The truth about chimpanzees and empathy - and what it tells us about human behaviour / Chimpanzee stem cells offer new insights into early embryonic development / Empathic comforting varies more within bonobo and chimpanzee species than between them / Wild chimpanzees filmed by scientists bonding over alcoholic fruit / Scientists stunned to find chimpanzees sharing boozy treats together in world first / For the first time, wild chimpanzees have been pictured eating and sharing 'boozy' fruit / Gorillas match chimpanzees in self-awareness study / Human influence has led to loss of dialects in chimpanzees, long-term study suggests / Local genetic adaptation to habitat in wild chimpanzees | Science / Wild chimpanzees adapt genetically to different habitats