Technology refers to any set of standardised procedures for transforming raw materials into finished products. Innovation consists of any change in technology w

Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typ

The first look at the prehistory of Texas by 16 professional archaeologist.

During virtually the entire four-million-year history of our habitation on this planet, humans have been hunters and gatherers, dependent for nourishment on the