It was Bar-Yosef who encouraged Eren to learn flint-knapping skills. In the process, Eren figured out a new method by which to measure how stone tools were resharpened and tested his hypothesis.

Hominins at the site exhibited meticulous planning and efficiency in their manufacturing and resource management strategies.

It was there that he learned flint knapping, the shaping of stone to make tools. The survival expert spends half the month living in the cave During the pandemic Mr Lord decided to teach his ...