Are chimpanzees our early human ancestors? New study unveils tool-making similarities and human evolution |

A recent study has discovered an interesting link between the tool selection behavior of chimpanzees and early human ancestors. Published in the Journal of Human Evolution, the research showed how chimpanzees select stones for nut-cracking tasks: they prefer harder stones as hammers and softer ones as anvils. This practice is similar to that of early human ancestors such as Oldowan hominins,…