Add Yahoo as a preferred source to see more of our stories on Google. Long before Spanish colonization, the indigenous people of Peru kept track of important dates and numbers, and perhaps even ...

Here’s what you’ll learn when you read this story: The Inca quipu was a complex system of knotted cords, encoded numerical records and possibly even a full logosyllabic language. New research ...

LIMA, Peru — To the casual observer, they appear to be little more than multicolored tangles of arm-length strings. But a growing number of experts believe that “quipus” may hold the secrets of the ...

Before smartphones, spreadsheets, or even written alphabets as we know them, the Inca appear to have managed information in a way that still feels surprisingly advanced. Their system, known as quipu, ...

To the casual observer, they appear to be little more than multicolored tangles of arm-length strings. But a growing number of experts think "quipus" may hold the secrets of the Inca Empire. The Incas ...

SAN ANDRéS DE TUPICOCHA starts every year by swearing in new leaders, like many small towns in Peru. Instead of giving the office-holders a sash or medal it gives them a quipu, a coloured skein of ...

Here’s what you’ll learn when you read this story: The Inca never built a world of silicon chips or copper-wired circuits, and the high-speed hardware of modern times was something they simply didn’t ...