The second deadly hour examines more threats--both natural and manmade--that may endanger civilization. From the far reaches of space to tiny viruses, doomsday sources are many. But so are technologies used to keep doomsday at bay.
The second deadly hour examines more threats--both natural and manmade--that may endanger civilization. From the far reaches of space to tiny viruses, doomsday sources are many. But so are technologies used to keep doomsday at bay.