Chimpanzees seem to get more technologically advanced through culture

Groups of wild chimpanzees with more complex tool-using behaviours tend to be genetically linked, providing evidence for cumulative culture in other apes

​Groups of wild chimpanzees with more complex tool-using behaviours tend to be genetically linked, providing evidence for cumulative culture in other apes Groups of wild chimpanzees with more complex tool-using behaviours tend to be genetically linked, providing evidence for cumulative culture in other apes