the danger of mixing up causality and correlation: ionica smeets at tedxdelft Published 11 years ago • 638K plays • Length 5:57 Download video MP4 Download video MP3 Similar videos 14:50 kan het nieuws volgen dodelijk zijn? 15:25 the beauty of conflict | clair canfield | tedxusu 13:02 the differences between men and women: paul zak at tedxamsterdamwomen