From TED: On a reporting trip, jour­nalist Jean-Paul Mari had a face-to-face encounter with a sense­less, random death, begin­ning his acquain­tance with a phantom that has haunted us since ancient times: post-trau­matic stress. “What is this thing that can kill you without leaving any visible scars?” Mari asks. In this probing talk, he searches for answers in the after­math of horror and trauma — and comes to a very human conclu­sion: we must talk. · Go to Jean-Paul Mari: The chilling after­shock of a brush with death →