make+less+difficult
41Buprenorphine — Systematic (IUPAC) name (2S) 2 [( ) (5R,6R,7R,14S) 9α cyclopropylmethyl 4,5 epoxy 6,14 ethano 3 hydroxy 6 methoxymorphinan 7 yl] 3,3 dimethylbutan 2 ol Clinical …
42space exploration — Investigation of the universe beyond Earth s atmosphere by means of manned and unmanned spacecraft. Study of the use of rockets for spaceflight began early in the 20th century. Germany s research on rocket propulsion in the 1930s led to… …
43Monopoly — This article is about the economic term. For the board game, see Monopoly (game). For other uses, see Monopoly (disambiguation). Competition law Basic concepts …
44Molecular nanotechnology — Part of a series of articles on Molecular Nanotechnology …
45Oregon Trail — For other uses, see Oregon Trail (disambiguation). Oregon Trail The route of the Oregon Trail shown on a map of the western United States from Independence, Missouri (on the eastern end) to Oregon City, Oregon (on the western end) …
46Fast bowling — Fastman redirects here. For the member of the band Fun Lovin Criminals, see Fastman (musician). Bowling techniques Bowling strategy Fast bowling Seam bowling Swing bowling Medium pace bowling Spin bowling Finger spin Off spin Left arm orthodox… …
47Bicycle brake — Animation of a single pivot side pull calliper brake for the rear wheel of a steel framed road bike. A bicycle brake is used to slow down or stop a bicycle. There have been various types of brake used throughout history, and several are still in… …
48Interstellar 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… …
49Formula One — F1 redirects here. For other uses, see F1 (disambiguation). For other uses, see Formula One (disambiguation). Formula One Category Single seater Country or region Worldwide …
50Mail-order bride — is a label applied to a woman who publishes her intent to marry someone from another, usually more financially developed, country.[1] This term is considered offensive by some definitions.[2] The mail order bride industry is the economic trade of …
