Bahia Shehab: A thousand times no

Art historian Bahia Shehab has long been fascinated with the Arabic script for When revolution swept through Egypt in 2011, she began spraying the image in the streets saying no to dictators, no to military rule and no to violence. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world s leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design plus science, busines