If you think laughter and comedy are reserved strictly for humans, you’d be wrong. A study in the late 1990s showed that ...

One thing we know about tickling: It makes us laugh. But why? And what exactly is it? Is it pain? Pleasure? Aristotle wrote about tickling all the way back in 350 B.C. Darwin did too, in 1872. But, of ...

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 ...