10 ways the world could end
How might the human race end? Stephen Petranek lays out 10 terrible options and the science behind them. Will we be wiped out by an asteroid? Eco-collapse? How about a particle collider gone wild?
The unintentional "Dark Futurist" gives us eight new things to worry about, updated for the 2010s. Watch his talk from TEDxMidwest.