Health News Chimpanzees start using a new tool-use gesture during an alpha male takeover: Chimpanzee pant hoots are longer and more salient when males combine it with the ‘leaf clip’ gesture 06/28/2018 Similar to humans, non-human primates combine gestures, facial expressions, and vocalizations in various ways to communicate effectively. Researchers of the Max Planck Institute for Evolutionary Anthropology investigated one Read More