Stephen Petranek: 10 ways the world could end
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http://www.ted.com 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? TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's lea... Read more
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- -: Stephen Petranek: 10 ways the world could end
October 11, 2007 (over 16 years ago)http://www.ted.com 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? TEDTalks is a daily video podcast of the best talks and performan...
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- -: Peter Ward: Earth's mass extinctions
January 28, 2009 (over 15 years ago)http://www.ted.com Asteroid strikes get all the coverage, but "Medea Hypothesis" author Peter Ward argues that most of Earth's mass extinctions were caused by lowly bacteria. The culprit, a poison called hydrogen sulfide, may have an interesting application in medicine. TEDTalks is a daily video ...
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- -: Phil Plait: How to defend Earth from asteroids
November 21, 2011 (over 12 years ago)http://www.ted.com What's six miles wide and can end civilization in an instant? An asteroid - and there are lots of them out there. With humor and great visuals, Phil Plait enthralls the TEDxBoulder audience with all the ways asteroids can kill, and what we must do to avoid them. TEDTalks is a ...
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Stephen Petranek: Counting Down to Armageddon
February 1, 2002 (over 22 years ago)In this talk, Stephen Petranek counts down ten ways the world might end. This talk is not armageddon hype; these are all possibilities that the Earth may encounter. Stephen stresses that we should study these scenarios and start preparing. He has even formulated solutions to give us a fighting c...
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