Science NASA Hosts Conference All About Looking For Signs Of Civilization Beyond Earth 8:34pm September 27, 2018 Space Science Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2018 NPR. To see more, visit http://www.npr.org/. 300x250 Ad More All Things Considered Human Interest How the war on drugs helped stock our grocery store shelves by Erika Beras National Hundreds of scholars say U.S. is swiftly heading toward authoritarianism 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate
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