Sticks and Stones: Prehistory ... The Learning Activities will examine the progressively more sophisticated stone-age technologies of the hand-ax, ... As a result of activities in grades 9-12, ...

Ancient wooden tools found at a site in Gantangqing in southwestern China are approximately 300,000 years old, new dating has ...

Tom Lichtenheld has brought life to many a picture book, transforming even the briefest of texts into engaging stories for the very young.