These pages are part of a site called "Evolution," that accompany a textbook by the same name. Mark Ridley is the author. This section is about Darwin, his travels, and his observations that led to "On The Origins Of Species."

A self-directed module on all aspects of biological classifications that covers the species problem, diversity and chaos, cladistics, putting things in groups, and so on.

These pages are part of a site called "Evolution," that accompanies a textbook by the same name. Mark Ridley is the author. Here he discusses theories for species change that were before Darwin published "On the Origin of Species."

Site gives the etymology and history of first names. Have fun looking up yours! Names can be accessed alphabetically, by nationality, or through a search tool. Links to lots of other information on names and etymology.

Students read a definition of eponym, then play a two-level game where they match items to the people they are named after.

Read this detailed narrative to learn about the mistreatment of African Americans long after people thought slavery had ended after the Civil War, but actually persisted into the twentieth century. Based on original documents, photos,...

A mass grave in Poland holds the remains of 45 victims of the Death March from Auschwitz. Yad Vashem works diligently to identify the remains and provide a proper gravestone. So far, 16 have been identified and you can read their stories...

This University of Pennsylvania site reproduces the 1846 book here with some enhancements. Icons representing each of the 3 Bronte sisters identify who wrote which poem, and a provenance of the text explains where the information...

Benedict Arnold (1741-1801) was an American general during the American Revolutionary War. He originally fought for the colonists' Continental Army but later defected to the British Army. Today, the name "Benedict Arnold" has become...

[Free Registration/Login Required] This flipchart reviews basic time telling vocabulary. It introduces the history behind the months of the year and the origin of names of the months. It also demonstrates how to figure elapsed time.

Features a brief overview of the history of Maryland, and the origin of Maryland Day. Also showcases several historical photos of Maryland from an aerial view.

A brief history of Illinois including the origin of its name and famous landmarks. Features a historic map, a 1913 photograph of the city a

Basic information on the origin of the name and the uses of niobium

The purpose and application of the verb "ser" is explained on this site. Conjugations of "ser" are included, along with audio links .

This article surveys the Mughal Empire of India (1526-1857) and traces its origins, names its rulers, and provides historical illustrations and a map.

This is an online photocopy of the original text of the children's book Jim: A Story of Child-Life by Christian Burke (1892), a novel about a girl named Jim.

The selected pictures listed are among the audiovisual holdings of the National Archives that relate to the American Revolution. They are photographic copies of works of art. The dates and mediums of the originals and the names of the...

This is an online photocopy of the original text of the children's book Alphabet of Old Testament History by Pott & Amery's [1870]. This is an illustrated alphabet of Biblical people, but they do not include the names of the people.

Ever wonder why Thursday is called Thursday? Find the answer to this and other word origins.

Use this online resource for information on Colorado. Includes map and state flag, motto, state symbols, origin of name, government officials, brief history of the state, and links to famous people of the state.

Good resource for information on Florida. Includes map and state flag, motto, state symbols, origin of name, governmental officials, brief history of the state, and links to famous people of the state.

John Ringling North, a native of Baraboo, Wisconsin, was the nephew of John Ringling, one of the founders of the original Ringling Brothers Circus. He managed the circus and its finances for twenty years, beginning in 1947. A brief...

A lesson plan for helping students remember the names of the the original thirteen American colonies.

A map from 1898 of Texas showing the capital at Austin City, principal cities and towns, railroads, rivers, and coastal features. "Lone Star State. Origin of name not definitely known; supposed by some to have been name of Indian tribe....