Jason Reitman's Saturday Night is the perfect combination of Sorkin-style dialogue, goofy gags and nail-biting tension ...

The first kind is the laughter most emblematic of “nervous” or “anxious” laughter, the sort you might engage in as their roller coaster begins its way up the long initial incline of what ...

Laughter can even change the mood, like nervous laughter which cuts through the tension. These extra implications of laughter in humans derive from an entirely different brain system. The original ...