Add Yahoo as a preferred source to see more of our stories on Google. When I walk into my laboratory on weekday mornings, it is not unusual to hear uncontrollable shrieks of glee or fits of giggles.

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 ...

How come you can't tickle yourself? And why can some people handle tickling perfectly fine while others scream their heads off? Neuroscientists argue that we should take tickle research more seriously ...

When I walk into my laboratory on weekday mornings, it is not unusual to hear uncontrollable shrieks of glee or fits of giggles. Laughter is not traditionally thought of as the noise of neuroscience, ...