Share via Facebook Share via Twitter
Share via LinkedIn
Share via e-Mail
World Book Encyclopedia
Online version of the complete reference work along with dictionary, atlas, links, magazines, historical documents, audio, video, images, and 3D photographs. Requires free temporary registration with option to buy continued access for full articles.
How Stuff Works
Articles explain how hundreds of things work, from elements of the human body to space-age technology.
Offers articles from on the 11th edition Encyclopedia Britannica, and from the Crystal Reference Encyclopedia. All articles are searchable and alphabetized.
Articles and illustrations from the Encyclopaedia Britannica, 9th Edition (1875) and 10th Edition (1902). Searchable by keyword and browsable by subject index.
Multimedia, featuring text and videos. Results can be sorted into most recent or popular, guides or facts.
Offers charts covering aspects such as government debt and population, for each country of the world. Includes a guide on how to read the chart. Translated into multiple languages.
Offers concise snippets of information across categories such as beverages, games and geography.