Before boarding a flight to South Africa in 2013, Justine Sacco sent a sardonic joke to her 170 Twitter followers: “Going to Africa. Hope I don’t get AIDS. Just kidding—I’m white!” By the time her ...

While it may seem that some people have their act together, deep down, everyone is insecure about something. Some people might be more readily willing to admit to the feeling of inadequacy or unsure ...

The Harvard psychologist on unwritten rules, social contracts, shared logic – and what happens when they fall apart Knots, RD Laing’s 1970 book, was a collection of short dialogues illustrating the ...

In a new book, the Harvard psychologist Steven Pinker argues that an awareness that everyone knows what you know is a powerful driver of human social life. By Dennis Duncan Dennis Duncan teaches ...