Why is there more daylight in June than in December if you live above the equator? How does the angle of sunlight shift throughout the year? Answer these questions and more with an interactive article about the sun, its path through the...

The blogosphere may be overwhelmed with content, but there's still room for unique points of view. Creating a blog that stands out, however, is the bigger challenge. A handout on blogs, part of a series of handouts on specific writing...

A colorful resource introduces learners to the four major fields of anthropology: cultural anthropology, linguistic anthropology, biological anthropology, and archaeology. Explanations are provided for what each field studies, the kinds...

Explains the terminology for angles of elevation, depression, inclination, and declination. Demonstrates how to 'translate' exercises into triangles and equations.

A discussion of Christian Huygens' contribution to wave optics, and particularly to our understanding of the reflection and refraction of light. Excellent diagrams and a geometric proof on why the law of reflection is mathematically...

Use this question response site from the University of Regina about finding the acute angle of intersection between the two given lines. The response contains a visual aide and commentary to help.

Comparison of straight chained and cycloalkanes. Bond angles of a variety of structures presented. Equatorial and axial positions shown. Plug-ins required for interactive illustrations.

This page is a continuation of a tutorial about light reflection and refraction. It contains a diagram and suggestions on how to derive Snell's Law, which governs the refraction of light in a medium. For background to this derivation,...

Contains a four step procedure to deriving the law of reflection using algebra, Fermat's principle, and calculus (simple derivatives). This is good for an in-class theoretical exercise.

This Wide Angle video features the Arab women of an all-female talk show discussing the rising divorce rates in the Middle East.

China's recent adoption of a legal system based on the rule of law is the focus of this video from Wide Angle.

This site addresses some basic questions and concerns about the Severe Acute Respiratory Syndrome (SARS). Content includes a focus on its symptoms and current treatment options.

This resource presents a rich mix of multimedia assets about the Great Pyramid of Khufu together on one page. It includes specialized tools that let you zoom in on Khufu's Pyramid from different angles, travel virtually across the...

This complete site defines leukemia in general and proceeds to examine the causes, diagnosis, and treatment of acute myeloid leukemia.

Wide Angle video addresses the controversy surrounding affirmitive action and racial quotas at the University of Brasilia. [3:11]

Wide Angle video tells the story of two identical twins, one of whom was classified as white and the other as black, highlighting the difficulty in defining race in Brazilian society. [2:53]

This Wide Angle video features a peasant family in China that is caught in a land rights dispute with no apparent solution in sight.

Meet an activist who works to help the struggling farmers of rural India, in this video from Wide Angle. [2:30]

This chart containing film shots from a Wide Angle documentary will help students understand how analyzing video and the use of shots is similar to analyzing texts.

This is a question response page from the University of Regina where you will find an algorithm for finding the number of degrees of any convex polygon.

This is a question response page from the University of Regina where one may find an algorithm for finding the number of degrees of any convex polygon.

Wide Angle video about the Arduous March in the 1990s and one family's experience during this period of hardship and famine in recent North Korean history. [2:18]

Wide Angle video of Ambassador Charlene Barshefsky, former U.S. Trade Representative, discussing her views on economic change in China and China's participation in the World Trade Organization. [1:50]

This site provides a detailed description of acute bronchitis and how it differs from chronic bronchitis. Explains causes, symptoms, diagnosis, and treatment.