Karen Price Hossell

An overview of the history, development, and use of Morse code.

Provides an overview of the White House, its construction, guests, and the presidents who lived there.

Presents an overview of various types of codes and ciphers used throughout history, famous cryptologists, and how to create your own secret messages.

Provides a history of the Articles of Confederation, explains why they are important, and describes how historical documents such as this can be restored and preserved.

Profiles Scottish-American sailor John Paul Jones, discussing his accomplishments in the Continental Navy during the Revolutionary War and his later years in Paris and as a member of the Russian Navy.

An overview of the history and daily lives of Thai people who immigrated to the United States.

Presents an overview of sound waves and of the history, development, and uses of sonar by both humans and animals.