Humans and Great Apes Share Similar Giggles
A new study published in Communications Biology suggests that human laughter and the giggles of great apes share similar rhythmic patterns. Researchers believe this indicates that the evolutionary roots of laughter date back at least 15 million years to a common ancestor.
Why it matters
The research provides deeper understanding of the evolutionary origins of social communication and emotional expression in primates.
Humans and great apes have been giggling in similar ways since branching off the evolutionary tree, a new study suggests.
The article reports on scientific findings without subjective commentary.
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