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A group of super-brains is meeting in England to discuss a possible list for ways the world could come to an end - and are then coming up with solutions to protect us from each scenario. The group includes Stephen Hawking, Martin Rees, Robert May and more.
They believe that natural disasters and problems caused by other humans are the most likely cause of the world ending.
Calling themselves the Cambridge Centre for the Study of Existential Risk, the 27-man team have given themselves the task of the saving the world from possible destruction.
Here are some of scenarios the group has come up with: