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#SciFi & Cinema: Should Movies include Civilization?: via @YouTube
Interesting look at airplane evolution and the laws of physics via @physorg_com
RT @japi999: Existence (@DavidBrin): "Surviving as a technological civilization is like crossing a vast minefield." #book #quote
Rebooting Civilization: Join @lewis_dartnell on Reddit Ask Me Anything 11amET
Urination duration: Study finds most mammals need about 21 seconds via @physorg_com