The locavores used to get food taken in a radius of 100 miles.

One of the senior doctors at my hospital, Charlie Safran, and his colleague, Warner Slack, have been saying for decades that the most underutilized resource in all of health care is the patient.

They're used to thinking of themselves as providers, and they can't seem to build the social networks that allow them to get through college.

Wright argues that technology has increased the number of positive sum games that humans tend to be embroiled in, by allowing the trade of goods, services and ideas over longer distances and among larger groups of people.

A Childhood Walk, which is a project where I ask people to remember a walk that they used to take as a child over and over again that was sort of meaningless like on the route to the bus stop, to a neighbor's house, and take it inside of Google Streetview.