You know that feeling when someone you're dating does this one thing that you just can't look past? Here's what scientists say about why we react this way and whether the feeling is reversible.

Many people reported a distortion in their sense of time during the pandemic, but the individual experience is highly dependent on a range of factors from emotional state to culture.

Scientists are trying to understand PTSD and other human disorders by studying emotion-related brain circuits in animals, which research suggests may have a lot in common with the human brain.