Igneous rock (derived from the Latin word ignis meaning fire) is one of the three main rock types, the others being sedimentary and metamorphic rock. Igneous rock is formed through the cooling and solidification of magma or lava. Igneous rock may form with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks. This magma can be derived from partial melts of pre-existing rocks in either a planet's mantle or crust. Typically, the me..
Toxicodendron is a genus of in the sumac family, Anacardiaceae. It contains woody , and , including poison ivy, poison oak, and the lacquer tree. All members of the genus produce the skin-irritating oil urushiol, which can cause a severe allergic reaction. The generic name is derived from the Greek words ( toxikos), meaning "poison," and ( dendron), meaning "tree". ξ1 The best known members of the genus in North America are poison ivy (T. radicans), practically ubiquitous throughout most of eastern..
Frank Vincent ZappaUntil discovering his birth certificate as an adult, Zappa believed he had been christened "Francis", and he is credited as Francis on some of his early albums. His legal name was always "Frank", however, never "Francis". Cf. Zappa with Occhiogrosso, 1989, The Real Frank Zappa Book, p. 15. (December 21, 1940 – December 4, 1993) was an American musician, bandleader, songwriter, composer, recording engineer, record producer, and film director. In a career spanning more than 30 ..
Carbapenem-resistant enterobacteriaceae ( CRE) or Carbapenemase-producing Enterobacteriaceae (CPE), are gram-negative bacteria that are nearly resistant to the carbapenem class of antibiotics, considered the "drug of last resort" for such infections. Enterobacteriaceae are common commensals and infectious agents. Experts fear CRE as the new "superbug". The bacteria can kill up to half of patients who get bloodstream infections. Tom Frieden, head of the Centers for Disease Control has referred to CRE as "n..
Originally made of cotton or flax, most modern webbing is made of synthetic fibers such as nylon, polypropylene or polyester. Webbing is also made from exceptionally high-strength material, such as Dyneema, and Kevlar. Webbing is both light and strong, with breaking strengths readily available in excess of 10,000 lb (44.4 kN)
Meat is animal flesh that is eaten as food. ξ1 Humans are omnivorous, ξ2ξ3 and have hunted and killed animals for meat since prehistoric times. The advent of civilization allowed the domestication of animals such as chickens, sheep, pigs and cattle, and eventually their use in meat production on an industrial scale.
