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Nicholas Christakis: The hidden influence of social networks


Nicholas Christakis: The hidden influence of social networks
Nicholas Christakis: The hidden influence of social networks
Duration: 18:08

We're all embedded in vast social networks of friends, family, co-workers and more. Nicholas Christakis tracks how a wide variety of traits -- from happiness to obesity -- can spread from person to person, showing how your location in the network might impact your life in ways you don't even know.