Chandra allows astronomers to view our galaxy and beyond in ways only dreamt of before. 14 interactive features are offered in this exciting look at cosmic phenomena.

A set of podcasts outlining a four-step process for understanding the vastness of our universe, from the vicinity of the Earth and Moon, out into distant galaxies. Downloadable instructions and a handout are included, as well as...

Chandra X-Ray Observatory is an space observatory designed to detect x-rays. The public web site gives information about Chandra and X-ray astronomy in general (in field guide). It also gives educational materials for teachers.

This site from The Geoffrey Chaucer Page contains links to many other authors whose work was related to or influenced Chaucer's. Includes links to Petrarch, Dante, Boccaccio, Boethius and more. A great site to check out on the subject.

This timeline of Geoffrey Chaucer's life and times from 1300 to 1400 provides a historical and social context for The Canterbury Tales. Features links to related topics.

Deposition from the Scrope-Grosvenor Trial, one of two "autobiographical statements" attributed to Chaucer. Includes a description of Chaucer's coat-of-arms.

Features praise in verse for Geoffrey Chaucer by his contemporaries: Lydgate, Hoccleve, Gower, Usk, and Deschamps. A rare look at the community that existed among 14th century English writers.

Transcript of a document instructing the poet Chaucer, as Clerk of the Works, to oversees the building of jousting tournament scaffolds.

Note on the jousting tournament and its cultural meaning and literary representation (such as in Chaucer's "The Knight's Tale").

This site from The Geoffrey Chaucer Page provides the vv.8822-8244 of F.S. Ellis's English translation of the 13th-century novel On Marriage, or Le Roman de la rose (The Romance of the Rose). This is a great site to check out on the...

Full text of John Dryden's (1631-1700) Preface to The Fables (1700), the English poet's translation of Chaucer texts from the middle English. Dryden compares the styles of Ovid, Chaucer, and Boccaccio.

Do you know what the Great Vowel Shift is? Check out this site to learn more how this shift played a part in the history of the English Language.

In-depth research about the steady-state theory of the expanding universe found within a bibliographic database of astronomical literature. Learn about the theory that asserts that new matter is continuously created as the universe expands.

A Computational Thinking curriculum guide which develops fluency with computational concepts, practices and perspectives.

An explanation of the formation of the National Women's Trade Union League of America that brought together working class women and professional women. Read about what their goals were for women in the workforce. Find links to primary...

Plenty of cool activities about the Earth's rotation can be found here, such as tracing shadows, observing shadows during different times of the day, and tracking the sun's path in the sky to understand the rotation of the earth.

This photographic collection has over 2,000 images of American landscapes and architectural features built during the period 1850-1920. You can search by keyword, subject, by name, or by state.

There are three sections in this website: "Butterfly Bandages," "Direct Pressure for Bleeding and Pressure Points for Bleeding," and "How to Stop a Nosebleed." Each includes clear sketches that will help you get most types of external...

A fascinating description of the carved spoons used by the Tlingit Indians for ceremonial purposes. The meanings carved into the spoons were read from the bowl of the spoon to the tip of the handle.

Informative, nontechnical questions are provided as well as answers regarding magnetic monopoles. This is a very useful site for getting an introduction to the search for these theoretical particles.

This site talks about related problems to groundwater contamination in Bangladesh and the challenges that face the people there.

Brown Dwarfs are explained. Includes illustrations.

This site provides information about quasars and active galaxies. Includes a glossary of important terms.

X-ray pulsars are explained. Features a Java applet that simulates a pulsar and allows the viewer to control the rotational speed.