How to Survive a Nuclear Attack

Radiation: If you survive the fireball and shock wave, now you have to avoid the radiation. Exposure within three quarters of a mile of that 10-kiloton bomb, Wellerstein shows, will kill up to 90 percent of people without medical treatment. For a quarter-mile past that, your chances of survival increase, but you’ll get third-degree burns, which you probably won’t feel, because the radiation also kills your pain receptors.