James O. Horton of George Washington University describes Abraham Lincoln's reaction to first viewing slavery in action on plantations, and discusses his changing views on slavery and what that ability to change says about him as a man and a president.

To view this clip, select to "Abraham Lincoln's Changing Attitude Towards Slavery" under "Abraham Lincoln's Biography Video."

Julie Roy Jeffrey of Goucher College compares the lifestyle of Mary Todd Lincoln, accustomed to middle-class comfort and entertaining, to that of frontierswomen of the same time period.

To view this clip, select "Mary Todd Lincoln's Frontier Life" under "Abraham Lincoln's Biography Video."

John Mack Faragher of Yale University describes the religious environment in central Illinois during Abraham Lincoln's lifetime, focusing on the importance of church involvement to communities.

To view this clip, select "Lincoln's Religious Beliefs" under "Abraham Lincoln's Biography Video."

Michael Johnson of John Hopkins University considers how Abraham Lincoln should be viewed as a historical figure, as a president, and as a man making difficult decisions.

To view this clip, select "Abraham Lincoln as Historical Figure" under "Abraham Lincoln's Biography Video."

Dianne Swann-Wright, Director of African-American and Special Programs at the Thomas Jefferson Foundation, discusses the columns at Monticello and the life of the slave, Jupiter, who carved them. She also mentions the railings, carved by a slave artisan.

To view this video, select "Scholars," followed by "Dianne Swann-Wright." From there, scroll to the feature, and choose one of the two Windows Media options.

Dianne Swann-Wright, Director of African American and Special Programs at the Thomas Jefferson Foundation, discusses the slave gardens at Monticello, where slaves grew extra food to supplement their rations.

To view this video, select "Scholars," followed by "Dianne Swann-Wright." Choose one of the two Windows Media options.

Historian Mark P. Leone looks at the hoodoo artifacts found at the Annapolis home of Charles Carroll, one of the signers of the Declaration of Independence, and to the coming-together of the lives of the Founding Fathers and their African and African American slaves that the artifacts represent. Leone discusses the significance of the artifacts, as the first discovery of a hoodoo cache in the area, and the later discovery of caches elsewhere dating up to the 1920s.

To view this video, select "Scholars," followed by "Mark P. Leone." Choose one of the two Windows Media options.

Cultural resources manager of the Anacostia Museum Portia James discusses Creole inventor Norbert Rillieux's invention of the vacuum evaporator, a device that increased the efficiency of water evaporation and boosted the growth of the sugar industry.

To view this lecture, select "Scholars," followed by "Portia James." Select one of the Windows Media options.

Historian Carroll Gibbs looks at the relationship of Georgetown University to the Georgetown African-American community, from the school's 1789 founding to the present day. He focuses particularly on the arrival of Patrick Healy, the first head of a U.S. university to be acknowledged as of African descent, in 1873.

To view this video, select "Scholars," followed by "Carroll Gibbs." Choose one of the Windows Media options.

Smithsonian curators Candace Green and Emil Her Many Horses outline the nature of Lakota winter counts, pictorial documents which identified each year by an important event, and discuss what may be learned from these today.