Geoffrey West: The Surprising Math of Cities and Corporations
Physicist Geoffrey West has found that simple, mathematical laws govern the properties of cities -- that wealth, crime rate, walking speed and many other aspects of a city can be deduced from a single number: the city's population. In this mind-bending talk from TEDGlobal he shows how it works and how similar laws hold for organisms and corporations.
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Matthieu Ricard: The Habits of Happiness
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Faith Jegede: What I've Learned From My Autistic Brothers
In this video, Faith Jegede tells the moving and funny story of growing up with her two brothers, both autistic.