Freshwater Jellyfish!
Readers can discover the freshwater jellyfish Craspedacusta sowerbii at this straightforward and informative Web site from the Indiana University of Pennsylvania Biology Department. Learn how C. sowerbii is related to marine jellyfish, where they live, and what they eat, as well as other aspects of this species' natural history. The site includes a small image gallery, an extensive reference section on the subject, and relevant links to other freshwater jellyfish research Web sites. The authors
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Education Module: Space Technology is Used to Observe and Measure Tectonic Motion of the Earth's Sur
This educational resource, provided by the Southern California Integrated Global Positioning System (GPS) Network, provides instruction, exercises, and projects that illustrate how space technologies are used to predict and measure earthquakes. Using these resources, students can learn about plate tectonics, earthquakes, and satellite technologies. These resources are intended for secondary school or undergraduate students, but the explanations are simple enough that educators of younger childre
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Electric Vehicle History Online Archive
This website is self-proclaimed as the "first online archive created to encourage electric vehicle enthusiasts to help preserve the recent history of electric vehicles." A wide variety of information is presented, ranging from performance data and historical policy documents to retrospective articles and amusing forecasts of electric vehicle technology from decades past. The operators of the archive encourage electric vehicle drivers and enthusiasts to contribute anything they might have to the
Author(s): Kirsch, David A.

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All Catfish Species Inventory
The All Catfish Species Inventory (ACSI) serves to "facilitate the discovery, description and dissemination of knowledge of all catfish species by a global consortium of taxonomists and systematists." Contributed to by ichthyologists around the world, this Web site provides a useful portal to catfish resources and information. Features include a listing of type specimen locations, a guide to current phylogenetic studies and other projects, distribution maps, catfish news and announcements, and m
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TranStats: The Intermodal Transportation Database
Provided by the US Bureau of Transportation Statistics, this site for researchers and analysts, which is aimed at providing "one stop shopping" for transportation data, allows users to search over 100 databases, download data, complete online statistics, and view online maps pertaining to data. Data subjects related to physical science includes energy use statistics, a pollution database, air quality data, emission trends, toxics inventories, greenhouse gases, and more. Although a newer browser
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Australian Biological Resources Study: Flora Online
The Australian Biological Resources Study (ABRS) provides a bounty of biological and taxonomic information regarding Australian plant and fungi species. Acting as a clearinghouse for online information about plants and fungi, ABRS connects to such resources as the Flora of Australia Online, Checklist of Australian Lichens, Interactive Catalogue of Australian Fungi, Census of Freshwater Algae in Australia, and the Australian Plant Name Index. The site also provides a collection of glossaries that
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National Diatom Database
Single-celled diatoms are "powerful indicators of environmental conditions as they respond quickly to environmental changes, and are widely utilized in stratigraphic investigations." The Geological Survey of Canada's National Diatom Database contains two components, the first of which includes about 5,000 diatom samples, their description, and precise geographic location. The second has 1,500 entries that give "information on the environmental and ecological tolerance of individual diatom specie
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Butterfly Cam
This educational Web site about butterflies was developed by a teacher and third grade students at Nassau School in Poughkeepsie, NY. The site includes photos and identifying information of a variety of butterflies found in the New York area, along with many plants that provide an important source of nectar. Students can also learn about the butterfly life cycle, do online puzzles, and view the live Web camera that will feature monarch butterflies this September. The site is easy to navigate and
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National Geographic Xpeditions
"Xpeditions is home to the U.S. National Geography Standards--and to thousands of ideas, tools, and interactive adventures that bring them to life." While the countless lesson plans cover a wide variety of geography-related topics, the ones involving the physical sciences include: Mars Mobiles, Oil and Water in the Middle East, River Sources and Stories, and How are Islands Formed?. The Activities link offers numerous stimulating interactive modules and articles. Because the materials are sorted
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Addison Wesley Longman: Internet Projects for Elementary Statistics
This educational site is suggested as an extension to a statistics text book, but the material is also beneficial as a stand-alone resource. It uses data sources from many other Internet sites to illustrate statistical concepts. In one chapter, for example, trends in the rise of women in the work force are used to show how to analyze wage differences between males and females. In all, there are fourteen chapters that use a similar approach to teach the basics of averages, histograms, confidence
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Treatment of Legacy Materials Using the Melt-Dilute Treatment Technology
The Savannah River Site (SRS) is the location of a government operation that manages US nuclear weapons and related radioactive materials. Ongoing research into safe handling of such materials is an important function of SRS, and this report discusses the Melt-Dilute technology "for the treatment and disposition of aluminum based research and test reactor spent fuel." Each step of the treatment process is described, and it is shown to have applications for a variety of substances. The Melt-Dilut
Author(s): Sindelar, R.,Iyer, I.,Adams, T.

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Internet Culture
Martin Ryder, a technologist, self-proclaimed Luddite, and educator affiliated with the University of Colorado at Denver School of Education has compiled this list of online resources on Internet Culture. The resources are organized by topic areas, which include, for example, history, virtual architecture, Internet communities, psychology, norms, gender, and political structures. The Other Resources section refers to websites addressing issues such as The Digital Divide, a Theory of Technology,
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West Nile Virus
The first Web site (1) is one of the latest entertaining feature stories from the Why Files, which covers mosquitoes and the diseases they carry, including the West Nile Virus. Part of the National Institutes of Health, the National Institute of Allergy and Infectious Diseases provides fact sheets and articles about the virus in this straightforward Web site (2), while a similar Web site (3) from the Centers for Disease Control offers more information about the disease, prevention measures, and
Author(s): Sohmer, Rachel.

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MathPlayer
Math Player is a browser plug-in that supports MathML, an XML-based language used to encode mathematical symbols and equations for displaying on the Web. Developed by Design Science, the software can be downloaded for free at this site.
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Learning about Rainforests
K. Rubal provides this educational Web site she helped to create while a graduate student in instructional technology at California State University in Los Angeles. Designed for grades 4-8, this Web site offers students an introduction to tropical rainforests. The site includes a number of lessons organized by topic, rainforest facts, a good selection of narrated movie clips from related documentaries, useful links, and quizzes. Easy to use and filled with photos, this Web site would be a useful
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University of Wisconsin-Madison Chemistry Department: The Gellman Group
The Gellman Group at the University of Wisconsin-Madison presents its research "focused on understanding the interactions involved in the folding of natural and unnatural amide polymers." After learning the basics of the Group's unnatural amino acids and beta-peptide foldamers work, users can discover its biological applications. The website offers helpful figures to explain the protein-protein interactions and Beta Hairpins and Sheets. Researchers can find downloads to Gellman's numerous public
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Top 20 Activities in Chemistry
At this website, Quia furnishes 20 interactive activities to educate students about chemistry. Students can play matching, word, and concentration games to learn the names and formulas of binary ionic compounds, element symbols, common names of chemicals, and other basic chemistry concepts. The website also offers a quiz about chemical bonds, a chemistry Jeopardy game, a Battleship game about balancing equations, and much more. While users can subscribe to customize the activities, the free acti
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General Interest Publications Online
The US Geological Survey maintains the General Interest Publications Online Web site. The over thirty publications include a range of subjects, with such diverse titles as Acid Rain and Our Nation's Capital; Birth of the Mountains: The Geologic Story of the Southern Appalachian Mountains; Deserts: Geology and Resources; and Eruptions of Hawaiian Volcanoes: Past, Present, and Future. Each attractive document, which can be viewed or printed freely, contains non-technical text and interesting photo
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The State of the Nation's Ecosystems
This Web site is provided by the H. John Heinz III Center for Science, Economics and the Environment -- "a nonprofit institution dedicated to improving the scientific and economic foundation for environmental policy." The State of the Nation's Ecosystems is a comprehensive report prepared by "experts from businesses, environmental organizations, universities, and federal, state, and local government agencies," intended for "decision makers, opinion leaders, and informed citizens who seek an auth
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EDUCAUSE Quarterly
EDUCAUSE Quarterly "is a practitioner's journal about managing and using information resources in higher education." It deals with many issues about implementing information technology (IT) practices as learning tools. The material is suitable for anyone interested in IT applications, but is particularly useful for those who work in computer services or other IT organizational positions. This site offers full text articles from the journal at no cost, and several back issues can be viewed as wel
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