Wikipedia is a free content, multilingual encyclopedia written collaboratively by contributors around the world. The site is a Wiki - anybody can edit and add to an article. Offers quick understanding on controversial issues. Strong in current affairs. - [Read more]

An Internet portal and concise encyclopedia. Offers fun activities to encourage teaching while exercising the mind. Daily articles introduce topics in the arts, humanities, science, and technology. Provides links to related sites. - [Read more]