Why the ants would survive a nuclear war

We've been having a b it of an ant problem lately but I think I am winning. I'm killing more of them then they are of us.

Yesterday I found some ants crawling around in the microwave when I needed to use it. But instead of leaning out the ants, I just warmed up the food that I needed to in there. When I opened up the microwave to take out the food, the ants were still crawling around. The microwave did not affect them at all