Back to our Geo Quiz now about a scientific discovery that may shed new light on the life of African slaves in America.

Mark Leone is a University of Maryland anthropologist whose team uncovered some 300 year old artifacts right in the heart of the city we asked you to name, Annapolis, Maryland

X-ray of the bundle showing large, stone axehead protruding at top, metal objects at bottom.

Listen to our interview.

The bundle will soon go on display at The Banneker-Douglass Museum, the state of Maryland's Center for African-American History and Culture.

University of Maryland anthropologist Mark Leone describes this x-ray photograph.