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Illinois Natural History Survey Mollusk Collection
The Illinois Natural History Survey (INHS) "Mollusk Collection contains over 105,400 catalogued specimens, most of which were collected in Illinois and the southeastern United States. The collection is 90% freshwater species (mussels, fingernail clams, and snails) and 10% terrestrial species (snails)." This INHS website allows visitors to search the Mollusk Collection Database and offers search fields for Genus species, Stream, Drainage, County, State, Year, and more. The site also links to cont
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The New Zealand Geographic Place Names Database
The New Zealand Geographic Place Names Database, offered by Land Information New Zealand, contains more than 40,000 official and non-official place name entries from the mainland of New Zealand. Searches can be done by partial name or by location; results yield a description of the place (such as a beach or hill), its district, and its latitude/longitude. Additional searches can also be done to include all place names surrounding an area. Although intended to assist in the production of core top
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Coatings Guide
The Coatings Guide is a comprehensive source of information and utilities regarding low-pollution coating technologies. The Guide is maintained by the Research Triangle Institute in cooperation with government environmental agencies. Coatings for plastic and metal substrates are currently the focus of the site; however, an architectural section is under development that will include wood and concrete coatings. An Expert System tool recommends coating alternatives, while a cost tool determines th
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World's Largest Math Event
April is Mathematics Education Month, and the National Council of Teachers of Mathematics will celebrate with the eighth annual World's Largest Math Event (WLME). The WLME Web site has activities from all eight of the events, which are suitable for grade school teachers to introduce in their classes. This year's WLME theme is Entertaining Mathematics; previous years' themes include Animals As Our Companions, The Power of Nature, and Math Olympics. The activities given on the site use mathematics
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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
Author(s): Leske, Cavin.

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World Soil Resources Map Index
From the US Department of Agriculture's office of Natural Resources Conservation Service, the World Soil Resources Map-Index Web site contains nineteen global maps as well as several regional and country maps related to soil. The global maps include such topics as Global Soil Regions, Soil Temperature Regimes, Water Holding Capacity, and Wind Erosion; the regional maps contain information from Afghanistan, Africa, Albania, Lithuania, and Indonesia. Each map contains information on its specificat
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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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The Journey Inside
The Web designers at Intel did a tremendous job when designing The Journey Inside, a Web site on computer and Internet-related technologies. Six sections offer interactive lessons, video demonstrations, and interesting stories about fundamental concepts. The first section provides a general introduction to computers. Next is an informative overview of Circuits and Switches, followed by a discussion of Digital Information storage and analysis. Microprocessor basics, the Internet, and Technology a
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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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Stanford University Medical Center: Ovarian Kaleidoscope Database
The Ovarian Kaleidoscope Database (OKDB) was developed by the Hsueh Lab in the Department of Gynecology & Obstetrics at Stanford University Medical Center. The OKDB "provides information regarding the biological function, expression pattern and regulation of genes expressed in the ovary. It also contains information on gene sequences, chromosomal localization, human and murine mutation phenotypes and biomedical publication links." Database users can conduct a Gene Search, or browse an extensive
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Wolfram Research's Mathematical Functions
Wolfram Research, the maker of the popular software Mathematica, recently added a comprehensive database of mathematical functions to its Web site. Currently, there are over 37,000 formulas that can be browsed alphabetically or divided into fourteen categories. Documents explaining general identities and notations used on the site are also available; however, users must sign the guestbook before they can be viewed. Wolfram Research hopes eventually to add a history section for many of the functi
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MathFROG
MathFROG stands for Math Fun, Resources, and Online Games. The games and resources available here were developed by a team at the University of Waterloo and are intended for students in grades four, five and six. The lessons are self-contained, combining online mathematics games or technological tools with appropriate paper-and-pencil follow-up exercises, which can also be downloaded free of charge. Each lesson lasts about 45 to 60 minutes and includes information on the related Ontario curricul
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Motion System Design Online
While this site is considered a news source, it is perhaps best used as an educational reference for mechanical engineering topics. A very interesting section called Brushing Up is periodically updated with a new article describing one of the "core principles governing physics and the laws of motion." Fun with Fundamentals is another feature geared mainly for high school students. Here, a challenging problem is proposed, and the user must solve it. The solution to the problem is given in the fol
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EDTech: National Study of the Effectiveness of Educational Technology Interventions
This website presents findings from an ongoing study of the effectiveness of educational technology in improving student academic achievement and conditions and practices that are related to the effects of educational technology. The National Study of the Effectiveness of Educational Technology Interventions is funded by the Department of Education's Institute of Education Sciences and is being conducted by Mathematica Policy Research, Inc., and its subcontractor, SRI International. The three-ye
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A Net Meltdown is Inevitable
On October 22, 2002, an attack on the thirteen servers that act as the backbone of the Internet was carried out, briefly disabling nine of them. This drew attention to the often criticized organization that operates these servers, the Internet Corporation for Assigned Names and Numbers (ICANN). This news article argues that bad practices and insufficient safety precautions of ICANN may soon lead to a more successful attack, one that could cripple the Net. It also stresses the importance of refor
Author(s): Alberti, Bob.

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Nærfoto: The Visual Impact of Nature
This free, non-commercial website was created by professional nature photographer and former aquatic ecologist Bjørn Rørslett to exhibit his remarkable photographic work. A stand-out section of the website, titled Flowers in Ultraviolet, provides a glimpse into the visual world of pollinators by displaying fantastic ultraviolet and visible light images of different flower species. The website also contains some intriguing images featuring frogs, plants in urban settings, aquatic species, w
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University of California, San Diego: Advanced Energy Technology Group
The Advanced Energy Technology Group at University of California, San Diego "focuses on the exploration and application of advanced technologies to improve the economic and environmental attractiveness of emerging energy sources, including fusion, advanced fission, renewables and energy efficiency." The website divides the descriptions of its many projects into four categories: Inertial Fusion Energy, Fusion Power Plant Studies, Laser-Matter Interactions, and Thermal Sciences. In the Library lin
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SuperWASP: Wide Angle Search for Planets
"SuperWASP is the UK's leading extra-solar planet detection program comprising of a consortium of seven academic institutions." The website presents how SuperWASP works through clear text and helpful images. Researchers can find technical information on the Torus Fork Mount, CCD Cameras, and the Enclosure. Students and educators can discover the common techniques the Program uses to detect exoplanets such as pulsar timing and photometry. The website offers a gallery of images, the latest Program
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Extrasolar Visions
The Extrasolar Visions Web site provides a searchable guide to extra solar planets. These include planets of normal stars, pulsar planets, brown dwarfs, protoplanetary disks and protoplanets, extragalactic worlds, massive compact halo objects, and disproven or doubtful worlds. Visitors can search for these objects or view the week's 20 most popular systems, 20 most interesting systems, or the 20 most recently updated systems. Once chosen, the objects name, mass, average distance, and type is giv
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Igneous, Metamorphic, and Sedimentary Rock Info
Igneous, Metamorphic, and Sedimentary Rock Info, is part of the University of British Columbia Introduction to Petrology course Web site. Visitors can learn the basics of petrology, and the specifics about each individual rock type. For example, the sedimentary rock page gives definitions, normal constituents, limestone and dolostone facts, and siliciclastic rock information. One of the highlights of the site lets users go through the process of rock classification by determining its grain size,
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