Norwegian University of Science and Technology
This flaking produced a sharp edge on the core stone as well as on the flakes, either of which could be used as tools, primarily in the form of choppers or scrapers. The use of tools by early humans was partly a process of discovery, partly of evolution. Early humans evolved from a race of foraging hominids which were already bipedal, with a brain mass approximately one third that of modern humans.
- As tools increase in complexity, so does the type of knowledge needed to support them.
- Conspiracy theories spread quickly early on in