Scientists explain what a magnetic field is, in everyday science and in astronomy. See examples of magnets and magnetic fields, as well as an example of an electromagnet. [8:25]

Interact with a work of art to discover how symbolism is portrayed with different characters and elements.

The National Archives and Records Administration (NARA) explores how words and posters waged a constant battle for the hearts and minds of the American citizenry during World War II.

This is a collection of American flags in color with a description of their reason for existence. Very appealing site.

Great website where you can look up literary symbols in a searchable index. For each symbol there is a brief explanation of its significance and links to other related symbols.

Four peer-reviewed essays by university students analyzing aspects of Dickinson's poem, "I dwell in Possibility." One essay reveals that Dickinson developed her own philosophy that bridges the conflict between Puritanism and Transcendentalism. The second analyzes four symbols in the poem. The third examines "opportunity and gender" within the poem, and the fourth reviews five critical readings of the poem by other authors.

The links provided show the different aspects of religion in 18th and 19th century England. The site also offers a timeline of religion and philosophy.