Posted September 24, 2021Â |Â Â Reviewed by Tyler Woods
It is clear that our hominid ancestors could use simple stone tools. For example, Homo habilis and Homo erectus , who both lived 2 million years ago, used stone axes and hammers. And so could the Neanderthals who lived as recently as 40,000 years ago. But despite small changes in the design of their tools, for millions of years, there was little evidence for generative invention: the ability to invent in multiple ways, not just as a one-off. If we look at non-human species alive today, a lot of animals c
Read More …