• 4000 Years of Women in Science Biography Listing
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• About.com
  
  About.com is a valuable resource for content that helps people to solve the large and small needs of everyday life.
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• AEEA 天文教育資訊網
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• Answers.com
  
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• Chemistry
  Periodic Table and More
  Award winning periodic table, with user-friendly element data and facts. Cool, online chemistry videos, dictionary, tools and forum.
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• Chemistry
  WebElements Periodic Table
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• Daily Fongyun
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• Demolab 物理教學示範實驗教室
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• Distance Degrees.com - Lose Your Wikipedia Crutch: 100 Places to Go for Good Answers Online
  While Wikipedia isn’t likely to lose its status as the first place people look for quick answers anytime soon, there are loads of other sites out there that can provide you with information, some of which may even be better and more accurate. Whether you’re researching for a paper or just settling a bet with a friend, here are 100 places you can find all the answers you need quickly and easily online.
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• Easy Science Experiment Projects at Steve Spangler Science
  
  Easy Science Experiments with Steve Spangler
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• eHow | How To Do Just About Everything!
  
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• Encyclopedia - Britannica Online Encyclopedia
  Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sites.
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• Gray, Henry. 1918. Anatomy of the Human Body
  
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• Howard Hughes Medical Institute
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• HowStuffWorks
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• Mr./Ms. Days (MMDays)
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• NASA Images
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• NASA World Wind
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• National Aeronautics and Space Administration (NASA)
  in Public bookmarks with astronomy databases liberal-studies science space us-government 天文 太空 科學 美國政府 資料庫 通識 by 47 users

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