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- Scientists Think They’ve Uncovered the 15-Million-Year-Old Origin of Laughter 404 Media
- Rhythm and timing in laughter reveal that human vocal plasticity falls on a hominid continuum | Communications Biology Nature
- Researchers tickle gorillas, other apes and find out they giggle Los Angeles Times
- To Reveal the Rhythmic Roots of Laughter, Just Tickle an Ape The New York Times
- What an ape’s laugh can teach us about human language National Geographic