Journey with the chicken egg, from formation to hatching, and learn about its embryology.

Part of the PBS site, "The West," this link gives a general explanation of the Lewis and Clark expedition. Links to biographies.

This site traces the early voyages of explorers from Portugal and Spain who were trying to find new resources.

Provides detailed information on Mount Baker as well as information on glaciers, hydrology, lakes and drainages and other points of interest.

A very good introduction to the discipline. Provides details on how it is different from land-based archaeology, how wreck sites are investigated, issues regarding "treasure" wrecks, conservation, and much more.

A rich site on the California gold rush, 1848-1858. An online exhibit traces the gold rush using primary sources, a teacher page gives lesson plans from 4-12 and a kid's page offers further online adventures. Takes a long time to load.

PBS offers an experiment that kids can do at home to learn more about heat conduction and how it works.

This PBS Kids site teaches students about crystals and includes an activity that shows how to make sparkling gems at home.

How do leaves breathe? PBS site explores how plants breathe and sustain life.

How can you cut a rock without a saw? Is it possible? PBS site invites you to come along with Mike and Victor to find out.

A historically significant translation of the groundbreaking text on human anatomy that changed the study of anatomy forever.

Math World offers a detailed discussion on Arbelos and the discoveries regarding this "shoemaker's knife." The site is very detailed and some parts of the discussion may be difficult for high school students to understand.

In this activity, students explore rocks using their five senses. They sort them into groups, learn about landforms, and learn how rocks are used by humans. Their discoveries are recorded in their science notebooks.

For this activity, pupils first listen to a story about animals that live under rocks, then go on an exploratory nature walk to see what animals they can find, living in their own small habitats. They write about their discoveries in a...

The brain functions in ways that many researchers often fail to understand. This particular article reveals recent discoveries regarding research conducted on memory. An interactive feature is also posted on this site. Information is...

Offers an overview of the history of the South American country of Uruguay beginning with its discovery by the Spanish in 1516 through the 2004 national elections.

Recent discovery and theroy that changes the conventional explanation for the evolution of plants.

"The most important scientific discovery about self-control is that it can be taught."-Walter Mischel This article offers tips on how to encourage self-control in others.

This site, which is provided for by the German Aerospace Center, contains detailed information on missions to Mir from March '92 to March '97 displayed in the links below.

Biography of John Sutter, a Swiss settler who helped to develop Californian and saw his fortunes dwindle after the California Gold Rush.

A brief biography of James Marshall who discovered gold at Sutter's Mill in 1848, which led to the California Gold Rush.

Town where the California Gold Rush when James W. Marshall discovered gold at Sutter's mill on January 24, 1848. Now a ghost town, it is a significant part of the Marshall Gold Discovery State Historic Park.

Edward Jenner was an English country doctor who studied nature and his natural surroundings since his childhood and practiced medicine in Berkeley. He is famous for his discovery of the smallpox vaccine.

Benjamin Franklin (January 17, 1706 - April 17, 1790) was one of the Founding Fathers of the United States of America. A noted polymath, Franklin was a leading author and printer, satirist, political theorist, politician, scientist,...