Most people don’t consider the possibility that they might not be able to have a child. But for the millions of Americans diagnosed as infertile, a world of difficult choices awaits. Medical procedures that address infertility are expensive, often painful, sometimes dangerous, and don’t guarantee success.
They were the first to brave the unknown.
The unusual life of David Vetter, who lived permanently inside a germ-free environment due to severe combined immunodeficiency.
The first around-the-world air race was sponsored to prove that the airplane had a commercial future.
Major Walter Reed's discovery in 1900 that mosquitoes spread yellow fever halted an outbreak and led to the disease's eventual eradication.
The historic journey of Apollo 8 captivated the world in 1968 -- a bright spot in a year marked by political assassinations, race riots, and the Vietnam War.
The most daring and innovative accomplishment at the turn of the 20th century.
The U.S. and the Soviet Union race to build the hydrogen bomb during the Cold War, thus beginning the nuclear arms race.
Politics, culture, race relations, and technology in a year of change.