University of California, Berkeley: Dr. Hubert Dreyfus' "Heidegger: Lectures 5 and 6"
Listen to the lectures 5 and 6. In these lectures, Dr. Dreyfus discusses Heidegger's idea of the "worldhood of the world." As you listen to the lecture, pay particular attention to what the world is, according to Heidegger. What makes the world the world?
Click https://archive.org/details/Philosophy_185_Fall_2007_UC_Berkeley link to open resource.