The origin of the Acheulian stone technology has long fascinated prehistorians, as the handaxe seems to signify the first tool made with predetermined shape. This proposal seeks funding to investigate the mode, tempo and causes of the Oldowan-Acheulian technology transition, 2.0-1.7 million years ago (Ma), at Gona, Afar, Ethiopia. This time period is immensely important to the study of human origi ...