Using Legos to Explain the World's Toughest Challenge, in the Next Fifty Years

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Dr. Hans Rosling is a legendary TED presenter: He's appeared there a half-dozen times, using stats in ingenious ways to dispel common myths about the developing world. A professor at Karolinska
Institutet in Stockholm, he's got a way of making complex forces intuitive, in stunningly short order, using infographics.

For example, check out this short video, where he uses a few Legos to illustrate the problems of population growth--and the central misconception about the so-called developing...