The world's oldest known system of writing was influenced by symbols used for trade — engravings ... marks the transition between prehistory and history, and the findings of this study bridge ...

The symbols showed images of fringed textiles ... without knowledge of the existence of writing — a few times in world ...

Some of the symbols match exactly ... without knowledge of the existence of writing — a few times in world history, Ferrara said. "So, it has long been a question of interest what social ...

A link exists between 6,000-year-old engravings on cylindrical seals used on clay tablets and cuneiform, the world’s oldest writing system, according to new research. CNN values your feedback 1.