SocietyReinventing the World (5)To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoSociety05/06/2017May 6, 2017The 20th century was an era of extremes. The world bore witness to rapid technological progress. But new forms of war also threatened our existence. The question of the century: what does it mean to be human? Scientists still search for an answer.https://p.dw.com/p/2cWIRAdvertisement