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Saturday, December 7, 2013

Billions and Billions



I wasn't really a Cosmos fan, but I found Sagan's mind a writings remarkable, if you were a fan you'll probably enjoy this:

http://www.youtube.com/watch?v=HZmafy_v8g8&feature=youtu.be

Magnet school

From Wikipedia, the free encyclopedia https://en.wikipedia.org/wiki/Magnet_sc...