Janice Jones-Thomson looks back on the lobotomy done to her mother, Beulah Jones.
Equipment failure, human error and bad luck led to the country's worst nuclear accident in 1979.
The unusual life of David Vetter, who lived permanently inside a germ-free environment due to severe combined immunodeficiency.
The most daring and innovative accomplishment at the turn of the 20th century.
Though first seen only as an expensive luxury, Alexander Graham Bell's telephone soon transformed American life and became a necessity.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
Robert Moses fueled some of the most ambitious -- and controversial -- public works projects ever conceived.
The worst epidemic in American history killed over 600,000 Americans during World War I.
Engineered by William Barclay Parsons, the 21-mile, four-track route of the New York City Subway was the largest public works project in history.