What constrains or enables the capacity of human beings to work in groups is not so much the technology, but rather the capacity of the human brain t…

- Nicholas A. Christakis

I like to have met someone in real life before being their Facebook friend.

- Nicholas A. Christakis

Realizing the ways in which we humans may have been inadvertently changing our genes for millennia provides a way for us to begin to think about the …

- Nicholas A. Christakis

People have just assumed that... if we call our Facebook acquaintances our friends, we must be influenced by them, too. But we're not.

- Nicholas A. Christakis

It used to be thought that our genes were historically immutable and that it was not possible to imagine a conversation between culture and genetics.

- Nicholas A. Christakis

Social media and the Internet haven't changed our capacity for social interaction any more than the Internet has changed our ability to be in love or…

- Nicholas A. Christakis

The social sciences offer equal promise for improving human welfare; our lives can be greatly improved through a deeper understanding of individual a…

- Nicholas A. Christakis

There are very fundamental reasons we live our lives in social networks and if we really understood the role they're playing in our society we would …

- Nicholas A. Christakis

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…

- Nicholas A. Christakis