[Pontiac]

Russia and the United States also have several nuclear powered submarines at the bottom of the oceans completer with their reactor cores slowly corroding away.

There are more than a few nuclear warheads down there too.

How many times are we dead now?

[Conan the Librarian]

A good chuck of the desert southwest of the US is naturally radioactive due to exposed uranium. It just sits out on the ground.

Then there is Aberdeen Scotland. The town is built out of radioactive granite. Supposedly, its safe.

The whole Earth is radioactive. Humanity keeps marching on.

As bad as Fukushima was, I worry much more about a asteroid strike or the Sun becoming unstable than that.