The Search for Extraterrestrial Intelligence, Crop Circles, and Related Information

UFO's And Related Links

CSETI - Center for the Study of Extraterrestrial Intelligence: Working to increase our knowledge and understanding of extraterrestrial civilizations.
Searcing for Extraterrestial Intelligence: You can participate in the search for extraterrestrial intelligence by downloading a free program that uses your PC, in screensaver mode when you are not using it, to analyze radio telescope data. The raw data is sent to your computer, your computer analyzes it, and sends it back to SETI. There is a small chance that you may actually get credit for finding evidence of life on another planet.
National UFO Reporting Center: Up-to-date Information about reports of UFOs, sightings.
The Crop Circle Connector: Featuring a large database of photographs, the very latest on crop circles, and a crop circle newsgroup. Encourages you to share any sightings or experiences.
The Crop Circular: A research site working towards a more thorough understanding of crop circles.

Negative Energy, Wormholes, and Warp Drive: An illustrated article by Lawrence H. Ford and Thomas A. Roman
The Official String Theory Web Site: A complete introduction to string theory, with sections on black holes and cosmology.