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The Whyfiles Spring Break Edition: Bad News on Skin Cancer
You are unlikely to meet anyone these days who has never heard that UV radiation from the sun can cause skin cancer, but scientific inquiry into this unfortunate fact is far from over. This Whyfiles feature offers an in-depth explanation of the sun-skin cancer connection, beginning with a highly readable, explanatory introduction to UV radiation, forms of skin cancer, and the ozone layer. This background information sets the groundwork for the next section, an intriguing look at epidemiological
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Teach-nology: Science
Teach-nology.com is "intended to bring educators into the world of teaching with technology...by providing links to valuable and useful information relative to current and best practices in the field of education." Visitors will find the links categorized by subject, including archeology, astronomy, chemistry, earth science, lesson plans, physics, sites to use with students, and several others. Each of these subjects then include several subcategories, listed along with brief descriptions of wha
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Stem Cell Task Force
This Web site from the National Institutes of Health (NIH) provides an overview of the activities of an NIH task force established to move the stem cell research agenda forward. The section titled Scientific Research may be of particular interest to researchers in this area. It provides links to the Web sites of stem cell-related research at a number of NIH institutes, as well as an extensive information index, a FAQs page about stem cell research, information on funding opportunities, and much
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ANWR Technology
Drilling for oil in the Arctic National Wildlife Refuge (ANWR) in Alaska has been a topic of debate for many years. Although initial exploratory drilling has not yet been authorized by the government, this site presents some technologies that could eventually be used to find and extract oil without damaging the land. Nine articles describe different drilling methods, spill prevention tactics, exploration techniques, and more. One topic is 3D reflective seismic technology, which is used to help a
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Science North: Learn and Play
Science North Museum is self-described as creating high quality science education and entertainment experiences for its visitors. The Learn and Play portion of the accompanying Web site contains a Cool Science link with a wide variety of activities including an interactive stargazer and solar system, science quizzes, a reflex tester, a geology exploration activity, and more. Other links on the Learn and Play page include descriptions and movies, additional recommended science links, and Web cams
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Plants in Motion
Roger P. Hangarter of Indiana University's Department of Biology has created this wonderful collection of time-lapse photography that allows us "to see the movements of plants and clearly demonstrates that plants are living and capable of some extraordinary things. " The videos available show a broad range of plant growth phenomena, including germination, circadian responses, phototropism, and much more. The movies are fun to watch in and of themselves, but don't miss out on the informative desc
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Come Grow With Us
This is an online collaborative project from the Lakeland Central School District that allows students to observe the process of a seed becoming a plant, collect data, and communicate results with other participating classrooms. Teachers can register their students to participate in the activity this fall, or simply use the lesson plans independently. The site is well organized, provides information in a simple format, and outlines the educational standards addressed by the project.
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CSU Engine Web Pages
This resource on internal combustion engines comes from a mechanical engineering professor at Colorado State University. It is essentially an online textbook with three main chapters, which cover the topics of thermodynamics, heat transfer, and fluid mechanics involved in engine operation. Users should have an understanding of basic engine components, and a background in calculus would be helpful. Some of the material is fairly conceptual, while other parts involve analytical derivations. Many s
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World AIDS Day 2004
From the Joint United Nations Programme on HIV/AIDS, this website provides information and images related to Worlds AIDS Day 2004. Notably, the site contains a downloadable version of the _AIDS Epidemic Update 2004_, which "provides the most recent estimates of the epidemic's scope and human toll, explores new trends in the epidemic's evolution, and features a special section on women and AIDS." In addition, site visitors can download a set of eleven epidemiological PowerPoint slides based on th
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Soil Association
Since its inception over a half century ago, the Soil Association has "been working to raise awareness about the positive health and environmental benefits of organic food and farming and supporting farmers in producing natural food consumers can trust." Originally formed by a coalition of inspired scientists, nutritionists, and farmers, the Soil Association is now the leading organic farming and food certification and campaigning organization in the United Kingdom. Although primarily geared tow
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The Messier Catalog
The Students for the Exploration and Development of Space of the University of Arizona maintains The Messier Catalog Web site. Named after the French astronomer who first discovered the objects, the catalog describes and features what are considered to be some of the most beautiful nebulae, star clusters, and galaxies in the sky. Visitors can read about Messier and about each individual object in the actual catalog, which includes a picture, its distance, brightness, the history of its discovery
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Dialogue for Kids Wild About Bears Sleepy Bear Lesson Plan
Each winter, bears hunker down, slow their metabolisms, and pretty much wait out the winter in the safety of some sort of den. This lesson plan, from Idaho Public Television, is a fun way to illustrate to children (probably elementary grades primarily) the process of hibernation. At this site, educators are given the complete lesson plan instructions as well as several links to all sorts of great resources, including links to information on: Bear Diet, Home Range, Reproduction, Bear Research, Pe
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Seaworld: Water
An educational lesson plan entitled Water is offered by the Seaworld teacher resources Web site. Objectives of the unit include having students identify the three phases of water, discuss the hydrologic cycle, describe the structure of the water molecule and the properties of water, explain ocean currents, and more. The well designed lesson allows students to study various topics by reading provided text and completing the activities described such as measuring salt content in water and estimati
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Highlight of Biochemistry: Molecular Structures Made Visible
This Web site from the University of Hamburg Faculty of Biology offers useful three-dimensional images of molecular structures, many of them animated. The dozens of images included in this site should help visual learners understand molecular structure and function in a number of contexts, including virology, immunology, neurology, photosynthesis, genetics, and more. Detailed descriptions and related information accompany each image. This Web site also provides links to three tutorials covering
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Insecta Inspecta World
Insecta Inspecta is the result of an interdisciplinary program at Thornton Jr. High School under the review of the Smithsonian's National Museum of Natural History. This Web site offers a fun way to learn about insects and other arthropods, and does a great job of placing these bugs in a larger cultural and historical context. In addition to providing a solid introduction to insects and arthropods, this site includes quirky trivia and entertaining audio and movie clips. For instance, visitors ca
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Bing & Bong's Tiny Planet
The Bing & Bong's Tiny Planet website, a supplement to the educational television series, offers excellent science activities, games, and online books for small children. Users can sail around the planet to learn about wind, read an online story to discover space, take an adventure through the water cycle, and much more. Visitors can also learn the essentials of colors, shapes, and light through short videos and interactive modules. The colorful website offers a great way for children to begin l
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The NBN Gateway
Several British conservation and natural resource organizations have collaborated to form the National Biodiversity Network (NBN), a network of biodiversity data. After the free registration, users can access the NBN gateway, which hosts a large variety of datasets that can be navigated by species name or site location. Results allow users to view 10km distribution maps of the selected species. This site encompasses a large amount of data on species distribution in Britain; however, some of the
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Air pollution
Air pollution is a growing problem today. This lesson plan is designed to teach students about the problem, its effects on our environment and health and the latest methods designed to combat air pollution. The objectives of this lesson are (1) to define air pollution, (2) to identify major causes of air pollution (e.g., automobiles, burning garbage, electric power plants emissions, industrial boilers and certain consumer products), (3) to identify the effects of air pollution (health effects in
Author(s): National Reformulated Gasoline Hotline

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Teacher's guide to the infrared
This is a page from a larger website, Seeing our World Through a Different Light, sponsored in part by NASA. This page contains side by side standard and IR photos to illustrate how IR photos show heat. It describes and compares visible light and infrared light. An explanation, accompanied by photos, of how infrared cameras work is also provided.
Author(s): Linda Hermans-Killam

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Cool Cosmos

Keeping Cool at Deep-Sea Vents
This Astrobiology Magazine article reports that a research team of marine scientists has determined that water chemistry controls the location and distribution of two species of weird worms inhabiting deep-sea hydrothermal vent sites: the tubeworm (Riftia pachyptila) and Pompeii worm (Alvinella pompejana). The article includes color images of the worms and monitoring equipment, links to related web pages and other astrobiology resources, and an MP3 machine text-to-speech function.
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Astrobiology Web Copyright 1999-2004 SpaceRef Interactive Inc. All rights reserved. SpaceRef respects the intellectual property of others, and we ask our users to do the same. If you believe that your

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