Science news articles about 'laughter sounds'

... Davila Ross says. For instance, humans make laughter sounds on the exhale. While chimps do ... common evolutionary origin for tickling-induced laughter in humans and tickling-induced vocalizations in great ...

Human laughter can be traced back 10-16 million years to the last common ancestor of ... of Portsmouth, reconstructed the origins of human laughter by mapping the laughter sounds of great apes and humans ...