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The Chemical Heritage Foundation (CHF) fosters an understanding of chemistry?s impact on society. An independent, nonprofit organization, CHF maintains major collections of instruments, fine art, photographs, papers, and books. We host conferences an...

Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sites.

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.

The Khan Academy is a not-for-profit 501(c)(3) with the mission of providing a world-class education to anyone, anywhere. Despite being the work of one man, Salman Khan, this 1600+ video library is the most-used educational video resource as measure...

Chemistry: Foundations and Applications: A-Ar, Ar-Bo, Bo-Ce, Ce-Co, Co-Di, Di-Fa, Fe-Ge, Ge-Hy, Hy-Kr, Kr-Ma, Ma-Na, Ne-Nu, Ny-Pi, Pl-Pr, Pr-Ro, Ru-Sp, St-Te, Te-Va, and Va-Z

YouTube is a place to discover, watch, upload and share videos.

H.E.A.R.T is a group of private researchers, who devote their spare time to the research and production of this website, and other forms of related publications, such as leaflets and books. Our aim is to inform and educate people about the Aktion Rei...