American Urological Association: UrologyHealth.org
Established in 1902, the American Urological Association (AUA) works to "promote the highest standards of urological clinical care through education, research and in the formulation of health care policy." In line with the educational component of its mission, AUA developed this website as an information resource for patients. The website offers sections for both Adult and Pediatric Conditions. These sections provide information about a range of conditions and/or diseases under the broad categor
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Kimball's Biology Pages
Kimball's Biology Pages (first reviewed in the May 9, 1997 Scout Report) is an online biology textbook created and maintained by Dr. John W. Kimball, a veteran biology educator and retired Harvard professor. Dr. Kimball believes that the hypertext format is especially well suited for biological study because its nodal structure better approximates the relationships between biological subjects than a linearly structured textbook. In addition, a hypertext allows for more timely updates concerning
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Cosmochemistry
NASA's Cosmochemistry Program (CCP) assists cosmochemical investigations that involve laboratory studies of extraterrestrial materials, examine the geochemistry solar system bodies, and/or study the formation and development of the solar system. Visitors can read abstracts of the proposals that have been awarded funding. The website offers a detailed strategy for the implementation of the program, which includes discussions of the facilities and methods, demographics, management, and challenges.
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Soap and Bubbles
The first Web site, from The Soap and Detergent Association, is called Soaps and Detergents (1). Visitors learn about the chemistry of soap and detergent, their history, how they're manufactured, and more. The easily read text and fun illustrations make this site a great place to start for this topic. The next site, called Bubble Engineering (2), is provided by Bubble Town. The page describes the physics of a cone-shaped bubble blowing device and how its shape reduces the velocity of air being b
Author(s): Brieske, Joel A.

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International Association of Sedimentologists
"The International Association of Sedimentologists (IAS) was founded in 1952 with the goal to promote the study of sedimentology and the interchange of research, particularly where international cooperation is desirable." The website provides visitors with the association's monthly newsletter, which discusses conferences, recent studies, workshops, and more. Students and educators can learn about and view the beautiful sedimentological exposures in Arizona and Utah. PhD students can find informa
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Database of Zeolite Structures
The Database of Zeolite Structures is provided by the Structure Commission of the International Zeolite Association. Links include an Atlas of Zeolite Framework Types, Collection of Simulated XRD Powder Patterns for Zeolites, Catalog of Disordered Zeolite Structures, Schemes for Building Zeolite Framework Models, and Zeolite Structure References, as well as various publications. The database can be searched or browsed, and contains several useful tools such as the "input your data" link, which a
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The TOPEX/ Poseidon Kids Page
In an effort to disseminate information from the TOPEX/ Poseidon satellite project, the Center for Space Research and the Texas Space Grant Consortium have developed the TOPEX/ Poseidon Kids Page. This online activity for younger students explains through simple descriptions and fun illustrations how the satellite measures the height of the ocean. Additional pages include an online quiz, a downloadable coloring book, an Ask a Scientist section, and other relevant facts and information.
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Operation Migration
Operation Migration, a nonprofit conservation organization dedicated to teaching safe migratory routes to endangered and threatened birds, was co-founded by William Lishman -- the pilot who pioneered the use of ultralight aircraft to lead birds in flight. Operation Migration is part of a consortium created to safeguard the endangered Whooping crane against extinction. Visitors to this Web site can track the progress of seven ultralight-led Whooping cranes now making their way from Wisconsin to F
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The Chesapeake Bay Program
This Web site is the online presence of the Chesapeake Bay Program, "a unique regional partnership that has led and directed the restoration of the Chesapeake Bay." The site offers a wealth of information regarding the region's flora and fauna, habitats and ecosystem processes, restoration efforts, current events, and much more. For instance, click on Animals and Plants to access pages and pages of well-organized information about the area's shellfish, reptiles, mammals, insects, bay grasses, in
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Design of a Primitive Nanofactory
This 86-page paper, published in October 2003, was written by the Director of Research at the Center for Responsible Nanotechnology. He proposes "an architecture for combining large numbers of programmable mechanochemical fabricators into a manufacturing system, or nanofactory, capable of producing a wide range of human-scale products." Rather than calling for the development of entirely new technologies, the author attempts to describe a system that can be built with current engineering practic
Author(s): Phoenix, Chris

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Dealing with Waste: The Nuclear Debate
Developed by the Industry Supports Education initiative (ISE), this website allows teenagers to take part in an online debate about how to cope with nuclear waste and whether and how nuclear power should be used in the future. During the debate, the user has a discussion with a virtual devil's advocate (DA). Visitors can either take the role of being in favor of nuclear power or against nuclear power. After the DA makes a statement, the user selects a response that most closely matches his or he
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Rewind, Repair, Replay: Three R's to Dependability
One of the most important features in current software applications is the undo command, which allows users to revert to previous states in their documents. A relatively unexplored concept involves system undo, a method of restoring settings in a system that were accidentally changed by the operator. This research paper discusses "a model of undo that matches the needs of human error recovery and retroactive repair." The authors begin by explaining the growing importance of such a mechanism and
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A Calculus Review
A professor of mathematics at San Jose State University created this online review of calculus concepts. It is divided into three main categories: integration, derivatives, and limits. Each section begins with some review material, explaining the necessary rules and equations. After reading the review, users can then take an interactive quiz over what they just learned. There is one quiz on limits and two on derivatives. The integration section is a bit more in depth, with focuses on two differe
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MIT Space Systems Laboratory
Massachusetts Institute of Technology (MIT) created the Space Systems Laboratory (SSL) in 1995 to engage in "cutting edge research projects with the goal of directly contributing to the present and future exploration and development of space." Users can find materials on current and past flight projects such as the Synchronized Position Hold, Engage, Reorient Experimental Satellites (SPHERES) and the Interferometry Program Experiment (IPEX). The website also features SSL's ground programs and re
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The Antlion Pit: A Doodlebug Anthology
This Web site, edited by Mark Swanson, is "a collection of resources related to the fascinating antlion, or doodlebug." In addition to providing general information about antlions, this site contains "videos of antlion feeding behavior and metamorphosis, as well as information on how and where to find antlions." Frequently updated, the site recently added the Doodlebug Oracle, which answers randomly generated questions about antlions. All together, this Web site provides a fun and informative lo
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Museum of Southwestern Biology: Mammals
The Mammal Collection at the University of New Mexico's Museum of Southwestern Biology (MSB) "contains over 118,000 specimens, mostly from the southwestern United States, Mexico, Central and South America, but there are also large holdings from other portions on North America, Japan, Africa, and Eurasia." MSB offers a searchable database of the Mammal Collection with search fields for Order, Family, Species, Continent/Ocean, Country, Sex, Season, and more. MSB specimen loans are available to "re
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Menopausal Hormone Therapy
The National Institutes of Health (NIH) provides this compilation of Web links for important information on the risks and benefits of hormone replacement therapy. The links lead to relevant NIH Web pages, including the most current NIH research on the subject. Topics covered range from NIH's Women's Health Initiative estrogen/ progestin hormone therapy study to the use of black cohosh as an alternative therapy to osteoporosis and ovarian cancer. A useful and well-organized resource.
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NOVA: Battle of the X-Planes
First aired on February 4, 2003, Battle of the X-Planes looked at the development of the Joint Strike Fighter (JSF). The JSF is intended to be the next-generation military jet for the US, and Boeing and Lockheed Martin are vying to have their respective version chosen by the government. This is the companion site to the NOVA episode. Many interactive features, interviews, and articles attest to the sheer magnitude of the project. One section of the site explains the many design decisions that ne
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Physical Science Lessons
The Southeastern Michigan Math-Science Learning Coalition offers a number of lesson plans in physical science for levels from early elementary through high school.
Author(s): Reach Out! Michigan

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Compound Independent Events
Compare the theoretical and experimental probabilities of compound independent events by drawing colored marbles from a bag. Record the results of successive draws with or without replacement of marbles to calculate the experimental probability.
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