This on-line book, published by the United States Geological Survey (USGS), discusses the use of fossils in determining the age of rocks. The publication covers how to place events in correct temporal order, a...

In 2004, a human-like species was discovered on Flores Island. She was approximately 3-feet tall, with a small face and teeth, and the ability to walk on two-legs. This website provides links to five articles from Nature...

This resource from PBS focuses on human evolution in a format aimed at kids but easily adapted to a classroom of any kind. A classroom activity (available as Shockwave or text only formats) describes the steps in human...

This website features an overview of the Dinoflagellata, a large and diverse group of unicellular protists. Introductory information is displayed on the main page and links are provided to additional webpages featuring...

Millions of years ago, central Oregon was a hotbed of volcanic activity. Curious geologists and others can learn about the John Day Fossil Beds National Monument on this most excellent Flash-enabled online tour. After...