Our planet is unique. When are we going to recognize and celebrate this fact? Above, the Southern United States as seen from the International Space Station. NASA hide caption toggle caption NASA Opinion 13.7: Cosmos And Culture What The World Needs Now Is A New Enlightenment July 16, 2014 New human possibilities materialized with the arrival of the the Enlightenment in the 17th and 18th centuries. Commentator Marcelo Gleiser says its time to pick up the banner and move forward again.