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Physics, astronomy and science news, community, education and reference. Job board, directories, forums, chat, education reference, fun and more.

Answers.com: Wiki Q&A combined with free online dictionary, thesaurus, and encyclopedias. Ask questions, get answers.

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

Chemistry is the study of matter and energy and the interactions between them. Get facts for the elements in the periodic table. Find chemistry demonstrations and experiments and science fair projects. Get chemistry homework help with worked example ...

Scientific physics forums for professionals and students to discuss serious issues and topics regarding physics in theory, practice, study and reality. Students can also find help for homework and career perspectives

LIVESTRONG offers trusted health information and health news on diseases, symptoms, drugs, treatments and more. Get healthy with LIVESTRONG

HowStuffWorks Science has explanations and colorful illustrations related to earth science, life science, and other wonders of the physical world.

An interactive website where science questions from K-12 students and teachers in Santa Barbara and Ventura Counties get answered by UCSB scientists.

The Atlantic covers news and analysis on politics, business, culture, technology, national, international and food on the official site of The Atlantic Magazine.