Head out on a tour of the castles of medieval Europe and you'll quickly catch on to a castle's three key features. What you see first is the bailey—a large area surrounded by a substantial wall where most of the population lived and most of the life of the community was conducted.
When college students choose a major, they may also be choosing the pool of people from which they’ll find a spouse. Marrying someone with the same major is most common for theology and religion majors—21 percent married someone with the same major. Among science majors, the figure was 18 percent. Most likely to find a mate in the same field are those who represent a gender minority in that field, such as male nurses and female engineers (Wonkblog, Washington Post, July 10).