X | Shared With: Everyone - Oct 19 2007 | technology, space, earth, video, science, jiae
Quoted: TED Talks <a href="/speakers/view/id/129" target="_blank">Stephen Petranek</a> reveals the question that occupies scientists at the end of the day (and the beginning of happy hour): How might the world end? He lays out the challenges that face us in the drive to preserve the human race. Will we be wiped out by an asteroid? Eco-collapse? How about a particle accelerator gone wild?
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