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Titel: Making silent stones speak : human evolution...
Zustand des Schutzumschlags: Dust Jacket Included
New York : Simon & Schuster,1993. Hardcover. Dustjacket. 351 pp. Index. Condition : very good. ISBN 0297814524[KEYWORDS: ARCHEOLOGY, HISTORY, SCIENCE, *. Buchnummer des Verkäufers 14440
Inhaltsangabe: Visiting the prehistoric sites of East Africa the authors of this book taught themselves how to make the same stone tools that the earliest humans had. They were astonished to discover how effective these tools were - they were able to skin and cut up an elephant using only stone flakes a couple of inches long. The authors experiments provide evidence for the idea of early technology and brain evolution being in a positive feedback loop: more technology gives more advantage to bigger brains, which come up with even more technology. They also found that right-handedness can be traced back a far as 1.9 million years ago; this suggests that the left-right brain specialization that gave rise to speech is at least as old.
Inhaltsangabe: In an effort to understand how early humans first made and used stone tools the authors went to the prehistoric sites of East Africa and, combining archaeological research with practical experimentation, learned to make stone tools themselves. In this book they examine the history of prehistoric study and the development of Early Man and stone use, and present the exciting discoveries they made through their own practical experiments. New in paperback for 1995.
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