Archive of del.icio.us links Free University Lectures – LectureFox.Com # physics # chemistry # computer science # mathematics, A list of lectures from some of the top universities from around the world for you to download for free and watch, listen and learn Megastructures: Rungnado May Day Stadium, Pyongyang, Korea – Nature-Blog.Com Rungnado May Day Stadium has 150 000 seats and a total floor space of more than 207 000 [...]