Inca society kept records by encoding information into knotted cords called khipu. A new analysis of hair woven into these ...

The Inca Empire in South America was one of the most powerful pre-Columbian societies. It was known for the architecture of ...

The khipu knot-tying system was thought to have only been used by elites, but one artifact suggests commoners, too, knew how to use it ...

The Inca Empire managed vast territories without a written alphabet, relying instead on a mysterious system of knotted ...

What remains of the Inca legacy is limited, as the conquistadors plundered what they could of Inca treasures and in so doing, dismantled the many structures painstakingly built by Inca craftsmen ...

Science | NPR A lock of hair may have just changed what we know about life in the Incan Empire Inca society kept records by encoding information into knotted cords called khipu. A new analysis of ...

The Inca Empire in South America, one of the most powerful pre-Columbian societies, was known for many innovations — such as the architecture of Machu Picchu, an extensive road network, and a ...