found 3 12 May 2010 00:00
Sociologists invade World of Warcraft, see humanity's future,
12 May 2010 23:33 by corti@D42537 ::: arstechnica.com
heavy oil and tar sand :: Article -- Britannica Online Encyclopedia,
12 May 2010 11:35 by hsmith_18D42535 ::: britannica.com
Tar Sands Basics,
12 May 2010 11:09 by hsmith_18D42534 ::: ostseis.anl.gov

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