A description of the element, Tantalum, atomic number 73. Covers the origin of its name, sources, uses for it in industry, and possible substitutes.

Information about the element, Aluminum, atomic number 13. Covers physical and atomic properties, how abundant it is on the Earth, and permissible exposure limits. Also discusses the origin of its name, sources of aluminum, and uses for...

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."

Click an element on the Periodic Table of Elements to learn more information such as the history and uses, origin of the name, isotope data, and more essential facts!

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.

A brief history of the internet, written by those who were involved in the development evolution of the Internet. This history revolves around four distinct aspects: the technological evolution, operations and management aspect of a...

This site gives you a detailed description of how the English Horn was named.

The East Area Rapist. The Original Night Stalker. The Diamond Knot Killer. The Golden State Killer.The serial rapist and murderer had many monikers, but now law enforcement is renewing the quest for another name: His real one.

An earwig is neither an ear nor a wig; it is an insect. Jessica Oreck and Rachael Teel explain how folklore gave this bug its name, combining entomology with etymology. [2:16]

All it takes is a simple S to make most English words plural. But it hasn't always worked that way (and there are, of course, exceptions). John McWhorter looks back to the good old days when English was newly split from German -- and...

In 1920, Czech writer Karel Capek wrote a play about human-like machines, thereby inventing the term robot from the Central European word for forced labor. Jessica Oreck and Rachael Teel explain how the science fiction staple earned its...

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...

Good explanation of the significance of names and the Name of God in Jewish thought. Outlines the various names, their origins, and their meanings.

In this lesson students are introduced to several businesses from the past. They see that, while the names for these businesses are different, many of the elements of that job are seen in occupations today. The web site, "Business Cards"...

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