Food for thought

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.


More than 40 years ago, Robert F. Kennedy gave a speech warning us about how poorly we measure the success of our nations.  His words are as important today as they were then.