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

From bonobos and rats to tickling robots, research is finally cracking the secrets of why we’re ticklish, and what that reveals about our brains ...

The mere mention of the word “tickle” can elicit a variety of reactions. For one person, tickling can represent play, while it can be the source of a sexual response for another, and for some, it has ...