If you tickle a rat's belly, it squeals with laughter. However, we are unable to perceive this laughter as its frequency, around 50 kHz, exceeds the range of human hearing. Neuroscientist Jaak ...

Laughter transcends all languages -- and now scientists know this spontaneous response is universal across some primate species, too. The laughing patterns of human infants match those of great apes, ...

This article is republished from The Conversation. Laughter is an everyday reminder that we humans are animals. In fact, when recorded laughter is slowed down, listeners can’t tell whether the sound ...

Don’t try this at home, but tickling a gorilla, orangutan, bonobo or chimp can inspire bursts of grunting sounds. Yes, that’s laughter, says Marina Davila Ross of the University of Portsmouth in ...

Everyone fakes a laugh once in a while – whether it's smarmy politicians, cheesy gameshow hosts or the suckup at work. But is that pseudo snickering really fooling anyone? Turns out it can, but not ...

Fear, surprise, awe. Desire, ecstasy, relief. These emotions are not distinct, but interconnected, across the gradient of human experience. At least that’s what a new paper from researchers at the ...