Can we recreate life on Earth after a mass extinction? And if we could, do we really want to?

Can we destroy the world with nukes? It depends on who you ask and what kinds of warheads and damage they include in their calculations...

People hate dying in a cataclysm. But they also like the idea of living at the end of history as they know it.

The universe can kill you in a lot of ways. And all of them are amazingly entertaining...