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Breaking science news and articles on global warming, extrasolar planets, stem cells, bird flu, autism, nanotechnology, dinosaurs, evolution -- the latest discoveries in astronomy, anthropology, biology, chemistry, climate & environment, computer...

TFD Encyclopedia includes Computer Desktop Encyclopedia, Columbia Encyclopedia and many other great sources.

WikiAnswers: Questions and Answers from the Community

StarCraft Wiki is a comprehensive guide to the StarCraft universe and StarCraft II.

Memory Alpha is a collaborative project to create the most definitive, accurate, and accessible encyclopedia and reference for everything related to Star Trek.

Track and research your investment portfolio with Wikinvest, the largest investing wiki with community analysis, interactive charts, and news for companies, investment concepts, commodities, currencies, and more.

Green business news and tools focused on sustainability and business success. Resources for energy efficiency, csr, environmental and green jobs, supply chain, marketing, product design, and more.

wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual. Our multilingual how to manual has free step-by-step instructions on how to do all types of things.

Environmental news and green living tips from Grist, the most recognizable voice in environmental journalism.