COOL SCIENCE LINKS:
Access Excellence : Genentech's website for teachers to interact and exchange ideas, information, lesson plans, etc. Great for Biology teachers interested in biotechnology and genetics.
Exploratorium: Visit the greatest science museum's website. Lots of information for teachers and science enthusiasts alike.
The Biology Project: This site has great Biology information for both teachers and students.
San Francisco Day School Science Links: A teacher at SFDS spent LOTS of time finding some excellent science links that he categorized by topic. Great for high school or middle school student research projects. A must see.
NASA: NASA maintains a site that has current info on such topics like the Mars Pathfinder and other space missions.
USGS: United States Geological Survey website.