A machine designed to create the optimal stimuli for tickling feet could serve as a stress reliever by inducing uncontrolled laughter, say researchers. The device is battery-operated and can be fitted ...

A surprise tickle attack, especially in sensitive areas like the armpits, torso, or soles of the feet, can send most people into uncontrollable laughter as they squirm away, while others might stay ...

Scientists have developed a new method to investigate the long-standing mystery of how tickling works, an advance that could have big implications for our understanding of brain development. Humans ...

In the wonderful world of sexuality, nearly anything is possible. Almost anything can be sexually arousing to someone, somewhere. We’re complex creatures, us humans, and our ability to use our ...

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, ...

In a grey-walled room in the Dutch city of Nijmegen, a strange activity is underfoot. Wearing a cap covered in sensors and positioning themselves into a chair, a person places their bare feet over two ...

Berman is a senior editor at TIME. Berman is a senior editor at TIME. Competitive endurance tickling sounds like a quirky amateur sport dreamed up by either a six-year-old or some college kids with ...

Inside a Berlin neuroscience lab one day last year, Subject 1 sat on a chair with their arms up and their bare toes pointed down. Hiding behind them, with full access to the soles of their feet, was ...