The Ask an Expert: Science category is for websites that allow users to submit their own questions relating to different areas of scientific study. While archives of answers and information are useful, in order to get listed in this category, there must be a live human answering questions, not just a search engine or computer.

In addition, this category is for sites that provide this human service free of charge. Answers that are available for a fee should be listed in Ask an Expert: For a Fee. Businesses that are trying to promote their services should be listed according to their industry and/or geography. Forums also are not appropriate for this category, and should be submitted to the relevant subject category, as they are a different type of site and have a different function.

Again, we ONLY want web sites where you can submit questions to a pool of experts and have them supply an answer.

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Ask a Marine Science Expert
Email your question after checking the archive of previous questions and answers.
Ask a Rocket Scientist
Explains design, technology, aerodynamics, history, space travel, and other topics related to aerospace engineering.
Ask A Scientist
You can ask a scientist a question on the WWW MadSciNet: The 24-hour exploding laboratory.
Ask an Earth Scientist
Experts at the U of Hawaii answer questions about volcanoes and igneous rocks, earthquakes and seismology, natural disasters, geochemistry, the environment, pollution, hydrology and water quality, minerals, gems and crystals, geophysics, sediments and sedimentary rocks, and just plain ol' geology.
Ask Dr. Science
Scientist answers a daily science question.
Ask The Space Scientist
Ask a question and check out the archives for the many questions asked at this site.
Curious about Astronomy? Ask an Astronomer!
Browse archives of previous questions and answers, or submit a question to be answered by astronomers at Cornell University.
eNature: Ask an Expert
Naturalists answer questions about nature and wildlife.
How Things Work
Ask about almost anything related to the physical world, and check the well-organized archives for answers to previous interesting questions.
NEWTON Bulletin Board System
Ask-a-scientist service designed for K-12 teachers and their students - operated by the Argonne Nat'l. Laboratory, Div. of Educational Programs.
PhysLink - Ask the Experts
Post physics and astronomy questions.
Science Buddies: Answers to Your Science Questions
Ask questions and get help with your science fair project.
Science Questions & Answers
Expert responses to questions on biology, chemistry, geology, and other branches of science.
USGS - Ask A Geologist
Ask earth scientists at USGS questions about volcanoes, earthquakes, mountains, rocks, maps, ground water, lakes, or rivers through email.
What is What
Aims to give easy answers to everyday questions. They define words, acronyms, and ideas. They have a computer-related and open-source slant.

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