- Humans and Great Apes Share Similar Giggles Asharq Al-Awsat | Explore World News Today
- Get a load of this: Humans and great apes share similar giggles Toronto Star
- Tickled Apes Reveal the Rhythmic Roots of Laughter The New York Times
- Orangutans, Gorillas, Chimps, And Bonobos All Laugh Just Like Humans. That Means We’ve Been Chuckling This Way For 15 Million Years IFLScience
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