The video discusses the phenomenon of dead zones in bodies of water, which are regions with low oxygen levels due to an excess of nutrients from agricultural and industrial activity. The video explains the four types of dead zones and...

Examines the establishment of Roanoke in 1585; the successful settlement of Jamestown, Virginia; the roles of Captain John Smith, Pocahontas and Chief Powhatan; the settlement of Plymouth, Massachusetts in 1620; Plymouth Rock and the...

This video follows an expedition to the headwaters of the Chesapeake Bay to investigate how human actions create dead zones in underwater areas. The video explores the impact of air pollution on waterways and the role of nitrogen in...

The Chesapeake Bay receives water from the 64,000 square miles of land surrounding the bay and Landsat satellites are a critical and invaluable tool for characterizing the landscape and mapping it over time. Landsat data provides a...

From the distant reaches of the Universe, to black holes, and the Martian surface, NASA explores some of the most far out parts of space. But NASA also does research much closer to home. In fact, NASA Earth Science satellites are...

The video showcases young students from the Lancaster County Youth Conservation School who participated in a program to improve the health of a stream in Chesapeake Bay watershed. They share their experiences and the impact they had on...

This clip explores the geography, history, and some important cultural features of Maryland.

This clip offers a brief introduction to the States in the Southeastern Region of the United States.