Scientists Think They’ve Uncovered the 15-Million-Year-Old Origin of Laughter - 404 Media

Scientists Think They’ve Uncovered the 15-Million-Year-Old Origin of Laughter  404 MediaRhythm and timing in laughter reveal that human vocal plasticity falls on a hominid continuum | Communications Biology  NatureTo Reveal the Rhythmic Roots of Laughter, Just Tickle an Ape  The New York TimesResearchers tickle gorillas, other apes and find out they giggle  Los Angeles TimesWhat an ape’s laugh can teach us about human language  Nation