Tickling is a very strange sensation because it doesn't depend on your will. That's right, you don't decide whether or not to ...

Tell a silly joke, sneeze at a rather inopportune moment, remember something that embarrassed a good friend, forget which suit is trump in the card game you’re playing…there are a thousand and one ...

Tickling, a seemingly involuntary reflex, evolved not for humor but for connection. It targets exposed areas, triggering ...