Dangerous memes | Dan Dennett

Starting with the simple tale of an ant, philosopher Dan Dennett unleashes a devastating salvo of ideas, making a powerful case for the existence of memes -- concepts that are literally alive. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world’s leading thinkers and doers are invited to give the talk of their lives in 18 minutes -- including speakers such as Jill Bolte Taylor, Sir Ken Robinson, Hans Rosling, Al Gore and Arthur