EMERGENCIES: Nuclear weapon. Can you survive..?

Every living being within three hundred meters from the zero point, will evaporate instantly, because for the first thousandth of a second spontaneous fusion of uranium will cause the air around him reach a hundred thousand degrees Celsius. If we are lucky and we find ourselves at a distance of one kilometer or more from the center of the explosion, we have more chance of survival. At the time that you look a light, you have a second to react. If you can, take advantage of coverage that you have a step or less of you.
In any case, thrown on the floor in fetal position, covering your chest with arms crossed and bowed his head, leaving the lower surface of exposed skin as possible. That protects from heat radiation, the most immediate effect of a nuclear attack, which consists of a bunch of photons. Keep the fetal position for ten seconds, try to expel all the air in your lungs and hold their breath (the air will be very hot, and into our lungs would calcine the alveoli, which would die from asphyxiation).
After those ten seconds, arise quickly and seek a hard cover as the temperature increased a lot, the air is prolonged, and trigger the explosion itself (the blast). This wave drag everything caught in its path with great force, and seeking either choose your coverage, and sure that no glass can explode near you (all glass). Tapao good ears, because all this pile of rubble will miss you over at match three.

When the shock wave has passed, turn to hold your breath, because the atmospheric pressure is practically zero (to dilate the air gap is created). Now comes the second part of the shock wave: all the air has moved, has left a vacuum, and cooled again to the environment, will be re-filled. This is, after the explosion, an implosion coming. Another blast as powerful as the first is to come, but this time from the other side.

If you've come this far, congratulations. The hard part is done.

Now get away of point zero. Uranium that has evaporated in the nuclear fusion in microscopic particles will fall on your town a few minutes. For now, our only enemy is the alpha, but this will be on the ground, so wearing a good shoe and trying not to raise dust to walk, avoids it. In any case, it is always a good idea to take a bath as soon as possible, using citric acid or iodine. This will increase our chances of surviving the beta and gamma radiation.

Then go to police stations, barracks, fire stations, and anything capable of hosting weapons. Then seek to forget the food meat and fruit, are likely to be contaminated. Eat only canned, and salt. The salt will retain water, which will create an extra protection against radiation. The higher our body mass, can absorb more radiation.