This site from the Arlington National Cemetery contains a memorial to the U.S.S. Maine, a ship that was sunk during the Spanish-American War. Includes some brief text, then a lot of pictures, and then some in-depth text.

This site from the Arlington National Cemetery details information about Leslie Grove's military career and his role in the Manhattan Project. The biographical information is fairly in-depth, and several pictures are included as well.

As a rebuttal to Christian Fundamentalism in the 1920s, Harry Emerson Fosdick preached an important sermon celebrating liberal Protestantism. Read this well-thought out sermon here.

An article by NAACP executive secretary, Walter White, discusses the eight reasons he saw for the Chicago Race Riots in July, 1919. He goes into great detail to support these causes.

An excellent explanation of the Teapot Dome scandal and the ensuing civil and criminal investigations into the fraudulent leases of oil reserves by Secretary of the Interior Albert B. Fall in the Harding Administration.

This series of web guides serves as a collection of resources for research into a variety of areas including the performing arts, sports, government, law, art, American history, Women's history, African American history, literature and...

The Black Death caused a radical alteration in population and dramatic changes in society. In this lesson, students will analyze maps, documents, and firsthand accounts to trace the effects of the Black Death in Europe.

This is a very detailed site containing information on several sub-atomic particles including the Hadron.

This college-level physics course on acoustics provides a variety of charts and short descriptions of the physics involved in using loudspeakers and audio equipment. Related links.

This is a resource for students to use in their study of minerals. It begins with a general description that includes the list of essential characteristics of a "mineral." Minerals are then grouped alphabetically. Selecting a name...

Discusses the sexual abuse of children, causes, symptoms to be on the alert for in a child, how children are groomed by a predator, ways to prevent it happening, and how to get help.

Examines high blood pressure or hypertension, what it is, how it is diagnosed, factors that affect blood pressure, types of hypertension, risk factors, complications from high blood pressure, how it can be treated, and prevention...

Good site to find information on various rare diseases. Has links to definitions, causes, treatments, publications. Also has an extensive list of rare diseases.

Discusses the resettlement initiatives in the 1800s when freed slaves were sent to live in Sierra Leone and Liberia in Africa, and some of the difficulties they faced there.

A detailed publication that explains how the government decides who is counted as unemployed and how they measure unemployment.

Amelia Bloomer was a prominent advocate of women's rights in the 19th century. She invented bloomers to replace the skirt hoop, in an effort to free women from much of their cumbersome apparel. She later used her newspaper, The Lily, to...

Data from the 1880 and the 1900 Censuses, and how these relate to the lives of Almanzo and Laura Ingalls Wilder, are presented here. There are also ideas for teaching using primary sources.

This resource from the Circle Association at the University of Buffalo gives background on the origins of the Harlem Renaissance and highlights its most famous authors.

Learn about stream and river ecosystems. Find out about plants, animals, adaptations, and conservation efforts.

E-learning site uses an example of "pushcarts on the beach" to demonstrate a monopolistically competitive market structure and how, as more firms enter the market, price, quantity, and deadweight loss are all affected.

The story of the "Judges Trial," a trial held at Nuremberg of German law judges who had worked for the Nazis during World War 2.

A great site! Provides a page from the Mishnah with explanation of various parts. Also discusses terminology, authorship, and significant dates.

This resource has detailed information on the occupation of woodworking. It has sections on the Nature of Work, Working Conditions, Employment, Training Job Outlook, Earnings, Related Occupations, and Sources of Additional Information.

This online exploration provides an opportunity to identify the different properties of waves and the relationship that exists between energy, wavelength, and frequency. Correlate images from the Hubble Telescope to the wavelength,...