Seals were most often made of stone but also sometimes of bone, ivory, faience, glass, metal, wood, or even sun-dried or baked clay. A recessed inscription was carved onto the cylinder, which produced ...

Like cylinder seals, Ferrara explained that proto-cuneiform was used for accounting, though its use is primarily documented in southern Iraq. She said: "The close relationship between ancient ...

Researchers at the University of Bologna claim to have bridged the gap between symbolism and writing, therefore prehistory and history, in a significant study of the evolution of human thought.