preclude obstacles
21Interstellar travel — Montage of fusion powered rocket concepts from 1987–2004, which could form the basis for an interstellar vehicle. Included are: VISTA (Lawrence Livermore National Laboratories,1987), Discovery II (NASA/GRC, 2002), Human Outer Planet Exploration… …
22Madagascar — For other uses, see Madagascar (disambiguation) and Malagasy (disambiguation). Republic of Madagascar Repoblikan i Madagasikara République de Madagascar …
23Religion and homosexuality — See also: LGBT matters and religion Conservative Christian protesters at a 2006 gay pride event in San Francisco. The relationship between religion and homosexuality can vary greatly across time and place, within and between different religions… …
24Religious pluralism — This article is about religious pluralism. For other uses of the term, see Pluralism (disambiguation). The cross of the war memorial and a menorah for Hanukkah coexist in Oxford. Religious pluralism is a loosely defined expression concerning… …
25Tetris — Tetяis redirects here. For the Tengen produced game, see TETЯIS: The Soviet Mind Game. Tetris The box of the Nintendo version of Tetris for the NES. Developer(s) Alexey Pajitnov (E60 prototype), Vadim Ge …
26Christian right — Part of a series on Conservatism …
27Piers Plowman — [ Psalter, showing drolleries on the right margin and a plowman at the bottom.] Piers Plowman (written ca. 1360 ndash;1399) or Visio Willelmi de Petro Ploughman ( William s Vision of Piers Plowman ) is the title of a Middle English allegorical… …
28Outer space — For other uses, see Outer space (disambiguation). The boundaries between the Earth s surface and outer space, at the Kármán line, 100 km (62 mi) and exosphere at 690 km (430 mi). Not to scale Outer space is the void that exists beyond any… …
29Coase theorem — In law and economics, the Coase theorem (pronounced /ˈkoʊs/), attributed to Ronald Coase, describes the economic efficiency of an economic allocation or outcome in the presence of externalities. The theorem states that if trade in an externality… …
30Ifá — Sixteen Principal Odu Name 1 2 3 4 Ogbe I I I I Oyẹku II II II II Iwori …
