Hans Rosling's 200 Countries, 200 Years, 4 Minutes - The Joy of Stats - BBC Four
30 November 2010
Ich mag ein YouTube-Video.: More about this programme: http://www.bbc.co.uk/programmes/b00wgq0l Hans Rosling's famous lectures combine enormous quantities of public data with a sport's commentator's style to reveal the story of the world's past, present and future developme...