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 may seem like child's play, but scientists are beginning to see it as something much deeper—a complex puzzle tied to human touch, laughter, and brain development. The sensation of being ...

You might be susceptible to “tickle attacks,” but have you ever wondered why you can’t tickle yourself? SciShow is nominated ...