Assignment Discovery

Explore the changing landscape of the South, from the Chesapeake Bay's wetlands to the Appalachians to the dusty oilfields of Texas.

Explore the changing landscape of the South, from the Chesapeake Bay's wetlands to the Appalachians to the dusty oilfields of Texas.

In this study of the Northeast, learn basics of interpreting physical, political, and population maps.

Formed by geologic event millions of years ago, the Midwest was once a sea of grass. Today the prairies of America's heartland provide food for millions.

Explores the political, economic and sociological issues that created the infamous Witch Trials of Salem.

Chronicles the history of the recycling movement and describes some of the creative ways in which new items are made from used materials.

[Vol. 1] Watch as scientists help solve an international mystery by analyzing grains of sand found in a balloon bomb, and discover how dogs work as chemical detectives to sniff out arson. [Vol. 2] Watch detectives, coroners, and archaeologists work together to solve a crime committed long ago. [Vol. 3, pt. 1] Learn how tire tracks, carpet fibers, and dog hairs provide the necessary clues to hunt down a murderer, and watch as DNA evidence exonerates a convicted criminal. [Vol. 3, pt. 2] Watch as scientific evidence is used to determine whether a painting is an authentic da Vinci.

Energetic demonstrations on how to calculate stopping distance, speed and acceleration in the case of a car, motorcycle and a bungee jumper.

This video studies the forces that work to create a volcano, visits people whose lives center around real-life towering infernoes, and examines the history of volcano study.

Examines the small railroads and robber barons of the mid-nineteenth century. Profiles the men who would make their fortunes and earn their place in history as they changed the American landscape.