Donald J. Trump was sworn in on Monday as the 47th president of the United States. What does this transition in leadership mean to you? By Natalie Proulx The Times asked 35 experts to share one ...

So what is a trait? In short, it’s a relatively stable way of thinking and behaving that can be used to describe a person and compare and contrast that person with others. Traits can be cast in ...

Microexpressions (brief displays of emotion on the face), hand gestures, and posture all register in the human brain almost immediately—even when a person is not consciously aware they have ...