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 ...

I ask you: is there anything more terrifying than Elmo? My 4 year old cousin has no fewer than three Elmos that do nothing but sing, dance, and plot world domination . The latest Elmo toy to make your ...

Socrates wondered 2,000 years ago, and Charles Darwin also racked his brains: what is a tickle, and why are we so sensitive to tickling? ‘Tickling is relatively under-researched,’ says neuroscientist ...