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Curious About Astronomy? Astronomers at Cornell University will answer your questions. Contains an extensive archive of previous questions, astronomy-related links ...

How Everything Works — Part of a website that provides answers to everyday questions about physics, science, and how things in the world around us work.

AskWhyKy is a service provided by the public libraries of Kentucky. Patrons may ask a question 24 hours a day, 7 days a week.

Ask-a-scientist service designed for K-12 teachers and their students - operated by the Argonne Nat'l. Laboratory, Div. of Educational Programs.

Tutoring & homework help for math, chemistry, & physics. Homework help by email or tutoring in Tulsa, Oklahoma. I can help with your online class. Free study ...

School of Ocean and Earth Science and Technology

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Home page and main menu for USGS Pacific Coastal and Marine Science Center in California.