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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 ...

Real estate advice from home construction & remodeling , appraisals and loan rates, to types of mortgages, information on refinancing to avoid foreclosure and more.

The RainSaucers rainwater collection system is a patent-pending, low cost, easy to deploy rainwater harvesting system that catches rain straight from the sky (no roof required).

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.

CDC Centers for Disease Control and Prevention - Your Online Source for Credible Health Information

Mother Earth News - The Original Guide to Living Wisely

Rainwater collection in rain barrels, rainwater tanks and cisterns.

Breaking science news and articles on global warming, extrasolar planets, stem cells, bird flu, autism, nanotechnology, dinosaurs, evolution -- the latest discoveries in astronomy, anthropology, biology, chemistry, climate & environment, computer...

Gizmag covers the full gammut of new and emerging technologies, invention, innovation, and science news.

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