• Lines close to your heart make your heart laugh. Then your heart tickles your brain, and it laughs. Then your brain makes you laugh. Nicolas Villegas, grade 2, Glen Acres • Because your skin is ...

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 ...

The way people laugh when tickled is “uniquely different” from other laughter such as when hearing a joke, according to a new study. Researchers at the University of Amsterdam say both machines and ...

"Why do you laugh when you get tickled?" asked Samantha Waitley, 8, a third-grader at Townline Elementary School in Vernon Hills. Tickling is often a way to show affection. Babies and little kids are ...

Does someone tickling you make you break out in laughter? For a lot of people it does. However, researchers have now found that the way we laugh from being tickled is 'uniquely different' from other ...

Apes often make weird sounds when they're tickled, and some researchers now say these pants and hoots truly are related to human laughter. That's the conclusion of a new study in the journal Current ...

In humans, emotions can bias our thinking and decision-making. For instance, depressed or anxious people tend to be more pessimistic than happier people, expecting bad things to happen and paying more ...

If you tickle a young chimp, gorilla or orang-utan, it will hoot, holler and pant in a way that would strongly remind you of human laughter. The sounds are very different. Chimp laughter, for example, ...