How many talks about poverty have you seen where the speaker ends by swallowing a sword? Hans Rosling: New insights on poverty and life around the world
http://www.youtube.com/watch?v=7OMLSs8t1ng
Ted Conferences have some of the most interesting talks I’ve heard. Here is a really thought-provoking one from Sam Harris. http://www.project-reason.org/newsfeed/item/moral_confusion_in_the_name_of_science3/