Articles on Ancient life

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Islands off the coast of Peru are home to millions of seabirds. Their droppings were an important fertiliser for Indigenous people in the Andes. Jo Osborn

How bird poo fuelled the rise of Peru’s powerful Chincha Kingdom

In new research, biochemical analyses align with imagery and historical sources to show how the pre-Inca Chincha society turned guano into a source of power.
Khipu no. 780 at Museo Chileno de Arte Precolombino, Santiago, uses almost 600 cords in complicated arrangements to convey information. Permission to reproduce image provided to the author courtesy of Museo Chileno de Arte Precolombino.

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

A new study reveals the most complex numeric connection ever made between two khipus. It could help lead us to even more clues about ancient Andean society.

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