Researchers find surprising patterns in Inca khipu, shedding light on these ancient recording devices used for counting and ...

For more than a millennium, many Andean peoples used an object called a "khipu" (also spelled "quipu" and pronounced "key-poo ...

The Incas used mysterious stringy objects called ‘khipus’ to record data. We just got a step closer to understanding them.

Get your Indiana Jones-style fedora ready for a modern-day armchair expedition of places rediscovered after centuries—and ...