Researchers discover surprising similarity in how humans and great apes giggle — reflecting ties to common ancestors: study

Researchers have found a striking similarity in the way humans and great apes giggle, revealing a deep evolutionary connection that dates back 15 million years. This discovery, made by primatologist Chiara De Gregorio, suggests that our laughter has roots shared with our common ancestors. Such findings not only deepen our understanding of human evolution but also highlight the complex social behaviors that bind us to other great apes, underscoring the intricate web of relationships in the animal kingdom.