From : CNN

A mushroom-shaped cloud and water column produced from the underwater Baker nuclear explosion of July 25, 1946, in the Marshall Islands.
Growing up in Salt Lake City, Utah, in the 1950s and 60s, Mary Dickson was among the millions of American schoolchildren taught to “duck and cover” in the event of a nuclear war.
More than 2,000 nuclear weapons have been detonated in the past 80 years. Their effects still linger around the world
