Many Renaissance artists and architects used the concept of the golden mean which was thought to be visually pleasing. An Italian mathematician developed a series of numbers related to the golden mean; see if you can detect the pattern.
Different forms of media can present different views of the same story. See how your point of view might change as you read an article, watch a news clip and read an online article about the same event.
Learn about the historical foundations of contemporary psychology. Use the timeline to explore key events, publications, and perspectives that have shaped psychology from the late 19th century to the present.
Political parties have platforms that describe their principles and issue stances in areas such as taxes, education and immigration. Answer the questions to see which party (Democratic, Republican, Green and Libertarian) is your best fit.
What happened to bring about the collapse of Copán, once a thriving center of Maya civilization? Study evidence of its monuments, soil and plants, homes, farms and archaeological remains and use your Copan journal to record important clues.
Read statements by Jefferson and Hamilton on the role of government, the virtue of people, slavery, and the role of cities and decide who had the more enduring vision of America. Your opinion will be added to the tally of others who have visited the site.
During the early Progressive Era, two leaders dominated the debate over the best course for racial advancement in America. Who had the better vision for improving the conditions of African Americans in the early 1900s, Booker T. Washington or W.E.B. Du Bois?
The Hetch Hetchy controversy caused Presidents Roosevelt and Wilson to examine their beliefs, and then act upon them in ways that would forever change the American landscape. Should they have been more active in preserving wilderness from development?