Topic
evolutionary biology
Great ape laughter reveals 15-million-year-old roots of human speech
University of Warwick researchers found that rhythmic patterns in great ape laughter provide a vocal fossil for the evolution of human vocal control.
Ape and human laughter study finds shared rhythmic origins in tickle tests
A study of humans and great apes has found that rhythmic laughter is an ancient, shared trait that evolved 15 million years ago. Researchers used tickle-induced vocalizations to uncover the biological roots of our vocal control.