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Reference links

Know of a link to a resource that might be helpful? Send it to us!

Answers.com: Corporate oriented crowd-sourced website providing answers to questions, including science topics.
Ask Dr. Math: Drexel University wonderful Ask-A-Mathematician site
How Everything Works: The physics of everyday life, by Louis Bloomfield, U. of Virginia. Has a good archive.
Mad Scientists Network: One of the best archives of science questions and answers on the web
Newton Ask-A-Scientist: USA Argonne National Labs partially working Ask-A-Scientist site
PhysLink.com: Physics and astronomy online educational reference site.
Scientific American Ask-An-Expert: Lots of great questions and answers, but they only answer and publish selected questions.
The New Scientist magazine Last Word: Has great questions and answers, but they don't answer all submissions.
University of Toronto Blue Book of Experts: Look up an expert in any field and email or phone in your question