Description: The 19th century was a transformative time for the natural sciences. New discoveries didn't just happen in an armchair. Scientists adventured into unfamiliar territory by land and sea on expeditions, and their new findings fed new theories. Groups like the Columbian Institute for the Promotion of Arts and Sciences and the National Academy of Sciences formalized America's place
Description: The Smithsonian Folklife Festival will be held from June 30 to July 4 and July 7 to 11, 2011 on the National Mall. Read more about the history of the Folklife Festival here. At the Smithsonian Folklife Festival this year, the Peace Corps is celebrating its fiftieth anniversary. On March 1, 1961, President John F. Kennedy signed an Executive Order authorizing the Peace Corps to