The mineral and gemstone kingdom: home
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http://www.minerals.net/
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Science Videos Search Engine
search for science videos with ScienceHack ... every science video on ScienceHack is screened by a scientist to verify its ... ScienceHack Video Magazine ...
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Search the PopSci Archives | Popular Science
We've partnered with Google to offer our entire 137-year archive for free browsing. Each issue appears just as it did at its original time of publication, ...
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The Complete Work of Charles Darwin Online
Featuring materials from the Darwin Archive at Cambridge University Library, the site contains more than 50,000 searchable text pages and 40,000 images from ...
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Science projects, ideas & topics - science fair projects - easy kids science projects & experiments, science articles
Offering a subscription newsletter with answers to common science questions, projects and experiments, and unit measurement conversions.
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Office of Scientific & Technical Information, OSTI, U.S. Department of Energy, DOE
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Scirus - for scientific information
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PhysOrg.com: latest science and technology news
Features forums, a blog, and news articles covering the latest breakthroughs in physics and technology.
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US NSF - National Science Foundation
Independent U.S. government agency responsible for promoting science and engineering through programs that invest money in research and education projects in science and engineering.
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Dynamic Periodic Table
Interactive table with layouts showing names, sliders, data visualization, and instant search on a single page. Includes images and printable PDFs.
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chemistry
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periodic
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The PubChem Project
It is a component of NIH's Molecular Libraries Roadmap Initiative. ... PubChem is organized as three linked databases within the NCBI's Entrez ...
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