upward-traveling
51muscle — muscleless, adj. muscly, adj. /mus euhl/, n., v., muscled, muscling, adj. n. 1. a tissue composed of cells or fibers, the contraction of which produces movement in the body. 2. an organ, composed of muscle tissue, that contracts to produce a… …
52Glossary of ballet — Ballet is a formalized type of dance; ballet dance is usually performed on stage as part of a ballet dance work which includes mime, acting, and is set to music. Dancers can perform either en pointe or demi pointe; in ballet class, the dancers… …
53earthquake — /errth kwayk /, n. 1. a series of vibrations induced in the earth s crust by the abrupt rupture and rebound of rocks in which elastic strain has been slowly accumulating. 2. something that is severely disruptive; upheaval. [1300 50; ME erthequake …
54Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …
55skeletal system, human — ▪ anatomy Introduction the internal skeleton that serves as a framework for the body. This framework consists of many individual bones (bone) and cartilages (cartilage). There also are bands of fibrous connective tissue the ligaments (ligament)… …
56Governing Body of Jehovah's Witnesses — Part of a series on Jehovah s Witnesses Overview …
57Minstrel show — For the album by Little Brother, see The Minstrel Show. Detail from cover of The Celebrated Negro Melodies, as Sung by the Virginia Minstrels, 1843 The minstrel show, or minstrelsy, was an American entertainment consisting of comic skits, variety …
58Perspective (graphical) — Part of a series on …
59Lorentz factor — The Lorentz factor or Lorentz term appears in several equations in special relativity, including time dilation, length contraction, and the relativistic mass formula. Because of its ubiquity, physicists generally represent it with the shorthand… …
60Escalator — For the album by Sam Gopal, see Escalator (album). Escalators in a Copenhagen Metro station, Denmark, 2007 Escalator in action, 2011 An e …
