RT @sciam: Intelligent aliens may know about us well before we find out about them https://t.co/MWBQ2hDdBq https://t.co/SJlXyXaSzK http://ow.ly/i/BN31D
RT @sciam: Intelligent aliens may know a
RT @sciam: Intelligent aliens may know about us well before we find out about them https://t.co/MWBQ2hDdBq https://t.co/SJlXyXaSzK http://ow.ly/i/BN31D
1 minute
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