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Catalogue of New World Grasses
This website was developed by agrostologists from several institutions to present the Catalogue of New World Grasses (CNWG). CNWG is "an on-going project to database ...and link all nomenclature, types, synonymy, current taxonomy, and distribution for grasses occurring from Alaska and Greenland to Tierra del Fuego." CNWG uses TROPICOS and provides a search mechanism whereby one can enter scientific names and receive current information on his or her entries. CNWG also offers three indices-Accept
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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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A Thin Blue Line: The History of the Pregnancy Test
In today's world, the test for pregnancy is only a pharmacy, and minutes, away. This wasn't always the case, however. Until 1978 no definitive means existed for at-home pregnancy testing. This site, from the National Institutes of Health, traces the history of the test back to its earliest roots at NIH. The site includes historical information on the early Egyptian practice of women urinating on wheat and barley to the more modern research into human chorionic gonadotropin (hCG), the so-called p
Author(s): Leavitt, Sarah A.

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Skulls
The California Academy of Sciences (last mentioned in the July 5, 2002 Scout Report), offers this well-designed and comprehensive Web site about skulls. Visitors will learn about skull structure and function, skull diversity, the living tissue associated with bones, and the role of the academy's skull collection in scientific research. This Web site is made especially appealing by its liberal use of sharp, well-presented skull photos. Many of the images can be rotated for a full 360 degree view
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Lamington National Park
To see the "dangerously venomous" Common Death Adder or hear the low growl of the Giant Barred River Frog, take a trip to the Lamington National Park website. Here you will find a treasure trove of great information about the wide variety of plants, animals, and insects found at the park. Laminton, a huge park (20,000 hectares) is located in Queensland and carries the distinction of a World Heritage Area. The website, offered by the Green Mountains Natural History Association and the University
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Forever Wild?
Forever Wild? is a recently aired episode of Scientific American Frontiers on PBS. This companion Web site provides loads of online features relating to the program, which explores how scientists are scrambling "to understand the intricate natural systems on which all life depends -- before it's too late." The Teaching Guide includes two downloadable lessons and a quiz intended for grades 5-8. In the first lesson, students study the effects of biological processes on a closed system while germin
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Microbiology Current Issues: Water Quality
This well-designed Web site from the American Society for Microbiology offers a comprehensive introduction to microbial contamination of the water supply. Visitors to the site will find information on water-borne pathogens and the diseases they cause, where our drinking water comes from, how water becomes contaminated, scientific advances that could make our water supply safer, and much more. The information in this Web site is clearly explained and does not require an active interest in microbi
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IBM Archives
IBM is one of the most recognizable names in the computer industry, with a history that spans over a century. The IBM Archives is an online repository of information that tells the story of how the company began and how it has evolved. Possibly the best way to learn about IBM's roots is to browse the archive's main exhibit, which takes the user on a year-by-year tour of inventions and major business dealings since 1900. A collection of historic documents is also offered, describing landmark comp
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Human Embryology Animations
One of the most impressive ways to learn about biology, particularly that which we seldom see, is through modeling. Dr. Valerie O'Loughlin and her colleagues at Indiana University have created this thoroughly impressive set of animations so that "students could better understand the complex processes that must occur in embryologic development." The site is arranged into five main areas, including: Cardiovascular Embryology, Development of the Head and Neck, Gastrointestinal Embryology, Developme
Author(s): O'Loughlin, Valerie

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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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The Color of Water
Provided by WebExhibits.org, the Why is Water Blue? (1) Web site starts off this Topic in Depth. Visitors will learn the factors that affect the colors we see, what color water actually is, and the basic physics and chemistry behind the phenomenon. This site is hard to beat for its clear explanations as well as its interesting photographs and illustrations. The second site, entitled the Common Water Quality Complaints Color Guide (2), gives possible sources of nineteen color variations in water.
Author(s): Brieske, Joel A.

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Cell Membranes Tutorial
New from The Biology Project of the University of Arizona, this online tutorial "introduces the dynamic complexes of proteins, carbohydrates, and lipids that comprise cell membranes," and relates how membranes "are important for regulating ion and molecular traffic flow between cells." Each section of this Web site takes the form of a multiple choice question. Answer the question correctly, and a brief explanation of each answer choice will be displayed. Answer the question incorrectly, and a sh
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The Algodones Dunes, California
The Center for Biological Diversity blends "conservation biology with litigation, policy advocacy, and an innovative strategic vision" in efforts to protect endangered species and wild places, focusing on the western US. This Web site contains a slide show of images from the Algodones Dunes, California's largest dune system. The fourteen slides show images of the area's natural history and environmental threats, such as effects from off-road vehicles. Each slide is accompanied by a brief descrip
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Animal Info
This impressive source for information about endangered mammals is the result of more than a decade of research by Dr. Paul Massicot, who spent 30 years working at the Maryland Department of Natural Resources. Site visitors can locate specific endangered species by browsing the Individual Species Index (either by common or scientific name). The species pages contain references, images, and concise information about population estimates, birth season, density and range, habitat, diet, and more. V
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Fuel Cell Today
Fuel Cells Today is a useful online resource with a very diverse range of materials about fuel cell technology. Possibly the most interesting part of the site is the Reference Centre, where users can find information on different types of fuel cells, their applications, history of their development, possible materials to use in their design, and more. All educational and technical descriptions are intended to promote the global adoption of fuel cells as a clean, efficient energy source. There is
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Teach R Kids Math: Math for Elementary School Kids
Teach R Kids Math is a Web site with a large assortment of interactive lessons that demonstrate basic mathematical concepts. The material ranges from basic counting for preschoolers to more advanced topics for elementary school students. Online worksheets help children practice multiplication and division, rounding, fractions, number sequences, and much more. Some of the activities are timed, which allows the child to see his/her improvement. The site "has been designed by children and adults,"
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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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An Atlas of Cyberspaces
"CyberGeography is the study of the spatial nature of computer communications networks, particularly the Internet, the World-Wide Web and other electronic 'places' that exist behind our computer screens, popularly referred to as cyberspace." The Atlas of Cyberspaces highlights many efforts from around the world to visualize this type of information. Some of the features have links to download software tools, like an experimental browser that portrays Web sites as three dimensional buildings (the
Author(s): Dodge, Martin, 1971-.

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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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Welcome to the Web
Welcome to the Web is a great place to learn the basics of using the Internet and the World Wide Web. It is tailored to children, but if inexperienced adults can get past the cartoon drawings, anyone can benefit from the site. The first section provides an overview of the Internet and some terminology. Next is a section on guestbooks, followed by an overview of Web browsers. "Searching the Net" and research techniques comprise the last two sections. Each category consists of several interactive
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