At the height of segregation, an unlikely alliance between a black medical genius and a white surgeon led to a pioneering medical breakthrough.
A uniquely impressionistic history of the early years of the Space Race.
In 1960, Francis Gary Powers' U-2 spy plane was shot down over the Soviet Union.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
While the U.N. debated strategies for control of atomic energy, the U.S. Navy was preparing for nuclear tests on Bikini Island.
The Pennsylvania Railroad Company accomplished an enormous engineering feat, but destroyed a great architectural monument.
Robert Noyce's invention of the microchip launched the world into the Information Age.
The impact of tuberculosis in America, once the deadliest killer in human history.