The impact of tuberculosis in America, once the deadliest killer in human history.
The first around-the-world air race was sponsored to prove that the airplane had a commercial future.
"The Wizard of Menlo Park," Inventor Thomas Edison, built the first practical light bulb and revolutionized the world.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
Politics, culture, race relations, and technology in a year of change.
A gripping tale of medical intervention gone awry, and one of the most barbaric mistakes of modern medicine.
Native Alaskans, oil company representatives, environmentalists, politicians, and others tell the story of the 800-mile pipeline.