Introduced in 1971, the microprocessor is basically the fundamental driving force and brain of all of the digital equipment we use today -- from iPhones and computers to notebooks and tablets.
Cuba's Communist leader defied the odds, surviving his Soviet benefactors, the wrath of U.S. presidents, two diplomatic crises and assassination attempts.
Though first seen only as an expensive luxury, Alexander Graham Bell's telephone soon transformed American life and became a necessity.
The evocative stories of teenage hoboes crisscrossing America on trains during the Great Depression.
"The Wizard of Menlo Park," Inventor Thomas Edison, built the first practical light bulb and revolutionized the world.
French settlers in Louisiana merged with African Americans, Afro-Caribbeans and others to create Cajun and Zydeco musical traditions.
A president who rose from a broken childhood to become one of the most successful politicians in modern American history, and one of the most complex and conflicted characters to ever stride across the public stage.
A daunting story of shipwreck, starvation, mutiny and cannibalism amongst a group left abandoned in the high Arctic.
The unusual life of David Vetter, who lived permanently inside a germ-free environment due to severe combined immunodeficiency.