Biography of Louis Agassiz, a natural historian and a contemporary of Charles Darwin. He was most famous for developing his theory of an Ice Age. Agassiz argued vehemently against the theory of evolution, based on his interpretations of...

[Free Registration/Login may be required to access all resource tools.] Explains scientific theories and introduces several famous theories in biology.

This site, which is provided for by the University of St. Andrews, contains biological information as well as the works of Ptolemy.

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."

Use this interactive site to enhance students' spelling and vocabulary while refreshing their memories in history, geography, language, science, and entertainment. It is available to use on line or you can purchase leveled apps for the...

Read about Linus Carl Pauling, the winner of the 1962 Nobel Peace Prize. This website is organized into the following sections: "Presentation Speech," "Biography," "Nobel Lecture," "Other Resources," and "The Nobel Chemistry Prize 1954."

A photo taken in Scotland of Dolly the sheep. Dolly was famous for being one of the first cloned animals in the world.

Are you, your students, and their parents wandering lost in the Science Fair desert? Here's an oasis! The Science Fair Central website provides a complete guide to the topic. There's a "Soup to Nuts Handbook" that assists the student in...

Cocos Island National Park, located 550 km off the Pacific coast of Costa Rica, is the only island in the tropical eastern Pacific with a tropical rainforest. Its position as the first point of contact with the northern equatorial...