What is eldest daughter syndrome? Is it a real condition?

Who plans the agenda for vacations in your family? Who's the first to step up to care for mom and dad or grandma and grandpa? Who's the one organizing family holidays? Chances are if you have an older sister, it's her. And ...

Understanding who commits which crimes

Why do some young men turn to crime, while others don't? An international study shows that preferences such as risk tolerance, impatience and altruism as well as self-control can predict who will commit crime. Risk-tolerant, ...