WELSH scientists are using a tickling machine to help them crack the secrets of a good night's sleep. WELSH scientists are using a tickling machine to help them crack the secrets of a good night's ...

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 ...

There's nothing quite like that yelp of laughter you emit when being tickled. Now, experts have confirmed that shrieks induced by tickling really do sound recognisably different to other types of ...