Antarctica Online is a comprehensive site covering science and research on the continent of Antarctica. Along with educational materials about this continent, the site contains Frequently Asked Questions (FAQs), weekly updates from stations, recent news, details about each Australian research station (Mawson, Davis, Casey, Macquarie Island), environmental information, the downloadable Australian Antarctic ... Full description.

This Exploratorium site provides the latest information about the two Mars rovers landing on Mars in 2004. It includes resources about the search for life on Mars, the Martian environment, and the mechanics of the Mars rovers themselves. Hands-on activities and a live webcast are also provided. Full description.

These podcasts (RSS feeds) are published by the National Aeronautics and Space Administration (NASA). Topics include lunar and planetary science, NASA missions, solar science, physics and astrophysics, space technology, and many others. Older podcasts dating back to 1996 are archived, and Spanish translations are availble for some. The podcasts can be streamed from the website or downloaded. Written ... Full description.

The Scientific American Frontiers program on PBS aired a special series on invasive alien species. This website is the central site for that program. Users can watch web video of each segment, access additional links on invasive species, email the scientists featured in each segment and read news articles about topics pertinent to invasive species. The America's Most Un-Wanted feature allows users ... Full description.

The UC San Diego Webshaker is a live earthquake experiment conducted over the internet. The user can select a historic earthquake or design an earthquake by specifying the frequency, amplitude, and duration. The shake table delivers base motion to the test structure in the same way that an earthquake shakes buildings and other structures. A live video broadcast and precise measurements from sensors ... Full description.

The Estuary LIVE site provides interactive virtual field trips to estuaries. The site contains an online registration form and schedules of broadcasts. There are also lesson plans such as: Estuarine Habitats, Marsh Mystery Water, Estuary Bird Study, and Down the Drain. The reference section contains photographs and movies to use in multimedia projects; shark and hurricane facts; information on National ... Full description.

The Voyage of the Odyssey is a five-year program designed to gather the first ever baseline data on levels of synthetic contaminants throughout the oceans of the world. It uses whales, albatrosses and pelagic fish as indicator species for measuring the health of the seas. There is a map to locate the current position of the Odyssey and ship logs, video, and audio reports to learn about the experiences ... Full description.

NASA Quest's primary goal is to connect the public to the people and science of NASA through live-encounter Events: stand alone or serial combinations of webcasts, chats, forums, and classroom collaborations. To accompany these live events, NASA Quest provides searchable profiles of the experts, journals of their day-to-day activities, and background information on the projects in which they are involved. ... Full description.

The Exploratorium digital library includes digital media, digitized museum materials related to interactive exhibits and scientific phenomena. Full description.