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...published by [[Encyclopædia Britannica, Inc.]], a privately held company. Articles are aimed at educated adults, and written by about 100&nbsp;full-time edito ...ginning with the 11th edition, the ''Britannica'' shortened and simplified articles to broaden its North American market.<ref name="kogan_1958" /> In 1933, th

...een replaced with a [[gas]]. The result is an extremely low-density solid, with a notable effectiveness as a [[thermal conductivity|thermal insulator]]. It ...a bet with Charles Learned over who could replace the liquid in 'jellies' with gas without causing shrinkage.<ref>{{cite journal

...s]], [[ductility]], and [[tensile strength]] of the resulting steel. Steel with increased carbon content can be made harder and stronger than iron, but suc ...point]] and [[castability]].<ref name=EM2/> Steel is also distinguishable from [[wrought iron]], which can contain a small amount of carbon, but it is inc

[[Image:Asbestos with muscovite.jpg|right|thumb|200px|Fibrous asbestos on [[muscovite]]]] [[Image:Blue asbestos.jpg|thumb|Blue asbestos (crocidolite) from [[Wittenoom, Western Australia]]. The ruler is 1 cm.]]

...rmaldehyde''' (systematic name: '''methanal''') is an [[organic compound]] with the [[chemical formula|formula]] CH₂O. As the simplest [[aldehyd ...pending on the concentration and temperature. The infinite polymer formed from formaldehyde is called paraformaldehyde. The cyclic trimer is called metafo

...stem|reproductive]] and [[nervous system|nervous]] systems. It interferes with the development of the nervous system and is therefore particularly toxic t ...dual efforts (e.g. removing lead-containing items such as piping or blinds from the home) to nationwide policies (e.g. laws that ban lead in products or re

| image_alt = A man in a jacket with handcuffs ...ate degree, and later earned a [[Doctor of Philosophy|PhD]] in mathematics from the [[University of Michigan]]. He became an assistant professor at the [[U

...d school. There were 236 students enrolled when the school opened, ranging from the first to twelfth grades.{{ref|Ellsworth}} ...as oil-based, spread the flames more rapidly over her body. She later died from the injuries.{{ref|Bernstein1}}

|caption=President Kennedy with his wife, Jacqueline, and [[Texas Governor]] [[John Connally]] in the [[Pre |image4= Elm from 6th fl.jpg

The concept of '''anti-terrorism''' emerges from a thorough examining of the concept of [[terrorism]] as well as an attempt ...using the tactic of terrorism. The [[US military]] definition, compatible with the definitions used by [[NATO]] and many other militaries, is "Operations

...ustralian Law and Bills Digest Group, Parliament of Australia Web Site, 12 February 2002.</ref><ref>Thalif Deen. [http://ipsnews.net/news.asp?idnews=29633 POLI ...ual terrorists tend to be motivated more by a desire for social solidarity with other members of their organization than by political platforms or strategi

...d, generally, the club enforces a set of bylaws on its members that derive from the values of the outlaw biker culture.<ref name=Drew2002>{{Citation |title ...torcycle club)|Mongols]], wrote that what makes a gang like them different from the [[Mafia]] is that crime and violence are not used as expedients in purs

...gton Post]]|date=September 17, 2008|accessdate=2010-06-07}}</ref> A panel from the [[United States National Academy of Sciences|National Academy of Scienc Ivins graduated with honors from the [[University of Cincinnati]] with a [[Bachelor of Science|B.S.]] degree in 1968, an [[Master of Science|M.S.]

| date_of_arrest = February 2002 ...last=Dodds|first=Palsley|date=7 March 2006|work=Times Daily |accessdate=20 February 2010}}</ref> While Begg admits spending time at two Islamic militant train

...2/hi/europe/6360817.stm | accessdate=2007-02-14 | publisher=[[BBC]] | date=February 14, 2007 }}</ref> .../><ref>[http://news.bbc.co.uk/2/hi/europe/6361829.stm Key excerpts of the February 2007 report] adopted by the European Parliament</ref>

...intout/0,8816,1900248,00.html The CIA's Silent War in Pakistan], [[TIME]], 2009-06-01</ref> Under the [[George W. Bush administration]], these controversia ...ar in Pakistan]</ref><ref>[http://www.newamerica.net/publications/articles/2009/drone_war_13672 The Drone War]</ref>

...f American citizens by the [[National Security Agency]] requires a warrant from a three judge court set up under the [[Foreign Intelligence Surveillance Ac ...cial act knowing that it was not authorized by statute; this is punishable with a fine of up to $10,000 or up to five years in prison, or both.<ref>{{cite

...):279–282.</ref> When spores are inhaled, ingested, or come into contact with a skin lesion on a host they may reactivate and multiply rapidly. ...read by spores. These spores can be transported by clothing or shoes. The dead body of an animal that died of anthrax can also be a source of anthrax spor

...ing]] services, and [[aerospace]] systems for a wide variety of customers, from private consumers to major [[corporation]]s and [[government]]s. ...of the [[Dow Jones Industrial Average]] Index from December 7, 1925 until February 9, 2008.

...garithmic vertical scale]]; the line corresponds to [[exponential growth]] with transistor count doubling every two years.]] ...with iPhone in 2009.jpg|thumb|An [[Osborne Executive]] portable computer, from 1982, and an [[iPhone]], released 2007. The Executive weighs 100 times as m