Six things which might kill us all

Researchers at the University of Oxford have published their annual Global Catastrophic Risks report on threats to the human race, both ongoing and emerging. Here are the main ones:

Pandemic disease: Something as transmissible as flu and as lethal as Ebola would do it

Nuclear war:  A conflict between major powers could kill hundreds of millions, and then more could die if there’s a nuclear winter

Climate change: It could wreak catastrophic changes to the