Learn what it takes to build an igloo from the best kind of snow to the most effective tools and other little-known facts about these traditional Canadian Inuit structures in this interactive activity from NOVA.

The resource discusses the intelligent design. Some topics included are defining science, evolution, Darwin's prediction, and the Wedge strategy. The activity includes video and audio extras consisting of an interview with Judge Jones and the evolution of a species.

The resource discusses fossil evidence of the intelligent design. The interactive activity explores five well-known fossil transitions that indicate Darwinian evolution in action. The activity consists of a printable version and interactive version.

Tthis NOVA Lab, meet another side of the Sun- the unpredictable, mysterious side. [2:13]

NOVA provides a unique look into the world of sharks. Explore the "World of Sharks" for a species list, the Shark-O-Matic, diagrams, vivid descriptions of close encounters and shark attacks, and more.

A beautiful site that incorporates a story with your interactive exploration of shark anatomy. Use this site for it's great images and fun learning activity.

Japan's Secret Garden presents 5 video clips of different animal transformations & metamorphoses.

Learn about how Rice Paddys are built and formed. This site has a video and description of the process.

Take a virtual tour of Lechuguilla, a cave discovered in 1986, which turns out to be one of the biggest in the Americas. Twelve different pictures of interesting formations reveal the reason the park service has decided to keep it off limits to preserve its beauty.

A historian discusses the relationship between John Smith and Pocahontas, and, more broadly, the competing expectations of the Indians and English colonists in terms of the relationship of the two groups.

Travel deep into the human body to see exactly where your DNA resides. From the NOVA: Cracking the Code of Life Web site.

Learn how chemist Percy Julian overcame prejudice and segregation to become one of the leading scientists of the 20th century. These NOVA documents show milestones in Julian's life and career.

Jon Krakauer describes what it's like to be in Antarctica and climb its highest mountain.

This resource explains how ice cores are used to analyze past events like air pollution, volcanic activity, climate changes, and radioactivity.

Excellent site from Nova delves into the life and death issues faced by doctors in a war zone. Interactive slide shows provide information on how doctors decide who to treat, "Images from the Field," and "Military Medicine through Time." Companion site to the Nova film.

Investigate the history of military medicine from the Civil War to the Iraq War, and interpret archival photographs shot on and off the battlefield.

The miracle of life is featured in this wonderful series of short videos, journal entries, and flash segments. A variety of topics are covered in this well written, authoritative piece.

Compare and contrast the shape and size of a Homo floresiensis brain with the brain of a chimp and a modern human.

A site focused on the dynasty of the Mayan empire. Includes some great audio and video clips.

"The quest for a reliable method to find your way at sea was one of the thorniest problems of the 1700s." Find out about the search for longitude at this NOVA site. Includes interactive Shockwave game, learning activities and more.