When we're talking to another person, we probably wouldn't leave without saying goodbye; that would just be impolite. Apes seem to do something similar, researchers report in a study publishing August ...

There’s an old joke about relationships, which says that the difference between involvement and commitment is like the difference between eggs and bacon: The chicken was involved; the pig was ...

North Carolina lawmakers are now taking a closer look at how people with mental health issues can be involuntarily committed for treatment in the wake of a new law they passed — in September.