction on an Arctic island. Stocks of important food fish species were reported… …
64Symmetry group — Not to be confused with Symmetric group. This article is about the abstract algebraic structures. For other meanings, see Symmetry group (disambiguation). A tetrahedron can be placed in 12 distinct positions by rotation alone. These are… …
65Recurrence relation — Difference equation redirects here. It is not to be confused with differential equation. In mathematics, a recurrence relation is an equation that recursively defines a sequence, once one or more initial terms are given: each further term of the… …
66Life extension — refers to an increase in maximum or average lifespan, especially in humans, by slowing down or reversing the processes of aging. Average lifespan is determined by vulnerability to accidents and age related afflictions such as cancer or… …
67Lorentz group — Group theory Group theory …
68Wood Lane (Central Line) tube station — Infobox Closed London station | name=Wood Lane| tubestation=yesWood Lane tube station is a disused station on the Central Line of the London Underground. It was built for the Franco British Exhibition of 1908.The location of the station was… …
69Order of integration (calculus) — For the summary statistic in time series, see Order of integration. Topics in Calculus Fundamental theorem Limits of functions Continuity Mean value theorem Differential calculus  Derivative Change of variables Implicit differentiati …
70Calendar of 1993 — ▪ 1994 January January 1 Czechoslovakia now two nations. What had been the single nation of Czechoslovakia officially became two independent states, the Czech Republic and Slovakia. Vaclav Havel, the former president of Czechoslovakia, and… …
