It is the spread of the good things that vindicates the whole reason we live our lives in networks. If I was always violent to you or gave you germs,….

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….

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

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 ….

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….

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 ass….

Social networks are these intricate things of beauty, and they're so elaborate and so complex and so ubiquitous that one has to ask what purpose they….

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..

If your friends are obese, your risk of obesity is 45 percent higher. ... If your friend's friends are obese, your risk of obesity is 25 percent high….

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

One reason citizens, politicians and university donors sometimes lack confidence in the social sciences is that social scientists too often miss the ….

It's fashionable to speak about vulnerable populations in medicine and public policy, but it's harder to find a more vulnerable population than those….

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 ….

We are, first of all, not solitary creatures and second of all, we are deeply embedded in the lives of others. It's very easy to forget that and to e….

We will create life from inanimate compounds, and we will find life in space. But the life that should more immediately interest us lies between thes….

We discovered that if your friend's friend's friend gained weight, you gained weight. We discovered that if your friend's friend's friend stopped smo….

Everyday interactions we have with other people are definitely contagious, in terms of happiness..

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….

We cannot understand our humanity just by studying individuals..

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

My entire youth was spent with an incredibly ill parent... I don't think you can grow up that way and not be marked by that experience..