It is well to look around at whom, and not just what, surrounds us. Population structure will change everything. Our health, wealth, and peace depend on it. Nicholas A. Christakis changedependhealth Change image and share on social
We and others have done a bunch of work to show that if your real friends online say or do something, it affects you. But if your acquaintances online say or do something, it does not. People on average have about 106 Facebook friends, but only 5 or 6 real friends. Nicholas A. Christakis acquaintanceaffectaverage share on social
The reason we form networks is because the benefits of a connected life outweigh the costs. It's to our advantage as individuals and a species to assemble ourselves in this fashion. Nicholas A. Christakis advantageassemblebenefit Change image and share on social
I like to have met someone in real life before being their Facebook friend. Nicholas A. Christakis facebookfriendlife Change image and share on social
One reason citizens, politicians and university donors sometimes lack confidence in the social sciences is that social scientists too often miss the chance to declare victory and move on to new frontiers. Nicholas A. Christakis chancecitizenconfidence share on social
It is time to create new social science departments that reflect the breadth and complexity of the problems we face as well as the novelty of 21st-century science. These would include departments of biosocial science, network science, neuroeconomics, behavioral genetics and computational social science. Nicholas A. Christakis 21stbehavioralbiosocial share on social