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national | news | Google News: U.S. | June 25, 2026 3:46 PM
Oo oo, ha ha: why humans and great apes giggle alike when tickled
Oo oo, ha ha: why humans and great apes giggle alike when tickled Nature Rhythm and timing in laughter reveal that human vocal plasticity falls on a hominid continuum | Communications Biology Nature Humans and apes have shared a laugh for 15 million years, says study France 24
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