Links

wikipedia.com - The open source online encyclopedia.
superstringtheory.com - The official string theory site.
space.com - A site covering up-to-date news of space exploration.
curious.astro.cornell.edu - Curious About Astronomy? Have your questions answered by real astronomers.
billnye.com - Bill Nye the science guy.
physicscentral.com - Lots of information regarding physics.
fearofphysics.com - Fear of Physics, A beginners guide to physics.
nasa.gov - NASA's official site.
chemistry.org - American Chemical Society.