thansi-extinction
Saturday, August 16, 2014
"Asteroid Due to Hit in 2880 Can Wipe Out Humanity - chinatopix.com" - these asteroids never lets us take break from work http://goo.gl/crI9Zy
Tuesday, August 12, 2014
bill gates says "There've been five extinction events in Earth’s history. Could human activity lead to a sixth? http://b-gat.es/Wz8wJl" https://twitter.com/BillGates/status/493917647420289025
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