If watching Robert De Niro ordering hammer-based retribution on a cheat's hand in "Casino" instinctively made you wince, you are not alone. Many people say that seeing bodily injury on film makes them ...

Add Yahoo as a preferred source to see more of our stories on Google. Psychologists say there's a few reasons why we love to watching people — both strangers and loved ones alike — open gifts. (Getty ...

There's a particular kind of stillness that comes over people when they witness someone doing something almost imperceptibly right. It's not about grand gestures or obvious displays of refinement.

There have been quite a few controversial internet video trends over the years. Psychological research can help us understand why some people enjoy watching things that others may find anything from ...