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Subjects
Science and technology

Everything you could need to know about science and technology.
Articles Over 12,000 AZ articles on science and technology subjects, such as the Beaufort Scale and animal behaviour.
Feature essays Over 150 essays provide in-depth discussion and analysis of complex subjects or issues. Topics range from nuclear waste to life on Mars.
Biographies Select from over 1,200 extended biographies of key individuals. As an alternative, over 4,000 concise biographies are available, or you can choose our complete set of biographies of winners of the Nobel prizes for Physics, Chemistry, and Physiology or Medicine.
Chronologies An extensive set of timelines with over 12,000 entries detail the history of science and technology.
Tables Facts, figures, and statistics on scientific topics such as astronomy, computing, mathematic, and natural history.
Multimedia Images, photographs, diagrams, and animations explain concepts in a memorable, entertaining fashion.
Quiz questions Over 6,000 questions about all areas of science and technology provide a challenging, entertaining, and educational entry into science topics.
Quotations Over 600 quotations from major figures, past and present, specifically related to scientific and technical themes.
Amazing facts Hundreds of entertaining facts can be set to run at random on a Web site, or to add life to any publishing project. See them in action on our home page.
Web links A directory of hand-picked online resources relating to science and technology.
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