It is time that we understood the hidden meaning behind a baby’s screeching laughter when the ‘tickle monster’ approaches. There is almost nothing as precious as a toddler bursting in peals of ...

Laughter doesn’t always signal enjoyment, and “stop” should mean “stop.” By Jenny Marder When she was a young child, Ashley Austrew’s father would hold her down and tickle her so hard she felt ...

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, ...