You know when you find a funny meme and you want to show someone straight away? Well, apparently chimpanzees get that feeling too. They, like humans, like to show cool things off... just for the sake of it.While studying the Ngogo chimpanzee community in Uganda's Kibale national park, Prof Katie Slocombe and her colleagues made the unexpected discovery. The team captured video footage of an adult female called Fiona grooming a leaf, before holding it out to her mother, Sutherland, who was sittin