Professor Rosling from Karolinska Institutet lectures on YouTube about statistical databases, visualization, and our (mis)conceptions about the situation in various countries and continents.
Methods and instructions to create a dual boot box with e.g. Win98 and PuppyLinux on the harddrive, even without CD, USB-stick or boot floppy. Internet connection is needed (to download PuppyLinux) if the machine does not have CD or USB.