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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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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Foxes giggle like children on helium. Laughter is one of the most natural impulses in humans. Most babies start to laugh out loud ...

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

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 ...

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.

“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, ...