Could your laugh be a 15-million-year-old echo that helped shape human speech? Great ape laughter offers surprising clues

Your laughter might be older than you think! A new study reveals that the rhythmic pattern of human laughter has remained consistent for at least 15 million years, shared with our great ape relatives. This ancient vocal structure, found in chimpanzees, gorillas, and orangutans, offers a unique glimpse into the evolutionary journey that paved the way for human speech.

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