Introduction
Keyword(s):
Between two and three million years ago, our forebears started to make stone tools. Around one and three-quarter million years before the present, their technology had progressed, and they began to fashion the “prehistoric Swiss Army Knife”—the hand-axe. Our hominin ancestors continued to make further improvements, and even before our own species, ...
Keyword(s):
2006 ◽
Keyword(s):
Keyword(s):
1981 ◽
Vol 16
(1)
◽
pp. 64-69
◽