How come you can't tickle yourself? And why can some people handle tickling perfectly fine while others scream their heads off? Neuroscientist Konstantina Kilteni from the Donders Institute argues in ...

I have just discovered a profoundly human, evolutionarily crucial fact about the new baby in our house: He likes to be tickled. This isn’t a joke. For centuries, the deepest of thinkers—Aristotle, ...