The "Doomsday Clock" is a symbol of the threat of humanity's imminent destruction from nuclear or biological weapons, climate change and other human-caused disasters. In making their deliberations about how to update the clock's time this year, the Bulletin of the Atomic Scientists considered the current state of nuclear arsenals around the world, the slow and costly recovery from events like the Fukushima nuclear meltdown, and extreme weather events that fit in with a pattern of global warming. Everything is connected and everything is numbered.

Loading more stuff…

Hmm…it looks like things are taking a while to load. Try again?

Loading videos…