The Personal Root of Lincoln’s Anti-Slavery Stance

Famous for his anti-slavery stance, Abraham Lincoln's political position may have been rooted in the trials and tribulations of his youth. (2:01)

Latest Videos

Preview thumbnail for video'Take a Trip to Glacier National Park
Take a Trip to Glacier National Park (3:16)
Preview thumbnail for video'The Volcanoes of Hawaii
The Volcanoes of Hawaii (2:25)
Preview thumbnail for video'What Is Volcano Breath?
What Is Volcano Breath? (11:50)
Preview thumbnail for video'The Future of Climate Change Is in the Past
The Future of Climate Change Is in the Past (16:18)
Preview thumbnail for video'Exploring the Sun
Exploring the Sun (17:54)
Preview thumbnail for video'The Technology Behind Understanding How Our Brains Work
The Technology Behind Understanding How Our Brains Work (13:02)
Preview thumbnail for video'Smithsonian's
Smithsonian's "The Future Is Here" Event (0:31)
Preview thumbnail for video'Digitizing a Fossil Whale Graveyard
Digitizing a Fossil Whale Graveyard (16:05)
Preview thumbnail for video'How to Measure Forest Height and Biomass From Space
How to Measure Forest Height and Biomass From Space (8:36)