Village authorities insisted on handling the khipus without gloves to feel the fibre differences. (Credit: William Hyland) Two vibrant bundles of string, over 10,000 feet high in the Peruvian Andes, ...
LIMA, Peru — In a dry canyon strewn with the ruins of a long-dead city, archaeologists have made a discovery they hope will help unravel one of the most tenacious mysteries of ancient Peru: how to ...