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Neil deGrasse Tyson - Called by the Universe - YouTube

https://www.youtube.com/watch?v=xKOoTRE1HUc

Join me on facebook http://www.facebook.com/pages/TheScienceFoundation/277697568961708 A conversation with Neil deGrasse Tyson from http://www.thesciencenetw...
Cosmic Quandaries with Dr. Neil deGrasse Tyson - YouTube

https://www.youtube.com/watch?v=CAD25s53wmE&feature=related

http://www.youtube.com/user/StPetersburgCollege An out of this world event, Cosmic Quandaries, held at The Palladium in St. Petersburg at 7 p.m. on Wednesday...