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Palladium is a precious metal of the platinum group metals with many valuable uses in industry, instrument of investment, and metal for coinage. This site covers detailed history, discovery, research and uses in industry. Palladium ore is mined by St...

The Molecular Expressions website features hundreds of photomicrographs (photographs through the microscope) of everything from superconductors and high-tech materials to ice cream and beer.

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 ...

Encyclopedia.com – Online dictionary and encyclopedia with pictures, facts, and videos. Get information and homework help with millions of articles in our FREE, online library.

Memidex is a free online dictionary and thesaurus with extensive cross-referencing, complete inflections, simple interface, and frequent updates. It

This WebElements periodic table page contains Essential information for the element ununhexium

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Infoplease.com, a free, authoritative, and respected reference for Internet users, provides a comprehensive encyclopedia, almanac, atlas, dictionary, and thesaurus. Infoplease.com contains facts on all subjects including sports, entertainment, techno...

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...