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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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EROS: The Extremely Reliable Operating System
The Extremely Reliable Operation System (EROS) "is a capability-based operating system designed to support the security and reliability needs of active systems." The EROS homepage has documentation about the system's development and principles, as well as source code and links to download the software. Developers will find tutorials, installation instructions, and manuals on programming for EROS. John Hopkins University and the University of Pennsylvania are the two main contributors to the proj
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jRoundup
Whether you are looking for programming help or just browsing for applications, jRoundup has Java resources for everyone. The site offers special weekly features chosen from the best material on the Net. For Java applets and utilities, check the grab it section, which has links to hundreds of useful tools in a wide range of categories. If you are a Java novice, the learn it section lists many tutorials and guides to suit your needs. jRoundup hosts discussion forums for several topics to promote
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Structurae: International Database and Gallery of Structures
Structurae is the International Database and Gallery of Structures. The information contained on the site is primarily aimed at civil engineers and architects; however, anyone with an interest in modern or historical structures should definitely review it. More than 3,000 structures are listed in the database, including facts about materials used in construction, size, date started, and date completed. Many of the entries also have photographs of the location. You can sort the structures by type
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Digital Signal Processing Tools
A collection of seven Java applets and associated tutorials are available on this site from the Signals and Systems Group at the University of Edinburgh. The tools illustrate various concepts of digital signal processing, like convolution, correlation, the Fourier transform, and discrete-time applications of each. Seven other applets that demonstrate more advanced concepts are also available, but no documentation or explanation accompanies them. A few conference publications and reports related
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MayoClinic.com: Diseases & Conditions
Hosted by MayoClinic.com, this helpful website offers information about a wide range of diseases and other medical conditions from scientists and physicians at the noted Mayo Clinic in Rochester, Minn. The website offers overviews of a plethora of diseases and conditions including Diarrhea, Alcohol Addiction, Carpal Tunnel Syndrome, and Whooping Cough, to name just a few. The overviews contain concise sections addressing Signs and Symptoms, Causes, Prevention, Treatment, When to Seek Medical Adv
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Worldwide Ocean Optics Database
Created and maintained at the Johns Hopkins University Applied Physics Laboratory, the Worldwide Ocean Optics Database (WOOD) contains several hundred datasets, gathered over time from much of the world's oceans, specifically on optics. The data can be searched via an applet or a text-based query system that includes parameters such as date, depth, salinity, upwelling radiance, turbidity, secchi depth, and many more. The site provides several downloadable software programs that allow users to fu
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Hydroelectric Dams
Although hydroelectric power represents a relatively small portion of the world's energy resources, it is still an important commodity with great potential. To harness hydropower, civil engineers must design dams that convert the kinetic energy of water into electricity.The fundamentals of general-use dams are discussed on the home page of the US Society on Dams (1). Besides providing brief background information, there are a few examples of the benefits of dams to society. For a much more techn
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Global Volcanism Program
Maintained by the Smithsonian Institution's Museum of Natural History, the Global Volcanism Program "seeks better understanding of all volcanoes through documenting their eruptions--small as well as large--during the past 10,000 years." The extensive Web site contains up-to-date and archived information about volcanic eruptions in the form of short reports from local observers. A large amount of additional information about volcanoes around the world is available, making it an indispensable sour
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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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EuroTurtle
The award-winning EuroTurtle website, which provides information about the biology and conservation of sea turtles, is supported by Exeter University, King's College Taunton, and the Mediterranean Association to Save the Sea Turtles. EuroTurtle provides students and others with opportunities to learn about sea turtle skeletons, life cycle, classification, species distribution, and more. The website also offers a traditional Scientific Key, and a more basic Graphic Key, for identifying sea turtle
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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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zeroBio
Elliott Kimmel may have created zeroBio for the students of London, Ontario's Central Secondary School, but high school biology students anywhere would benefit tremendously from a visit to this extensive collection of biology learning resources. In addition to functioning as an online biology textbook, zeroBio offers dissection photos for a number of specimens, multimedia presentations, self-quizzing flashcards for organic chemistry, downloadable worksheets, interactive quizzes, games, puzzles,
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American Bird Conservancy
The American Bird Conservancy (ABC) is a nonprofit organization working to "conserve wild birds and their habitats throughout the Americas." The ABC website provides informative and useful features such as the Bird Conservation Directory, a searchable directory of contact information for professionals engaged in bird conservation throughout the Americas, and the downloadable Birdwatcher's Guide to Global Warming (last mentioned in the June 28, 2002 NSDL Scout Report for the Life Sciences). The s
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Physicians for Social Responsibility: MercuryActionNOW
MercuryActionNOW is an "online resource created by Physicians for Social Responsibility (PSR) to provide health care professionals and concerned citizens with information about the effects of mercury emissions on public health." The website is full of links to reports, fact sheets, letters, and other websites regarding mercury-related pollution and health issues. Examples include a downloadable Salmon Contaminant Factsheet; the Environmental Protection Agency's Mercury website; the CDC's Second
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Molecular Monte Carlo Home Page
The Department of Chemical Engineering and Department of Chemistry of the Cooper Union for the Advancement of Science and Art maintain the Molecular Monte Carlo Home Page. For those unaware, Monte Carlo refers to the use of "random walks" (stochastic methods) to simulate and analyze molecular systems. The main page contains descriptions of the various types of Molecular Monte Carlo such as classical, quantum, and volumetric; links to Monte Carlo tutorials including simulation basics and stochast
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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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