An curved arrow pointing right. Signs on building throughout New York City are all that's left of a widespread government effort to shelter millions of people from the fallout of a nuclear attack.

known as nuclear fallout, reached the ground. Exposure to fallout can result in radiation poisoning, which can damage the body's cells and prove fatal. People should ideally look for shelter in ...

known as nuclear fallout, reached the ground. Exposure to fallout can result in radiation poisoning, which can damage the body's cells and prove fatal. People should ideally look for shelter in the ...