Nick Epley was commuting to work at the University of Chicago when he looked across the train and wondered: Why are all these people sitting elbow to elbow ignoring each other? Epley, a professor of ...

Humans have yet to master the delicate art of chitchat. Conversations seem to often run longer or shorter than people would like. People rarely want the exact same things from their conversations.

Whether you’re an introvert or extrovert, social interaction is the key to happiness. Whether it’s a small conversation with your cashier at the grocery store or a long late-night talk with your best ...