Give an orangutan a choice between two places to find a snack, and you’d expect it to pick the one that has offered the best ...

People often say that laughter is the best medicine. While the evolutionary purpose of laughter is still debatable for scientists, it’s not a uniquely human feature. Humans often think of themselves ...

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A new study from Indiana University shows that being in a positive mood leads orangutans to value what they learned more strongly. The study comes from the lab of Erica Cartmill, professor of animal ...

Being in a positive mood leads the primates to value what they learned more strongly, according to the findings.

October 23, 2026 TBS Radio 'Session' BroadcastScreenless Media Lab. aims to rethink audio as a communication medium. This time, we introduce research on 'laughter,' which plays an important role not ...

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 ...

“Animal Joy” is at once prose poem, manifesto, sociological study and therapy session. Poet and psychoanalyst Nuar Alsadir’s first nonfiction book advocates the liberating power of spontaneity, ...

A new study in the journal Bioacoustics found that 65 different species of animals have their own form of laughter. Study co-author Sasha Winkler describes the sounds animals make during play.