http://www.pbs.org/wgbh/nova/tornado/

At this web site, NOVA features articles, interactive activities, and other resources about tornados in the United States. Users can learn why the United States is home to about three-fourths of all tornados worldwide. A fun interactive module allows users to access and rate the strengths of tornados based on images of destruction. Thomas Grazulis presents an article detailing the destruction of a 1928 tornado, which will make everyone appreciate the advances meteorologists have made in tornado forecasting. Users can learn how conventional building practices and sprawl may increase tornado disasters through an interview with Tim Marshall. With its amazing images and fascinating articles, everyone will enjoy this website. [RME]

http://www.magnetism.org/index.html

The 49th Conference on Magnetism and Magnetic Materials assembles scientists interested in the newest developments in fundamental and applied magnetism. Researchers can learn about abstract submissions, presentations, conference registration, and other necessary information. The website supplies a lengthy list of subjects covered at the conference which include structured materials, magnetic recording, and magnetoelectronic materials. Students can discover travel grants and award opportunities. While not yet available, the website promises to release information on invited speakers and an exhibitor brochure soon. [RME]

http://www.karstwaters.org/index.htm

The non-profit Karst Waters Institute's (KWI) "mission is to improve the fundamental understanding of karst water systems through sound scientific research and the education of professionals and the public." Users can download a few of karst documents that are part of the Institute's national karst library. Students and educators can find a tutorial about the characteristics and importance of karst landscapes. Researchers can learn about previous and upcoming KWI conference. Students can find out how to apply for the William L. Wilson Scholarship. With its extensive list of links and bibliography of important references, anyone interested in karst and cave geology will find this website helpful. [RME]

http://www.nrao.edu/

The National Radio Astronomy Observatory (NRAO) "operates powerful, advanced radio telescopes spanning the western hemisphere." The website is nicely divided into information for the general public, astronomers, and teachers and students. Users can learn all about NRAO's many telescopes located throughout the United States. Researchers can find out about meetings, conferences, software resources, and surveys. Amateur radio astronomers can find links describing how to build antennas and interferometers. Everyone will enjoy the numerous images of astronomical phenomena and NRAO's telescopes and facilities. [RME]

http://www.sas.org/

The Society for Amateur Scientists created this website to present its goal "to create unique collaborations between world-class professionals and citizen scientists and to remove the roadblocks that prevent ordinary people from participating in extraordinary science." The website features The Citizen Scientist, a weekly publication presenting news and projects from amateur scientists. Students can learn about the educational program, LABRats. Photographers can submit interesting images to the Society' Gallery. With so many tools and resources, everyone interested in science should visit this website. [RME]

http://www.agiweb.org/

The American Geological Institute (AGI) created this website to promote its work dedicated to geoscientific services and outreach. The Information Services provides users with information on data repository systems and the GEoRef database. Students and educators can learn about professional development, conferences, scholarships, and more. The website provides action alerts, discussing key issues affecting geosciences in the federal government. Scientists can find a helpful human resources guide discussing geoscience careers and educational departments. [RME]

http://www.chemistry.org/portal/a/c/s/1/acsdisplay.html?DOC=oca%5cearthday%5cindex.html

The American Chemical Society discusses how chemists are celebrating Earth Day this year. Users can learn how to take part in the 2004 Unifying Event - Testing the pH of Rain Water. Kindergarten through twelfth graders can find out about the music video contest where they are asked to illustrate contributions chemists have made to water chemistry and the environment. Educators can find numerous classroom activities, publications, and other resources to teach their students about water. Chemists looking to become involved in Earth Day should visit this website. [RME]

http://sundials.org/

The North American Sundial Society (NASS) is "interested in the study, development, history, and preservation of sundials and the art of dialing throughout the continent." Users can find applets that display the daily and annual paths of the sun and moon. The NASS message board allows sundial hobbyists the chance to correspond with each other. The website provides an extensive list of the sundials located throughout the United States. Anyone interested in the science and art of sundials will find interesting materials at this website. [RME]