A 24-page manual provides principals, educators, and other school personnel with factual information about sexual orientation development, important legal principles they must consider, and problematic efforts to change sexual...

The complete original text of On the Origin of Species by Charles Darwin.

[Free Registration/Login may be required to access all resource tools.] Describes the discovery of viruses and two hypotheses for the origin of viruses.

This brief article explains the concept of original jurisdiction, especially in terms of the U.S. Supreme Court. There are links in the article to actual cases.

This site explores current theories about how the Solar System was created.

Mary Maverick was married to one of the leaders of the Republic of Texas and knew major figures of the day. She is important because of the diaries she wrote detailing her life on the Texas frontier, which have been preserved and can be...

Discover Alfred Wegner's ideas relating to continental drift and seafloor spreading which are both evidence to the concept of plate tectonics.

This article discusses the evolving issues of racism against the aborigines of Australia.

Armand D'Angour explains the evolution of the Olympics. [3:20]

Through fossils scientists have been able to study the evolution of whales. Read this article to take a closer look at the details.

Information about each of the thirteen colonies with links to additional good quality resources.

Background information and slideshow presentation on creating the Origin of Species scientific manuscripts.

This companion website of a NOVA program that aired in 1999 features extensive information that focuses on moon research and includes a history of the Apollo missions as well as the science of the moon's origins.

This is the complete text of The Waste Land by T. S. Eliot including original and additional notes about the poem.

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 concise resource presenting the origins of the Cold War.

An illustrated slide show highlighting the origin and make-up of our solar system.

Bite-size introduction to two scientists-Hubble and Lemaitre-who played key roles in formulating the theory of the origin of the universe known as the big bang. Includes an interactive timeline on which you can plot out the approximate...

A history and description of the modern periodic table, including its early origins, many contributors and later additions.

Detailed descriptions of the origins of some common superstitions.

Learn about the origins of the Samurai, The First Warrior Government (The Kamakura Shogunate, 1185-1333, The Second Warrior Government: The Ashikaga Shogunate of the Muromachi Period (1338-1573), The Third Warrior Government: the...

[Free Registration/Login Required] In this lesson, students will learn the basics of the coordinate plane including quadrants, x and y axis, ordered pairs and the origin. A 5 question quiz is included to see if they get it.

Great site describing New York City, its geography and origins, as well as the boroughs.

Was there ever life on another planet? Could there be life on another planet again? What makes the Earth support life? This article investigates these questions in depth.