What did Denver look like millions of years ago? Find out the answer to this and see how it has changed over time. There is also a list of parks to visit in Colorado.

Albert Einstein publishes his special theory of relativity and his theory on the quantum nature of light, which he identified as both a particle and a wave. With ever new appliances, electricity begins to transform everyday life.

Presents a list of the fifteen worst natural disasters to strike the United States and its territories, along with descriptions, year, number of casualties, cost, and where each occurred.

Discover why some people feel that natural history museums are more import now than they have ever been. Familiarize yourself with some of the challenges these museums are facing.

The aim of this article relates the nature of science to our current understanding of the origin of life and describe the formation of the atoms which build the Earth and its life.

This resource presents extensive information for learning about and teaching evolution including an in depth course "Evolution 101", teaching materials, and a resource library.

Humphry Davy was a pioneer in the field of electrochemistry who used electrolysis to isolate many elements from the compounds in which they occur naturally. Electrolysis is the process by which an electrolyte is altered or decomposed via...

The Five Tools and Processes for Translating the NGSS are designed to help professional development leaders work with teachers on curriculum, instruction, and assessment as they achieve this vision. Click the link for each tool for an...

This site from Fordham University is an exerpt from Newton's famous "Principia."

Through this resource, one can briefly explore the georgraphy and history, meet the wildlife, and understand the current threats to Bristol Bay, Alaska.

Events of Rene Descartes' life are presented in a timeline form. The biographical information is taken from "A Short Account of the History of Mathematics" by W. W. Rouse Ball (4th Edition, 1908).

Learn all about the twenty named species of armadillos. Browse through pictures of many of the species while learning about the natural history of this animal. Also includes facts, taxonomy, scientific research, and information on human...

The roots of sociology and how the discipline developed are described, as well as the diversity of specializations in the field today. Provides a chart comparing its perspective to those of other social science fields. Also, describes...