petranek

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    TED video "Stephen Petranek counts down to Armageddon"

    http://www.ted.com/talks/stephen_pet...rmageddon.html
  2. R

    Stephen Petranek counts down to Armageddon

    Stephen Petranek counts down to Armageddon How might the world end? Stephen Petranek 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 collider gone wild? About Stephen Petranek When he was...
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    Stephen Petranek: 10 ways the world could end

    Stephen Petranek: 10 ways the world could end How might the world end? Stephen Petranek 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? youtube.
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