Do you have a question about volcanoes, earthquakes, mountains, rocks, maps, ground water, lakes, or rivers? A service of the earth scientists at USGS.
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Explains design, technology, aerodynamics, history, space travel, and other topics related to aerospace engineering.
You can ask a scientist a question on the WWW MadSciNet: The 24-hour exploding laboratory.
Birds and bird care questions. Not a substitute for a trip to the vet.
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.
Dr. Universe has a whole university full of experts ready to tackle your question on any subject. Explore the question of the day, and longer featured answers.
Do you have questions about water? Questions about water quality in some nearby stream or lake? About drinking water? About water quality testing? About aquatic life such as fish, turtles, snakes, and insects, in your local waterways? Mr. Water Wizard can help.
Ask and read archives of questions and answers. Mainly about marine biology and the environment.
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Browse archives of previous questions and answers, or submit a question to be answered by astronomers at Cornell University.
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Ask-a-scientist service designed for K-12 teachers and their students - operated by the Argonne Nat'l. Laboratory, Div. of Educational Programs.
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Expert responses to questions on biology, chemistry, geology, and other branches of science.
Aims to give you easy answers to everyday questions. We define words, acronyms, and ideas. We have a computer-related and open-source slant.
Check out the archives at WonderQuest, or ask a question for answers to conundrums about the world around us.